The present invention relates to the technical field of tunnel rockburst microseismic monitoring, and provides a strain-structural plane slip-type rockburst failure mechanism analysis method for a drill-and-blast method tunnel. The present invention collects strain-structural plane slip-type rockburst microseismic data during tunnel construction; in light of engineering geological survey data, performs microseismic monitoring and data analysis on strain-structural plane slip-type rockburst that has occurred in a tunnel, divides a strain-structural plane slip-type rockburst risk area, and determines a microseismic rockburst early warning area; and, by means of these data, deeply understands a microseismic activity law of strain-structural plane slip-type rockburst of deep-buried drill-and-blast method tunnels, discriminates respective functions of tensioning and shearing in rock failure processes, comprehensively analyzes the failure mechanism of strain-structural plane slip-type rockburst, and further obtains the failure mechanism of strain-structural plane slip-type rockburst of the deep-buried drill-and-blast method tunnels, providing an important theoretical basis for predicting and preventing rockburst disasters.
A preparation method and an application of a rosin thiourea imidazole quaternary ammonium salt, belonging to the technical field of microbioligically influenced corrosion and protection. In order to find a green and environmentally friendly quaternary ammonium salt having both bactericidal and anti-corrosion effects, the present invention utilizes the natural chiral environment (hydrophobic) of rosin, and, by means of connecting a fat chain containing a thiourea unit with an imidazole quaternary ammonium salt unit (hydrophilic), further prepares the green and environmentally friendly rosin thiourea imidazole quaternary ammonium salt. Through electrochemical analysis, corrosion morphology characterization, corrosion weight loss analysis, and live and dead cell characterization, a rosin thiourea imidazole quaternary ammonium salt is obtained, which can reduce metal corrosion current density, reduce biofilm thickness, and achieve the effect of inhibiting microbiologically influenced corrosion. The rosin thiourea imidazole quaternary ammonium salt obtained by the present invention has a broad antibacterial spectrum, and has a significant inhibitory effect on both Gram-negative bacteria and Gram-positive bacteria at a mass concentration of 0.05 g/L. Moreover, the preparation method is simple, economical and efficient, cheap and easy to obtain, and suitable for large-scale production.
C07D 233/61 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with hydrocarbon radicals, substituted by nitrogen atoms not forming part of a nitro radical, attached to ring nitrogen atoms
The present invention belongs to the technical field of high-purity quartz processing and discloses a method for removing impurities from quartz inclusions by hydrothermal denudation combined with acid leaching. Gas-liquid inclusions on the surface of quartz sand are destroyed by hydrothermal reaction of quartz sand and calcium oxide, and xonotlite produced by the reaction is removed with dilute nitric acid and sodium carbonate solution; and then impurities dissolved in acid and excess acid solution are removed by acid leaching, cleaning and filtering to obtain pure quartz sand. The technology destroys the gas-liquid inclusions by the hydrothermal method and avoids the use of hydrofluoric acid in the acid leaching process, which can effectively reduce the environmental pollution caused by the acid leaching process, exhibiting excellent industrial application potential.
PANGANG GROUP XICHANG STEEL&VANADIUM CO. LTD (China)
NORTHEASTERN UNIVERSITY (China)
Inventor
Huang, Yun
Huang, Zhiquan
Chu, Mansheng
Gan, Xian
Lu, Shufang
Tang, Jue
Abstract
The present invention relates to the technical field of non-blast furnace low-carbon metallurgy, and relates to a zero-oxygen injection low-carbon ironmaking method. The method comprises: loading hot-state self-fluxing oxidized pellets into a gas-based shaft furnace from the top of the furnace, injecting cold reducing gas into the gas-based shaft furnace from the bottom of the gas-based shaft furnace, and meanwhile, injecting hot reducing gas into the gas-based shaft furnace from the junction of a reducing section and a cooling section of the gas-based shaft furnace, wherein the cold reducing gas is heated in the rising process and mixed with the hot reducing gas, then the mixed gas undergoes a pre-reduction reaction with the self-fluxing oxidized pellets to obtain hot-state direct reduced iron, and the hot-state direct reduced iron is cooled by the cold reducing gas in the cooling section to obtain direct reduced iron; and loading a solid carbon material and the direct reduced iron into a zero-oxygen injection furnace from the top of the furnace, injecting superhot reducing gas into the zero-oxygen injection furnace, and the direct reduced iron undergoing reduction melting to obtain liquid slag and molten iron. The present invention reduces gas heating energy consumption, and significantly reduces carbon emission compared with a blast furnace.
The invention provides a prediction method for critical vibration speed of a six-high cold rolling mill based on a three-dimensional model. The critical vibration speed is predicted based on a three-dimensional six-high cold rolling mill model, under the consideration that the rolls shall be considered as short and thick beams and influence of shear deformation needs to be considered, Timoshenko beams are selected, and besides, Hermite interpolation is used for node displacement vectors; a vertical vibration dynamic equation of the mill-strip system can be established by stress analysis among the strip, rolls and mill housing; solving is performed by the Newmark-Beta method, a displacement response curve of the rolls at a specific speed can be obtained, and if the amplitude of displacement response curve is constant, the speed is the critical vibration speed of the six-high rolling mill.
Provided is a method for detecting abnormal working conditions of multi-view data based on feature regression. By the method, data capable of being acquired in a production process is collected together, a big data pool is established, and historical data information is fully utilized; by analyzing the data in the data pool, the method for detecting abnormal working conditions based on the multi-view data is established by a feature regression method, and a general mathematical model is established for preprocessed data acquired by different sensors; left and right projection vectors solved through the model can make similar sample points have better clustering effects in a low dimensional space; and by comparing a correlation between vectors after dimensionality reduction and various category vectors, production working conditions at a current time can be recognized.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
7.
Three-dimensional loading structure of ultra-large physical simulation facility for deep engineering disasters
Provided is a three-dimensional loading structure of an ultra-large physical simulation facility for deep engineering disasters. The three-dimensional loading structure comprises a horizontal ultra-large reaction frame, a vertical ultra-large reaction frame, ultra-long stroke lifting and locking hydraulic cylinders, five array distributed hydraulic actuator groups and a linear distributed hydraulic actuator group, wherein the horizontal ultra-large reaction frame adopts a frame structure being formed by splicing eight segments of arch beams, circular in an outer part and square in an inner part, and wrapped with prestressed carbon fibers, and the vertical ultra-large reaction frame adopts a double-beam four-column preload frame structure; the five array distributed hydraulic actuator groups are distributed around the horizontal ultra-large reaction frame and at a top of the vertical ultra-large reaction frame, and the linear distributed hydraulic actuator group is located at a center of a bottom of the vertical ultra-large reaction frame.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
G06F 30/13 - Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
8.
SAMPLE BOX LOADING, UNLOADING AND STORING CART FOR TRUE-TRIAXIAL ROCK TESTING INSTRUMENT
The present invention relates to the technical field of true-triaxial testing of rocks, and specifically relates to a sample box loading, unloading and storing cart for a true-triaxial rock testing instrument. The cart comprises a cart supporting frame. The cart supporting frame is fixed to a lower cart platform. Cart movement wheels and cart supporting legs are disposed at four corners at the bottom of the lower cart platform, a cart handrail is fixed to the front end of the lower cart platform, and a power distribution box and an operation console are provided on the lower cart platform. A cart connecting plate is provided above the cart supporting frame. The cart connecting plate is slidably connected to an upper cart platform by means of a transverse electric movement apparatus. The upper cart platform is slidably connected to a lifting apparatus supporting plate by means of a longitudinal electric movement apparatus. Electric push rods are fixed to four corners of an upper portion of the lifting apparatus supporting plate, and an upper counterweight box is provided on the lifting apparatus supporting plate. A sample box gripper is provided above the electric push rods, and a fixing plate is provided above the sample box gripper. The present invention achieves precise rigid lifting, eliminates shaking during loading and unloading processes using overhead cranes, and prevents collisions between devices.
B62B 3/04 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor involving means for grappling or securing in place objects to be carriedLoad handling equipment
B62B 5/04 - Braking mechanismsLocking devices against movement
9.
ACTION DATA RECONSTRUCTION METHOD AND SYSTEM, DEVICE AND MEDIUM
The present application belongs to the technical field of action data reconstruction, and provides an action data reconstruction method and system, a device and a medium. The method comprises: acquiring initial action data of a target subject, the initial action data having a first degree of freedom, and the first degree of freedom being less than the actual degree of freedom of the target subject; acquiring a preset target measurement matrix, the target measurement matrix being obtained by iteratively updating residuals calculated in advance on the basis of reference action data and sample action data, the reference action data having a second degree of freedom, the second degree of freedom being determined on the basis of the actual degree of freedom of the target subject, and the second degree of freedom being greater than the first degree of freedom; and, on the basis of the target measurement matrix, performing data reconstruction on the initial action data, so as to obtain target reconstructed data of the target subject, the target reconstructed data having a third degree of freedom, and the third degree of freedom corresponding to the second degree of freedom. By means of compressed sensing, the present application reconstructs initial action data to data having a high degree of freedom, thus improving the accuracy of action data.
A fracturing effect determination method for phase transition fracturing deep rock, comprising: obtaining initial data of a true triaxial rock of a fracture hole; fracturing true triaxial rock and obtaining acoustic emission information in the fracturing process; obtaining test data of the true triaxial rock after fracturing; inputting initial data and test data into a preset formula to generate test data; determining quantitative data of fracturing according to acoustic emission information and test data and determining the fracturing effect of true triaxial rock according to the quantitative data of fracturing. The method is implemented using a device comprising a carbon dioxide fracturing device, a true triaxial loading device, a fracturing starter, a storage tank, and a liquid filling device. The device is configured to achieve the quantitative optimization effect of the technical parameters required for the prevention and control measures of energy release in deep engineering rock mass
An asymmetric high stress tunnel rock burst micro-seismic sensor arrangement method, relating to the technical field of tunnel engineering. On the basis of tunnel surrounding rock geological data, three-dimensional numerical simulation is carried out for asymmetric high stress tunnel stability on the basis of asymmetric in-situ rock geo-stress distribution and tunnel section geometric characteristics, and asymmetric high stress tunnel energy is calculated; the location of a rock burst risk area is determined; micro-seismic sensors are arranged in front of and behind a stress concentration area; the area at a high risk and nearby areas thereof are always incorporated in two micro-seismic sensor arrays arranged in front of and behind a tunnel face. The micro-seismic sensors work cooperatively and are staggered in space, the mounting and arrangement of the micro-seismic sensors changes forwards and backwards along with the stress concentration area, and the micro-seismic sensors always keep a certain distance range with the stress area. The tunnel stress concentration area and more nearby effective micro-crack source signals can be captured by the micro-seismic sensors, thereby improving the precision of locating a micro-seismic source and laying a foundation for accurate prediction and forecast of deep-buried hard rock tunnel disasters.
A method and a device for measuring a temperature of a wire rod, a storage medium, and a computer device are disclosed. The method includes: determining an effective temperature measurement area according to the infrared thermal image and feature information of the wire rod; projecting preset light onto the wire rod geometric model, tracing a light propagation path of the preset light, and calculating an effective emissivity based on a tracing result of the light propagation path; and correcting temperature measurements in the effective temperature measurement area based on the effective emissivity to obtain a corrected temperature measurement result. The infrared thermal image is acquired, and is analyzed by image processing, thereby dynamically capturing the effective temperature measurement area. The effective emissivity between wire rods is calculated, and then the measured temperature of the wire rod is corrected, thereby improving the accuracy and stability of temperature measurement on wire rods.
The present application discloses a convex lens-shaped narrow face copper plate for continuous casting molds and its utilization method. The narrow face copper plate includes a first hot face and a second hot face. A first connecting line being provided at a joint of the first hot face and the second hot face, and two such first connecting lines being provided. A cross section of the first hot face is a convex arc, and the first hot face extends from an top of the narrow face copper plate to a bottom of the narrow face copper plate, and a height of the first hot face protruding relative to a plane where the two first connecting lines are located gradually decreases from the top of the narrow face copper plate to the bottom of the narrow face copper plate.
A temperature measurement method and apparatus for a steel wire rod, and a storage medium and a computer device. The method comprises: acquiring in real time an infrared thermal image of a steel wire rod to be subjected to temperature measurement (101); determining an effective temperature measurement area on the basis of the infrared thermal image and feature information of said steel wire rod (102); constructing a steel wire rod geometric model of said steel wire rod, projecting a preset light ray to the steel wire rod geometric model and tracking a light-ray propagation path of the preset light ray, and calculating an effective emissivity on the basis of a tracking result of the light-ray propagation path (103); and on the basis of the effective emissivity, correcting a measured temperature value of the effective temperature measurement area, so as to obtain a corrected temperature measurement result (104). By means of acquiring an infrared thermal image and using an image processing method to analyze the infrared thermal image, dynamic capturing of an effective temperature measurement area is realized; and by means of calculating an effective emissivity between steel wire rods and then correcting measured temperatures of the steel wire rods, the accuracy and stability during temperature measurement of the steel wire rods are improved.
Provided is an ultra-large physical simulation facility for deep engineering disasters, including a long-time large-load loading system for a geological model, a 3D printing system of a deep oil, gas and water multiphase multi-component complex geological body model, a high-temperature-chemical-multiphase fluid collaborative injection, monitoring and control system, a robot excavation and monitoring system for a complex engineering structure in a model under deep geological environment, an intelligent ventilation system for a deep metal mine complex drilling, mining and transferring network, an intelligent filling system for a deep metal mine ultra-large stope, a deep-well enhanced geothermal safe intelligent mining system, an all-spatial-temporal intelligent high-precision monitoring system for an excavation and fracture process of a large-scale geological model, and an ultra-large multi-task intelligent collaborative main control and digital twin system for physical simulation tests.
G01M 99/00 - Subject matter not provided for in other groups of this subclass
G09B 23/40 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes for geology
H04L 69/165 - Combined use of TCP and UDP protocolsImplementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] selection criteria therefor
16.
INTELLIGENT RECOGNITION DEVICE FOR TUNNEL RUPTURE AND DEFORMATION AND GEOLOGICAL INFORMATION BASED ON BOREHOLE IMAGING
An intelligent recognition device for tunnel rupture and deformation and geological information based on borehole imaging, relating to the technical field of geological information survey. The device comprises an intelligent imaging probe and an intelligent imaging main unit, and the intelligent imaging probe is connected to the intelligent imaging main unit by means of a video cable. The intelligent imaging probe comprises a main body frame, a hole wall rock image acquisition module, a hole wall rock lithology recognition module, a structural plane characteristic extraction and calculation module, an infrared laser scanning and distance measuring module, an image signal transmission module and a video signal transmission module, and the intelligent imaging main unit comprises a main body frame, an image signal receiving module, a video signal receiving module, a data storage module, a data transmission module, a battery and a control module. The device can simultaneously monitor tunnel rupture and deformation conditions, and intelligently recognize the lithology and structural plane characteristics of hole wall rock, thereby saving a large amount of time for operators.
A testing device for mechanical properties of a spray anchor net support system, comprising a main frame (100), a lifting and transporting mechanism (200), a mechanical testing mechanism, a testing platform (500), and a monitoring mechanism (600). The lifting and transporting mechanism (200) is arranged on the main frame (100); the testing platform (500) comprises a mold set and a support assembly to be tested (530); the mold set is movably arranged on the main frame (100), and said support assembly (530) is arranged at the bottom end of the mold set; the mechanical testing mechanism is arranged corresponding to said support assembly (530) and is used for implementing a dynamic impact property test or a static mechanical property test on said support assembly (530); and the monitoring mechanism (600) is communicatively connected to the testing platform (500). The present invention further relates to a testing method for dynamic impact properties of a spray anchor net support system and a testing method for static mechanical properties of a spray anchor net support system.
The present invention relates to the technical field of underground engineering rockburst prevention and control safety. Provided is a quantitative design method for rockburst energy absorption prevention and control. The method comprises: firstly, establishing an underground-engineering finite-element numerical calculation model, and performing underground-engineering excavation simulation calculation; delineating the location and range of rockburst damage and a rockburst pit depth according to an LERR value, and providing the amount of released energy at different positions during a rockburst; then, determining the location, trend and inclination angle of a structural plane; and then, determining the design length of a free section of each energy absorption anchor bolt, and determining an optimal length of each single energy absorption anchor bolt in combination with a design anchoring force of the anchor bolt; then, calculating ejection kinetic energy of rockburst rocks; and finally, determining the length of an anchoring section of each energy absorption anchor bolt, the total length of each anchor bolt, and the number of anchor bolts, such that the total energy absorption capacity of all the energy absorption anchor bolts is greater than the ejection kinetic energy when a rockburst occurs. The method provides a quantitative design method and process for energy absorption anchor bolts, and provides a design basis for scientific design of rockburst energy absorption prevention and control.
The present invention relates to the technical field of energy saving and carbon reduction of iron and steel enterprises. Disclosed are an iron and steel product carbon footprint management method and management system based on life cycle assessment. Aiming at an iron and steel enterprise with the characteristic of a blast furnace-converter long process, the present invention establishes an iron and steel product carbon footprint calculation model, an iron and steel product carbon footprint prediction model and an iron and steel product carbon footprint optimization model at a production device level by relying on the conversion relationship and the flow relationship of a substance flow and an energy flow in an iron and steel product production process during carbon footprint management. A plurality of carbon footprint management methods such as carbon footprint calculation, analysis, prediction and optimization are realized in view of the characteristic of path diversity in the iron and steel product production process, and a carbon footprint management system is formed on this basis. The carbon footprint management method overcomes the defect whereby existing carbon footprint management methods only analyze carbon footprints from the perspective of result comparison, and realizes targeted, interlocked and systematic carbon footprint management during the life cycle of an iron and steel product.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
A mechanical continuous mining device integrating microwaves and cutter heads, and a use method are provided. The mechanical continuous mining device comprises an equipment platform, a cutter head cutting system, a microwave fracturing system, a loading device and a cantilever crane. The microwave fracturing system and the cutter head cutting system are fixed to the equipment platform, and the loading device and the cantilever crane are mounted at a front end of the equipment platform. A microwave mechanical longwall mining method for a metallic ore is provided. Microwaves move in sync with machines to break a rock, microwave fracturing methods comprise high-power microwave integral fracturing and local rapid fracturing of soft microwave coaxial lines in the cutter heads; and a lateral cutting method of an ore body by a cutter head technology is applied, a mechanical rock breaking principle is changed from previous extrusion breaking to tension breaking.
Disclosed are a borehole fracture-deformation-wave velocity integrated intelligent sensing apparatus and method for an engineering rock mass. The apparatus includes an in-hole monitoring execution unit and an out-hole monitoring unit which are connected by a cable; the in-hole monitoring execution unit includes a hole-diameter-adaptive crawling robot and a combined multifunctional probe assembly; the probe assembly includes a high-definition wide-angle camera, a laser radar probe, and an acoustic transceiver probe, and all the probes may be freely combined; the hole-diameter-adaptive crawling robot is of a waterproof sealed shell structure and is capable of charging a pressure inside to realize leakage detection, and the hole-diameter-adaptive crawling robot adopts lift-type electric crawler walking mechanisms capable of automatically adjusting a supporting force to avoid sliding. The apparatus can be used for intelligent long-term monitoring of borehole fracture, deformation and wave velocity.
Provided are an offshore floating light energy storage integrated charging station system and an operation control method thereof. The system includes a triangular floating floater structure, a control unit mounted on the floating floater structure, an energy storage tank arranged on the floating floater structure, an energy storage unit mounted in the energy storage tank, and a photovoltaic electricity generation unit paved on the energy storage tank. A battery pack in the energy storage tank on each triangular floater is one energy storage unit. The energy storage unit can independently supply electricity or charge the vessels when the photovoltaic electricity generation unit does not generate electricity and the state of charge of the energy storage unit is sufficient. The energy storage unit are controlled to switch between four control modes according to the system's needs to ensure stable operation of the system.
Disclosed is a microwave-disc cutter integrated mechanical continuous mining apparatus, which comprises an equipment platform, a disc cutter cutting system, a microwave fracturing system, a loading apparatus (24), and a cantilever crane (26). The microwave fracturing system and the disc cutter cutting system are fixed on the equipment platform, and the loading apparatus and the cantilever crane are mounted at a front end of the equipment platform. Further disclosed is a method for using the microwave-disc cutter integrated mechanical continuous mining apparatus, which uses the means of microwaves and mechanical synchronous motion to break rocks. The microwave fracturing means comprises high-power microwave global fracturing and microwave coaxial line local rapid fracturing in a disc cutter, thereby greatly improving the cutting speed of ore. The method uses disc cutter technology to cut a side surface of an ore body, and the principle of mechanical rock breaking is changed from pressure fracturing, as in the past, to tensile fracturing, which greatly reduces the costs of rock breaking based on the rock breaking principle.
An apparatus and method for comprehensive intelligent sensing of fracture, deformation, and wave velocity in engineering rock borehole. The apparatus comprises an in-hole monitoring execution unit and an out-of-hole monitoring unit, which are connected to each other by means of a cable (1). The in-hole monitoring execution unit comprises a diameter-adaptive crawling robot (2) and a combined multifunction probe assembly. The probe assembly comprises a high-definition wide-angle camera (4), a LiDAR probe (5), and a sound wave transceiver probe (6); both the probes can be freely combined. The diameter-adaptive crawling robot (2) is provided with a water-proofing sealed housing structure, which can be internally pressurized for leakage detection; and the diameter-adaptive crawling robot (2) is provided with liftable electro-crawler travelling mechanisms (9), and the supporting force thereof can be automatically adjusted to prevent slipping. The out-of-hole monitoring unit is placed inside a tunnel in the form of a device cabinet, and the cable has an integrated structure of cable lines and water pipes; an industrial personal computer is provided in the device cabinet, the robot and the probes are connected to the industrial personal computer by means of the cable lines, and the industrial personal computer is wirelessly and remotely connected to a main control system in a tunnel main control room, thereby implementing in-hole synchronous monitoring and out-of-hole remote data collection and analysis.
A microwave drill bit capable of achieving fracturing of a borehole wall and end of a deep hard rock while drilling and a use method thereof are provided. The microwave drill bit comprises a microwave drill bit body, wherein a support frame front plate, a metal sleeve and a water inlet ring sequentially sleeve on the microwave drill bit body, the metal sleeve is connected with a rotary drive I mounted on the support frame front plate, the microwave drill body is connected with a microwave mode converter and a microwave splitter II respectively, the microwave mode converter and the microwave splitter II are connected with a microwave splitter I by a rectangular waveguide, the microwave splitter I is sequentially connected with a microwave rotating joint, a fixed waveguide and a microwave generator, and the microwave rotating joint is connected with a rotary drive II mounted on the support frame rear plate.
A suspension roasting system includes a feeding bin, a Venturi dryer, a first cyclone preheater, a second cyclone preheater, a pre-oxidation suspension roasting furnace, a thermal separation cyclone cylinder, a suspension and reduction roasting furnace, a collecting bin, a grinding machine, a magnetic ore separator and a draught fan. A suspension roasting method includes: crushing iron and manganese ores; conveying the ores to the Venturi dryer; starting the draught fan and enabling combustion gas in the Venturi dryer to be mixed with dust ores to remove water; enabling obtained solid materials to enter the pre-oxidation suspension roasting furnace after being preheated by the first and second cyclone preheaters; enabling obtained gas to enter the suspension and reduction roasting furnace through the thermal separation cyclone cylinder; performing suspension and reduction roasting; enabling obtained reducing slag powder to enter the collecting bin through cooling cyclone cylinders; and performing grinding and magnetic separation.
Provided is an ultra-large physical simulation facility for deep engineering disasters, including a long-time large-load loading system for a geological model, a 3D printing system of a deep oil, gas and water multiphase multi-component complex geological body model, a high-temperature-chemical-multiphase fluid collaborative injection, monitoring and control system, a robot excavation and monitoring system for a complex engineering structure in a model under deep geological environment, an intelligent ventilation system for a deep metal mine complex drilling, mining and transferring network, an intelligent filling system for a deep metal mine ultra-large stope, a deep-well enhanced geothermal safe intelligent mining system, an all-spatial-temporal intelligent high-precision monitoring system for an excavation and fracture process of a large-scale geological model, and an ultra-large multi-task intelligent collaborative main control and digital twin system for physical simulation tests.
SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES (China)
NORTHEASTERN UNIVERSITY (China)
Inventor
Cheng, Zhen
Cao, Rui
Liu, Hongguang
Abstract
Provided are a HER2 targeted peptide and the use thereof. The HER2 targeted peptide comprises a fragment having a sequence of RSLWSDF. The HER2 targeted peptide is a low-molecular-weight polypeptide, is convenient to synthesize and low in terms of cost, and can comprise modified non-natural amino acids, which introduction can greatly improve the stability of the series of polypeptides in vivo. Therefore, the polypeptide is not easy to degrade, has targeting activity not prone to suffering damage, and has higher potential to be aggregated and retained in tumor sites, thereby achieving better imaging and treatment effects, which is beneficial for being popularized and used clinically.
C07K 7/06 - Linear peptides containing only normal peptide links having 5 to 11 amino acids
C07K 7/08 - Linear peptides containing only normal peptide links having 12 to 20 amino acids
C07K 7/56 - Cyclic peptides containing at least one abnormal peptide link with at least one abnormal peptide link in the ring the cyclisation not occurring through 2,4-diamino-butanoic acid
C07K 7/02 - Linear peptides containing at least one abnormal peptide link
C07K 1/107 - General processes for the preparation of peptides by chemical modification of precursor peptides
G01N 33/574 - ImmunoassayBiospecific binding assayMaterials therefor for cancer
G01N 33/533 - Production of labelled immunochemicals with fluorescent label
G01N 33/534 - Production of labelled immunochemicals with radioactive label
A mixed rare earth concentrate mineral and suspended mineral phase transformation-clean leaching system and a method thereof achieve low-temperature phasing transformation of a rare earth mineral. The system includes a Venturi dryer, a multi-stage separator, a suspension preheating decomposition furnace, a multi-state fluidization sealing valve, a mineral phase transformation machine, a ball mill, a multi-stage acid leaching tank, an alkali leaching tank and a neutralization tank. The method includes: after preheating mixed rare earth concentrate mineral powder, placing the preheated mixed rare earth concentrate mineral powder in a suspension preheating decomposition furnace for preheating decomposition to enable the powder to be in the suspension state, after cyclone separation, introducing the powder to a mineral phase transformation machine for mineral phase transformation, after ball milling, performing acid washing, performing alkali decomposition on acid leached residues, performing acid leaching twice on acid liquor, and neutralizing leached products to obtain neutralization residues.
A geological determination method for a delayed extremely-intense rockburst, relating to the technical field of deep-buried tunnel engineering. Geological formation information in the construction process is recorded by a tunnel face geological sketch method and a tunnel face advanced geological prediction method, and the geometric characteristics of a rockburst pit in the rockburst damage process are recorded by means of rockburst damage area advanced geological drilling and section scanning technology. In addition, three-dimensional crustal stress measurement is performed on a rockburst damage area by means of a stress relief method or a hydrofracturing method to determine a maximum principal stress direction. A corresponding three-dimensional numerical calculation model is established according to an initial crustal stress test result and the physical and mechanical parameters of rock and a structural plane obtained by on-site geological survey; tunnel excavation simulation is performed under different structural plane combination conditions; and numerical calculation is performed to determine the risk of a delayed extremely-intense rockburst disaster after the current position of a tunnel is excavated.
A microwave drill bit for fracturing the hole wall-hole end on deep hard rock while drilling, and a use method. The microwave drill bit is sequentially sleeved with a support frame front plate (14), a metal sleeve (3), and a water inlet ring (12); the metal sleeve (3) is connected to a rotating drive I (15) mounted on the support frame front plate (14); the microwave drill bit is separately connected to a microwave mode converter (4) and a microwave splitter II (6); the microwave mode converter (4) and the microwave splitter II (6) are respectively connected to a microwave splitter I (7) by means of a rectangular waveguide (5); the microwave splitter I (7) is sequentially connected to a microwave rotating joint, a fixed waveguide (10), and a microwave generation apparatus (11); the microwave rotating joint is connected to a rotating drive II (17) mounted on a support frame rear plate (18); the support frame front plate (14), the support frame rear plate (18), and the microwave generation apparatus (11) are mounted on a device moving platform (19) of a fixed base; and a gripper of the fixed base is connected to the support frame front plate by means of a tunneling drive. The drill bit achieves fracturing of rock mass on the hole wall for stress relief while implementing rapid drilling for hard rock, and improves the efficiency of microwave stress relief technology.
A dual-direction synchronous loading method for a true-triaxial test apparatus includes the following steps: Step S1, loading a sample and adjusting the sample at a center of a sample box and a rigid loading frame; Step S2, setting parameters and sending action instructions through a computer control panel; and Step S3, collecting load signals collected by each sensor acquired by a PID controller, and coordinating a size of triaxial dual-direction loading loads to realize a single instruction dual-direction synchronous loading. The method ensures that a rock sample is kept at a center of a pressure chamber before being loaded, so that a focus of a loading axis is always at a same position as a center of the sample in space, and the function of synchronous loading of two loading actuators in the same direction under a single instruction can be achieved.
An ultra-large deep engineering disaster physical simulation facility, comprising a geological model long-time large-load loading system (1), a deep oil-gas-water multiphase multi-component complex geologic body model 3D printing system (2), a high-temperature-chemical-multiphase fluid synergistic injection, monitoring and control system (3), an in-deep-geological-environment model internal complex engineering structure robot excavation and monitoring system (4), a deep metalliferous ore complex drilling-mining-transport network intelligent ventilation system (5), a deep metalliferous ore ultra-large stope intelligent filling system (6), a deep well enhanced geothermal safety intelligent mining system (7), a large geological model excavation and fracture process full-space-time intelligent high-precision monitoring system (8), and an ultra-large physical simulation test multi-task intelligent cooperative master control and digital twin system (9). The facility meets the requirements for true triaxial high stress, construction stress and disturbance stress loading of a multiphase multi-component 3D printing model under deep complex geological conditions, can intelligently and transparently monitor multivariate information under complex engineering activities such as excavation, and can realize multi-task intelligent cooperative master control and big data cloud sharing.
G01N 3/36 - Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
G01N 3/06 - Special adaptations of indicating or recording means
34.
DISTRIBUTED ULTRASONIC MONITORING SYSTEM FOR FRACTURE PROCESS INSIDE SUPER-LARGE THREE-DIMENSIONAL GEOLOGICAL MODEL
A distributed ultrasonic monitoring system for a fracture process inside a super-large three-dimensional geological model (1). The system comprises a high-power ultrasonic phase-control apparatus (4), an ultrasonic transceiving integrated sensor (3), and measurement and control three-dimensional ultrasonic imaging software. According to the conditions of a key monitoring area and a geological model excavation design scheme, sensor groups on different monitoring sections are staggeredly arranged by using a geometric asymmetric monitoring arrangement mode, so as to form a three-dimensional monitoring grid (6); sensors are pre-embedded so as to be coupled to the three-dimensional geological model (1), and the sensors are connected to the high-power ultrasonic phase-control apparatus (4) by number; then, the sensors of each chained sensor array (5) are excited one by one according to a preset delay time; and the three-dimensional ultrasonic imaging software performs inverse analysis on a three-dimensional wave velocity field of the monitoring area according to a relationship between the three-dimensional monitoring grid (6) and echoes and transmitted wave signals acquired by ultrasonic sensors, and reflects the position and degree of fracture of a rock mass by means of a change in the wave velocity field.
A three-dimensional loading structure of an ultra-large deep engineering disaster physical simulation facility, comprising a horizontal ultra-large reaction frame, a vertical ultra-large reaction frame, an ultra-long stroke lifting and locking hydraulic cylinder (8), five groups (2, 3, 4, 5, 6) of arrayed hydraulic actuators and a group (7) of linearly arrayed hydraulic actuators. The horizontal ultra-large reaction frame (1) is of a frame structure which is round outside but square inside, is formed by connecting eight arched beams and has prestressed carbon fibers (12) wound thereon; the vertical ultra-large reaction frame is of a double-beam four-column pre-tightening force frame structure; the five groups (2, 3, 4, 5, 6) of arrayed hydraulic actuators are distributed on the periphery of the horizontal ultra-large reaction frame (1) and the top of the vertical ultra-large reaction frame, and the group (7) of linearly arrayed hydraulic actuators is located in the middle of the bottom of the vertical ultra-large reaction frame. Single hydraulic actuators at the centers of the five groups (2, 3, 4, 5, 6) of arrayed hydraulic actuators are all center-hole hydraulic actuators (13). Four excavation channels (14) are evenly distributed in the circumference of the horizontal ultra-large reaction frame (1), and a drilling channel (15) is formed in the center of a reaction top plate (9) of the vertical ultra-large reaction frame.
A compiler system for deploying CNN models to FPGA-based high-performance accelerators is provided. The compiler system comprises a compiler front end and a compiler back end, as well as a runtime library and an accelerator; the compiler front end is used for the quantization of CNN models to be deployed based on the ONNX model and a training data set, and the IR Graph corresponding to the CNN model to be deployed is obtained; the compiler back end is used to determine instructions and configuration information; the instruction set architecture comprises CONY, MAXP, AVGP, ADD and FC, and the configuration information comprises pre-trained weights and bias, packet descriptors and key-value pairs representing control registers; the runtime library is used to store instructions and configuration files to DRAM, and FPGA is configured according to the configuration information of the model.
An asymmetric high-stress tunnel face advanced blasting pressure relief rock-burst control method, comprising: on the basis of a tunnel engineering geological survey report, determining a tunnel face stress concentration area according to initial ground stress of tunnel original rocks, excavation disturbance stress field distribution, and tunnel section geometric characteristics; on the basis of the tunnel engineering geological survey report, predicting a rock-burst grade of surrounding rocks by means of using a rock burst intensity evaluation method; and determining a tunnel blasting pressure relief rock-burst control method on the basis of the tunnel face stress concentration area and the rock-burst grade of surrounding rocks. By using the method, adverse effects of the stress concentration area on advanced pressure relief performances under a condition that the tunnel face is in an asymmetric high-stress condition are relieved; stress relieving holes are evenly distributed relative to the tunnel face, so as to reduce the number of the stress relieving holes and effectively improve stress distribution in front of the tunnel face; the stress concentration area is transferred inwards. In this way, safety and construction efficiency of tunnel excavation are improved and the safety of constructors and equipment is guaranteed.
2 blast cracking device, a dynamic fiber grating and ultrasonic probes are pre-embedded in a physical model sample of similar materials. Acoustic emission probes are pre-mounted on the boundary of a sample. A tunnel excavated in the sample is provided with a three-way acceleration sensor and an industrial endoscope. A sample 3D printer and a drop hammer impact device are arranged outside the three-dimensional static stress loading device. A hydraulic oil source and a controller are arranged outside the three-dimensional static stress loading device and mounted on the ground. The controller is connected with a computer.
G01N 3/30 - Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force
G01N 3/10 - Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
Provided is a calculating and real-time monitoring method for a boundary of a blast furnace tuyere raceway including: the steps of firstly establishing a depth calculation model for the raceway, and further obtaining a calculation formula for a depth of the raceway so as to obtain a change law of the depth of the raceway; establishing a boundary model for the raceway through the depth calculation model for the raceway, and determining a calculation formula for the boundary of the raceway; obtaining modelling parameters, analyzing an impact of the modelling parameters on the boundary model, and determining main parameters that affect the boundary of the raceway; finally, solving a height of the raceway; and when the height or depth of the raceway exceeds a set range, adjusting a blast wind pressure and a blast wind volume to restore the height or depth of the raceway to a normal range.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
The invention belongs to the technical field of quality control of steel plates and strips products, and relates to a prediction method of crown of steel plates and strips based on data driving and mechanism model fusion. By establishing an outlet crown mechanism model of a hot continuous rolling, the mechanism model and a DNN model are combined to establish a DNN model for predicting crown of steel plates and strips, and the calculated value of the mechanism model is taken as a benchmark value of the outlet crown. The deviation amount between the benchmark value and the actual values of the outlet crown is taken as output of the DNN model for predicting crown of the steel plates and strips, and then sum of the predicted value and the benchmark value based on the DNN model for predicting the crown of the steel plates is taken as the final predicted value of the crown of the steel plates and strips.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06F 30/17 - Mechanical parametric or variational design
G06F 119/08 - Thermal analysis or thermal optimisation
G06F 119/14 - Force analysis or force optimisation, e.g. static or dynamic forces
41.
STEEL SHEET FOR HOT STAMPING FORMING, HOT STAMPING FORMING MEMBER, AND STEEL SHEET MANUFACTURING METHOD
The present invention relates to a steel sheet for hot stamping forming, a hot stamping forming member, and a steel sheet manufacturing method. The steel sheet matrix of the steel sheet for hot stamping forming comprises the following components in percentage by mass: 0.27%≤C≤0.35%, 0.70%≤Mn≤1.55%, 0.10%≤Si≤0.60%, 0.01%≤Cr≤0.70%, 0.001%≤B≤0.01%, 0.11%≤Al≤0.39%, N≤0.006%, 0.001%≤Nb+Ti≤0.1%, 0.05%≤V≤0.20%, 0.001%≤P≤0.100%, 0.0001%≤S≤0.100%, Fe≥95%, and inevitable impurities, wherein the steel sheet matrix has Mf satisfying Mf≥230°C and a hardenability coefficient h satisfying h≥8.0.
A low-carbon high-toughness hot stamping forming component and a steel sheet. A steel sheet base of a hot stamping forming component comprises, in percentage by mass, 0.053%≤C≤0.10%, 0.05%≤Si≤0.30%, 1.81%≤Mn≤2.7%, 0.01%≤Cr≤0.7%, 0.01%≤Al≤0.5%, 0.0005%≤B≤0.005%, 0.015%≤Ti≤0.05%, 0≤Nb+V≤0.2%, 0.001%≤P≤0.100%, 0.0001%≤S≤0.100%, Fe≥95%, and inevitable impurities, wherein Mn+0.26Si+1.3Cr≥2.20%. The microstructure of the steel sheet base comprises, by area percentage, less than 5% of bainite, less than 3% of austenite, less than 3% of ferrite, less than 0.2% of an Nb-V-Ti carbide, and the remainder being martensite.
Provided in the present invention are a carbon emission evaluation model, evaluation method and evaluation system for a long-procedure iron and steel enterprise. In the present invention, for an iron and steel enterprise characterized by a long blast furnace-converter procedure, during carbon emission evaluation, the carbon emission evaluation of levels of the iron and steel enterprise is realized depending on the coupling relationships between a substance flow, an energy flow and a carbon flow, and process units connected thereto. In view of the coupling relationship between the substance flow and the energy flow and the characteristic of the carbon flow being inseparable from the substance flow and the energy flow during an iron and steel production process, a substance flow-energy flow-carbon flow analysis model is invented, such that when a parameter of any link changes, the determination of other production processes affected by the link is fully realized. By means of a determined chain reaction, the effect of a change in a certain parameter during the whole production process or between links can be accurately evaluated, a defect in the aspect of repeated calculation or missing calculation is overcome, and the accurate evaluation of carbon emission during the production process in which there is a chain reaction when measures are implemented in the iron and steel enterprise is realized.
A mixed rare earth ore concentrate suspension state ore phase transformation-clean leaching system and a use method thereof, relating to the field of ore dressing and metallurgy and the field of comprehensive resource recovery. The system comprises a Venturi dryer (4), multiple stages of separators, a suspension preheating decomposition furnace (7), multiple stages of fluidization sealing valves, an ore phase transformation device (11), a ball mill (17), multiple stages of acid leaching tanks, an alkali leaching tank (21), and a neutralization tank (26). The use method of the system comprises: preheating mixed rare earth ore concentrate powder, placing a material in the suspension preheating decomposition furnace (7) so that the material undergoes preheating decomposition and is in a suspension state, performing cyclone separation and then making the material enter the ore phase transformation device (11) for ore phase transformation, performing ball milling and pickling, performing alkali decomposition on acid leaching residues, performing secondary acid leaching on an acid liquid, neutralizing a leached product, and then obtaining neutralization slag. The system can achieve low-temperature phasing transformation of rare earth ores, avoid production of tetravalent cerium in an ore phase transformation product, and increase the rare earth leaching rate, and can also prevent production of fluorine and chlorine waste gas.
11) are provided at the joints of the first working face and the second working faces, and two first connecting lines are provided; the cross section of the first working face is a convex arc, the first working face extends from the upper edge of the narrow-face copper plate to the lower edge of the narrow-face copper plate, and the height by which the first working face protrudes relative to the plane where the two first connecting lines are located gradually decreases in a direction from the upper edge of the narrow-face copper plate to the lower edge of the narrow-face copper plate. Also provided is a method for using the convex-cambered continuous casting crystallizer narrow-face copper plate. The width of the first working face is large enough, and the change amount of protrusion of the first working face is small, thereby reducing the probability of forming a remarkable width sideline crack defect and a remarkable double-strand shape defect in a continuous casting slab rolling process.
A bidirectional synchronous loading method for a true triaxial tester, relating to the technical field of laboratory tests of rock mechanics, comprising: loading and adjusting a specimen in the centers of a specimen box and a rigid loading frame; setting parameters and sending an action instruction by means of a computer control panel; PID controllers collecting load signals collected by sensors, and coordinating the magnitudes of the triaxial bidirectional loads, so as to control, on the basis of the single instruction, synchronous loading of two bidirectionally arranged actuators on a same axis. The accuracy of tests is ensured, and the probability of test failure caused by improper operation of test personnel is reduced.
A method for preparing a press-hardened steel component is provided. The method includes forming a heated blank by heating a steel alloy blank to a first temperature in a first zone of a furnace having two or more zones, and after the heating of the steel alloy blank to the first temperature, heating the steel alloy blank to a second temperature in a second zone of the furnace. The second temperature is greater than the first temperature. The first zone has a first flow rate for a protective gas, and the second zone has a second flow rate for the protective gas that is greater than the first flow rate. The method further includes stamping and quenching the heated blank at a constant rate to a temperature between a martensite finish temperature of the steel alloy defining the steel alloy blank and room temperature to form the press-hardened steel component.
The invention provides a method and system for a blast-induced vibration monitoring of a tunnel in high asymmetric in-situ stresses. According to the method, triaxial vibration sensors are respectively fixed in areas having different radial depths inside surrounding rocks of a stress concentration area behind a tunnel face of the tunnel in high asymmetric in-situ stresses, and each triaxial vibration sensor monitors blast vibration velocity and acceleration at a position thereof. The system comprises a plurality of triaxial vibration sensors which are fixed in areas having different radial depths inside surrounding rocks of a stress concentration area behind a tunnel face of the tunnel in high asymmetric in-situ stresses, and each triaxial vibration sensor is used for monitoring blast vibration velocity and acceleration at a position thereof. The method and system can improve the safety and the efficiency of tunnel excavation construction.
G01N 3/313 - Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force generated by explosives
A use of a PLK4-targeting drug in the treatment of platinum drug-resistant tumors. Specifically, provided is a use of a PLK4-targeting drug in the preparation of a drug for treating an oxaliplatin-resistant cancer.
Some embodiments of the disclosure provide a method for homogeneously controlling a transverse temperature during laminar cooling of a hot-rolled strip. In an embodiment, a mathematical model of middle convexity cooling in a water volume is established by designing different types of middle convexity water cooling heat transfer coefficient curves. Process procedures and equipment parameters of the hot-rolled strip during the laminar cooling are considered to restore the actual situation on site. Through finite element calculation, an optimal middle convexity water cooling heat transfer coefficient curve is obtained. Process parameters corresponding to middle convexity water volume distribution during the laminar cooling (a water flow density) are further obtained to guide a water volume control process.
B21B 37/74 - Temperature control, e.g. by cooling or heating the rolls or the product
B21B 1/22 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
51.
SECOND TYPE COMPUTER ASSEMBLY LINE BALANCING OPTIMIZATION METHOD BASED ON MIGRATION GENETIC ALGORITHM
A second type computer assembly line balancing optimization method based on a migration genetic algorithm, and related to the technical field of assembly line balancing. The method uses assembly experience of similar assembly lines, the feasible solution set of the known assembly lines is transferred to the initial solution set of the assembly line balancing problem to be optimized, due to the migration of high-quality feasible solutions. The method can effectively reduce the sensitivity of the algorithm performance to the initial value and parameters, and improve the lower limit of the local optimal feasible solution of the heuristic algorithm to solve the assembly line balancing problem.
G06Q 10/0637 - Strategic management or analysis, e.g. setting a goal or target of an organisationPlanning actions based on goalsAnalysis or evaluation of effectiveness of goals
SHANGHAI INSTITUTE OF MATERIA MEDICA , CHINESE ACADEMY OF SCIENCES (China)
NORTHEASTERN UNIVERSITY (China)
Inventor
Cheng, Zhen
Cao, Rui
Liu, Hongguang
Abstract
The present invention relates to an HER2 targeting peptide molecule and a use thereof. The HER2 targeting peptide molecule has the following general formulas: X-peptide, X-L-peptide, peptide-X, and peptide-L-X, wherein X represents a mark unit for a report function (fluorescence, diagnostic radionuclides, nuclear magnetic resonance, etc.) or a therapeutic function (therapeutic radionuclides, chemical drugs, etc.), L represents a linking group, peptide represents a unit derived from a polypeptide Herceptide, and the amino acid sequence of the polypeptide Herceptide is as shown in SEQ ID No.: 1. The HER2 targeting peptide molecule in the present invention can specifically recognize and target an HER2 receptor, can be effectively gathered and retained at a tumor site, and can be used for tumor targeted diagnosis and treatment.
The invention relates to a large-scale three-dimensional physical simulation test system for the whole development process of deep engineering rock burst. A CO2 blast cracking device, a dynamic fiber grating and ultrasonic probes are pre-embedded in a physical model sample of similar materials. Acoustic emission probes are pre-mounted on the boundary of a sample. A tunnel excavated in the sample is provided with a three-way acceleration sensor and an industrial endoscope. A sample 3D printer and a drop hammer impact device are arranged outside the three-dimensional static stress loading device. A hydraulic oil source and a controller are arranged outside the three-dimensional static stress loading device and mounted on the ground. The controller is connected with a computer.
The present invention relates to the technical field of offshore photovoltaic power generation, and provides an offshore floating photovoltaic energy storage integrated charging station system and a method. The system comprises a triangular floating body structure and a control unit mounted on the floating body structure; energy storage grooves are formed in the floating body structure, energy storage units are mounted in the energy storage grooves, and photovoltaic power generation units are laid on the energy storage grooves. A storage battery pack in the energy storage grooves in each triangular floating body is one energy storage unit, so that it can be effectively guaranteed that the whole system can still keep normal operation when a single energy storage unit fails, and the energy storage unit can independently supply power to or charge a ship when the photovoltaic power generation unit does not generate power and a state of charge of the energy storage unit is adequate. Droop charging and discharging control modes, a constant-power charging control mode, and a standby mode are used for energy storage unit control, and switching is performed among the four control modes according to system requirements, so that stable operation of the system is guaranteed.
22 burst fracturing device (3), a dynamic fiber grating (31), and ultrasonic probes (32) are pre-embedded in a similar material physical model sample (9); acoustic emission probes (33) are pre-installed at a boundary of the sample (9); a three-way acceleration sensor (35) and an industrial endoscope (36) are equipped for tunnel excavation in the sample (9); the sample (9) is located in a 3D static stress loading device (1); a split Hopkinson pressure bar device (4), the 3D static stress loading device (1), and a miniature rotary-excavation flexible mechanical arm device (5) are arranged linearly and sequentially and are fixedly installed on the ground; a sample 3D printer (2) and a drop hammer impact device (6) are arranged outside the 3D static stress loading device (1); the sample 3D printer (2) and the drop hammer impact device (6) each is arranged on the ground by using a rail-type mounting structure; the movement paths of the sample 3D printer (2) and the drop hammer impact device (6) pass directly above the 3D static stress loading device (1); a hydraulic oil source (7) and a controller (8) are further arranged outside the 3D static stress loading device (1); the hydraulic oil source (7) and the controller (8) are fixedly arranged on the ground; the controller (8) is connected to a computer. The experiment system achieves multiple types of rock burst simulation under multiple influence factors, thereby providing technical guarantee for analysis of rock burst development processes and mechanisms.
G01N 3/303 - Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force generated only by free-falling weight
G01N 3/30 - Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
56.
METHOD AND DEVICE FOR PRODUCING MEDIUM-THICKNESS PLATES WITH HIGH THICKNESS PRECISION THROUGH CVC STECKEL MILL
A method and a device for producing medium-thickness plates with high thickness precision through a CVC steckel mill. The method includes the following: heating a blank in the heating furnace, and roughly descaling by the descaling machine; enabling the blank to enter the rolling mill, after multi-pass flat rolling, carrying out multi-pass rolling, carrying out linkage rolling of the rolling mill and the coiler furnaces in the rolling process, and enabling the rolling tension to reach a set value; controlling the temperatures of the coiler furnace to a set value in the coiling process; and in the rolling process, starting 30-70% of the original flow of cooling water of the working roll of the rolling mill; and after rolling is finished, finishing the production process through the laminar cooling system and the hot straightening machine respectively.
B21B 1/26 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a continuous process by hot-rolling
57.
METHODS OF FORMING STEEL SHEETS WITH ENHANCED FLATNESS
The present disclosure provides a method for preparing a steel alloy sheet to enhance flatness. The method includes, inter alia, heating a steel alloy material to a first temperature that is greater than a full-austenitization point for the steel alloy material; holding steel alloy material at the first temperature for a period greater than or equal to about 1 second to less than or equal to about 10,000 seconds to from a precursor steel sheet; air quenching the precursor steel sheet to a second temperature that is less than the first temperature and greater than martensitic transformation starting temperature for the steel alloy material; and cooling the precursor steel sheet to room temperature to prepare the steel alloy sheet. The steel alloy material includes greater than or equal to about 0.5 wt. % to less than or equal to about 6 wt. % of chromium.
2 statistics by a kernel density estimation method, and further judging whether newly acquired data has faults. According to the present method, main features of the data can be extracted under the conditions of non-dimensional reduction and dimensional reduction, and thus the present method can achieve the purpose of increasing fault detection accuracy.
Liaoning Wuhuan Special Materials And Intelligent Equipment Industry Technology Research Institute Co. Ltd. (China)
Inventor
Li, Lixia
Li, Nan
Liu, Zhe
Zhang, Qiang
Zhang, Junfei
Zhang, Qingyu
Lu, Jiwei
Meng, Qingyou
Abstract
A piston press system and a test method using the same are used for predicting the roll service life of high-pressure grinding rolls. The method is based on the same comminution mechanism of inter-particle layers compression as the heavy equipment high-pressure grinding rolls to simulate the grinding process of the studded high-pressure grinding roll, realizing that the coverage area of studs accounts for 16% to 20% of the compression surface by disposing tungsten carbide upper studs and lower studs, better restoring the simulation process and effectively realizing the roll service life prediction of the heavy equipment high-pressure roller mill with a small quantity of materials.
Provided is an intelligent inversion method for pipeline defects based on heterogeneous field signals. The method includes the following steps: firstly, acquiring heterogeneous field signals, performing an abnormality judgement, then correcting base values of the heterogeneous field signals, and performing denoising treatment; padding the denoised heterogeneous field signals corresponding to the pipeline defects, unifying the heterogeneous field signals of different sizes into the heterogeneous field signals of same sizes, and performing a nonlinear transformation on signal amplitudes; designing a sparse autoencoder with an axisymmetric structure, and obtaining primary characteristics of the heterogeneous field signals; classifying the pipeline defects according to lengths, widths and depths to obtain category labels of the pipeline defects; designing a multi-classification neural network to classify the heterogeneous field signals, and extracting deep characteristics containing defect size information; and constructing a random forest regression model to realize intelligent inversion for sizes of the pipeline defects.
G01N 27/83 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
G01B 7/02 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width, or thickness
61.
ASYMMETRIC HIGH-STRESS TUNNEL BLASTING VIBRATION TEST METHOD AND SYSTEM
The present invention relates to the technical field of tunnel engineering, and provides an asymmetric high-stress tunnel blasting vibration test method and system. According to the method of the present invention, three-axis vibration sensors are respectively fixed to areas at different radial depths inside a stress concentration area wall rock behind an asymmetric high-stress tunnel face, and a blasting vibration speed and an acceleration at the position where each three-axis vibration sensor is located are measured by means of the each three-axis vibration sensor. The system of the present invention comprises a plurality of three-axis vibration sensors; the plurality of three-axis vibration sensors are fixed to areas at different radial depths inside the stress concentration area wall rock behind the asymmetric high-stress tunnel face, and each three-axis vibration sensor is used for monitoring a blasting vibration speed and an acceleration at the position where the each three-axis vibration sensor is located. According to the method and system, blasting vibration speeds and accelerations at different radial depths of a stress concentration area can be emphatically measured, the safety and construction efficiency of tunnel excavation construction are improved, and the safety of constructors and equipment is guaranteed.
G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
G01L 5/14 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force of explosionsApparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the energy of projectiles
62.
METHOD FOR CIRCULARLY PURIFYING METALLURGICAL ARSENIC-CONTAINING ACIDIC WASTE LIQUID AND RECOVERING SULFUR
A method for circularly purifying metallurgical arsenic-containing acidic waste liquid and recovering sulfur, including the following steps: (1) adding a calcium-free arsenic removal agent into the metallurgical arsenic-containing acidic waste liquid for stirring reaction, and filtering the reaction mixture to obtain arsenic-containing slag and a purified liquid; (2) adding calcium hydroxide into the purified liquid for secondary stirring reaction, and performing sedimentation and separation on the mixture to obtain a supernatant and a subjacent concentrated slurry; and refluxing the supernatant to a pretreatment workshop; (3) introducing the subjacent concentrated slurry into the metallurgical arsenic-containing acidic waste liquid, performing stirring reaction, and filtering the reaction mixture to obtain a liquid phase and a slag phase; and (4) washing the slag phase with water to obtain a gypsum product; refluxing the washing liquid to the pretreatment workshop; and taking the liquid phase as a raw material for purifying for removing arsenic.
The invention relates to a one-way rapid electromagnetic unloading device suitable for a true triaxial testing machine, comprising a first electromagnet, a second electromagnet, a first electromagnet mounting base, a second electromagnet mounting base and a restraining disc. A frame of the true triaxial testing machine is provided with a mounting hole for the unloading device. The first electromagnet mounting base is fixedly mounted in the mounting hole for the unloading device, and the first electromagnet is fixedly mounted on the first electromagnet mounting base. The restraining disc is fixedly mounted at an opening of the mounting hole for the unloading device, and the second electromagnet mounting base is located between the restraining disc and the first electromagnet. The second electromagnet is fixedly mounted on the second electromagnet mounting base and is opposite to the first electromagnet.
Disclosed are an adaptive deep learning-based intelligent prediction method, apparatus, and device for a complex industrial system, and a storage medium. The method includes establishing a dynamic model for a complex industrial system; establishing an offline deep learning prediction model using the dynamic model; establishing an online deep learning prediction model using the offline deep learning prediction model; establishing a deep learning correction model based on a structure that is the same as a structure of the online deep learning prediction model; and correcting the online deep learning prediction model using the deep learning correction model; where the online deep learning prediction model predicts a parameter of the complex industrial system in real time. The offline deep learning prediction model, the online deep learning prediction model, the deep learning correction model, and a self-correction mechanism are established to achieve accurate real-time prediction of the complex industrial system.
A robot for measuring a translational friction coefficient between skis and a snow surface, relating to the technical field of robots. The robot comprises a mechanical system, a control system and a power supply module; the power supply module supplies power to the mechanical system and the control system; the mechanical system comprises a power mechanism, a transmission mechanism, a ski and player simulation structure, and a supporting mechanism; the power mechanism is used for providing power for the transmission mechanism; the transmission mechanism implements transmission of the ski and player simulation structure; the supporting mechanism is used for supporting the ski and player simulation structure and is used for placing the transmission mechanism, the control system and the power supply module; the control system comprises an upper computer, a lower computer, a data acquisition module and a speed measurement module; the upper computer computes a friction coefficient between skis and a snow surface by means of data information acquired by the data module, and computes the speed of the player by means of the speed measurement module. The robot is portable and movable, and can measure the friction coefficient between the skis and the snow surface and the speed of the player according to needs.
Provided is a clamp of elastic box of stiff true-triaxial testing system and a displacement monitoring method for cuboid specimens. The clamp includes six pressing plates and eight plate springs, which form an elastic pressure box. One surface of the elastic pressure box can be disassembled, which simplifies the steps of rock sample mounting, and saving the mounting time. The springs connected with the pressing plates ensures the stability of the clamp but cannot affect the stress state of other surfaces of the rock sample during the test of the rock sample, thereby ensuring test accuracy. The invention further provides a displacement monitoring method for the rock sample by using the elastic box clamp. Six displacement sensors are mounted on the elastic box clamp, and the displacement of the rock sample can be monitored in real time.
A microwave-mechanical fluidization mining system and a mining method for metal mines. The microwave-mechanical fluidization mining system comprises a microwave pre-splitting mechanical mining system, a microwave separation system, a high-power microwave focused melting system and a goaf, wherein ore-waste rock mixtures mined by the microwave pre-splitting mechanical mining system are transported to the microwave separation system through a conveyor and an elevator on the microwave pre-splitting mechanical mining system, separated ores are transported to the high-power microwave focused melting system, and separated waste rocks are transported through a conveyor to the goaf for filling. Microwave pre-splitting mechanical mining is adopted instead of a traditional blasting mining method to increase an excavation speed and avoid the influence of blasting on the stability of surrounding rocks.
A test apparatus and test method for microwave mobile lunar soil sintering in a vacuum environment, which belong to the technical field of in-situ deep space resource utilization and engineering construction tests. The test apparatus for microwave mobile lunar soil sintering in a vacuum environment comprises a vacuum test chamber module, an intelligent mechanical arm module, a microwave generation and focusing radiation module, a sintering process comprehensive monitoring module and a sintering effect in-situ evaluation module, wherein the vacuum test chamber module comprises a vacuum chamber body, a vacuum environment construction system and a temperature construction system. The test method for microwave mobile lunar soil sintering in a vacuum environment comprises: laying simulated lunar soil, starting a vacuum environment construction system, starting a temperature construction system, performing a sintering test and monitoring, and performing sintering effect in-situ evaluation. The test apparatus and test method for microwave mobile lunar soil sintering in a vacuum environment can realize research on an influence mechanism of the property of simulated lunar soil, microwave action parameters, a sintering path and sintering parameters on a sintering effect, and the in-situ evaluation of mechanical parameters of the simulated lunar soil after sintering.
G01N 25/02 - Investigating or analysing materials by the use of thermal means by investigating changes of state or changes of phaseInvestigating or analysing materials by the use of thermal means by investigating sintering
69.
METAVERSE SKI SYSTEM FOR CLOUD REAL-TIME LINKING WITH SKI RESORT ENVIRONMENTAL ELEMENTS
The present invention relates to the interdisciplinary technical field of mechatronic engineering and sports. Provided is a metaverse ski system for cloud real-time linking with ski resort environmental elements. The system comprises: a ski resort environmental element sensing module, which is responsible for sensing a change in environmental elements of a real ski resort, receiving a cloud instruction, and uploading collected data to a cloud; a virtual reality (VR) ski module, which is responsible for uploading an instruction of starting and stopping collection of data to the cloud, and receiving, in real time, data forwarded by the cloud, and performing data real-time display and scene rendering on a ski scene; and a cloud real-time link module, which is responsible for connection and data transmission between the modules, wherein the data transmission is identified and encrypted by using an SSL certificate. The present invention fuses "a robot technology, a VR technology, an Internet of Things technology, and an artificial intelligence technology", is applied to public sports, establishes a metaverse ski system, and breaks through the limitation of conditions such as seasons and sites, so that people can experience geological features of ski resorts indoors, and experience alpine skiing, freestyle skiing, etc.
G06F 3/04815 - Interaction with a metaphor-based environment or interaction object displayed as three-dimensional, e.g. changing the user viewpoint with respect to the environment or object
70.
MULTI-VIEW DATA ANOMALOUS WORKING CONDITION DETECTION METHOD BASED ON FEATURE REGRESSION
A multi-view data anomalous working condition detection method based on feature regression, relating to the technical field of fault detection and diagnosis. The method comprises: collecting data that can be collected in a production process; establishing a big data pool; analyzing the data in the data pool by fully utilizing historical data information; establishing a multi-view data-based anomalous working condition detection method by means of a feature regression method; establishing a total mathematical model for preprocessed data that is collected by different sensors; calculating left and right projection vectors by means of the model, so that the clustering effect of the sample points of the same category in a low-dimensional space is better; and realizing recognition of a production working condition at the current time by comparing the correlation of a dimension-reduced vector and each category indication vector. According to the method, the production working condition at the current time can be quickly and accurately recognized.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
71.
STRIP STEEL PLATE CONVEXITY PREDICTION METHOD BASED ON DATA-DRIVING AND MECHANISM MODEL FUSION
A strip steel plate convexity prediction method based on data-driving and mechanism model fusion, relating to the technical field of strip steel product quality control. By means of establishing a convexity mechanism model of a hot continuous rolling exit plate, the method combines the mechanism model with a DNN model to establish a strip steel convexity prediction DNN model; using a computed value of the mechanism model as a reference value of exit plate convexity, and taking the deviation amount between the reference value and the actual value of the exit plate convexity as an output of the strip steel convexity prediction DNN model, a sum of a predicted value of the strip steel convexity prediction DNN model and the reference value is then taken as a final predicted strip steel plate convexity value. The method uses the deviation between the computed value and the actual value as the output of the DNN model, which can reduce the range of prediction errors and guarantee more precise plate shape control. At the present stage, collection and storage aspects of industrial data of hot rolling production lines are well-developed. Therefore, the method has strong promotion capabilities, and provides a new method for improving the precision of strip steel plate exit plate convexity.
Disclosed in the embodiments of the present application is a database processing method. The method is applied to a database system. The database system comprises a first node and a second node, wherein the first node and the second node are respectively deployed with a first database and a second database, which store the same data. The method comprises: acquiring a first operation set; sending the first operation set to a second node; receiving a second operation set, which is sent by the second node, wherein the first operation set and the second operation set are used for the second node to update a second database; and updating the first database on the basis of the first operation set and the second operation set. Operation sets of transactions are mutually sent between a plurality of nodes in a database system, such that the transactions, which are submitted by other databases, are taken into consideration during the update of databases on the nodes, thereby ensuring the update synchronization between a plurality of databases.
A modeling method for soft measurement of temperature of a blast furnace tuyere raceway includes: collecting picture data of flame combustion at the blast furnace tuyere raceway, physical variable data reflecting operation states of a blast furnace and combustion temperature data of the blast furnace tuyere raceway; extracting characteristics of the picture data of the flame combustion; constructing a multi-kernel least squares support vector regression model based on Pearson correlation coefficient method and least squares support vector regression algorithm as a soft measurement model; optimizing parameters of the soft measurement model by using sine cosine optimization algorithm; and taking optimal kernel function parameters of the picture data, kernel function parameters of the physical variable data and regularization parameters in the multi-kernel least squares support vector regression model as final parameters of the soft measurement model, and achieving prediction and calculation of the combustion temperature of the blast furnace tuyere raceway.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06V 10/56 - Extraction of image or video features relating to colour
74.
High-strength steel allowing low-temperature welding and high-heat input welding and production method thereof
A high-strength steel allowing low-temperature welding and high-heat input welding and a production method thereof are provided, which belongs to the technical field of steel production. The high-strength steel includes the following chemical components by mass fraction: 0.03-0.16% of C, 0.05-0.5% of Si, 1.0-1.9% of Mn, 0.002-0.02% of P, 0.001-0.01% of S, 0.005-0.07% of Al, 0.005-0.04% of Ti, 0.1-0.5% of Cr, 0.0005-0.005% of B, 0.002-0.01% of Mg+Zr, 0.001-0.008% of O, 0.004-0.01% of N, and the balance of Fe and residual elements. Magnesium and zirconium are added to form magnesium/zirconium oxide, titanium and boron are added to form titanium/boron nitride, and the two types of precipitates work synergistically to improve the microstructure of a heat-affected zone. The method optimizes the chemical composition and production process of existing high-strength steel.
A smelting and continuous casting method for a high-Cr-Si alloyed hot-formed steel. During the smelting process, deoxidation and primary alloying are carried out during converter tapping to finish the complete alloying of Al and partial alloying of Si, Mn and Cr; and during the LF refining process, a silicon alloy, a manganese alloy and a chromium alloy are added for secondary alloying to finish the alloying of the remaining Si, Mn and Cr elements; and when continuous casting is carried out after smelting, low-alkalinity protective slag is used. The method aims at the problem of a relatively large addition amount of silicon, manganese and chromium alloys required by a steel, and by rationally matching two modes of adding a steel ladle alloy and adding an LF furnace alloy during converter steelmaking, the alloy components for a coating-free hot-formed steel are accurately controlled; and during the continuous casting process, the low-alkalinity protective slag having uniform heat transfer and a good lubricating property is used, such that the problems of air gaps being easy to form and an uneven blank shell in the steel are solved.
A ground-powered electric vehicle and a shoegear. The shoegear comprises a shoe plate and a power receiving assembly; through holes are formed in the shoe plate; the power receiving assembly penetrates through the through holes; the power receiving assembly comprises current receiving columns (2) and elastic pieces (7); accommodating spaces for accommodating the elastic pieces (7) are formed between the current receiving columns (2) and the inner walls of the through holes; the upper ends of the elastic pieces (7) abut against the shoe plate, and the lower ends abut against the current receiving columns (2); and the lower ends of the current receiving columns (2) extend out of the through holes and are configured to be in sliding contact with a ground power supply module (5) for power-on. A copper bar structure is replaced with the current receiving columns (2), and direct elastic buffering between the current receiving columns (2) and the ground power supply module (5) is achieved by means of the elastic pieces (7).
The present invention relates to the technical field of metal processing, and in particular to high Cr-Si alloyed coating-free hot forming steel and a hot rolling preparation method therefor. For the problems existing in the prior art that a steel plate for hot forming can be prepared only by adding cold rolling and can be subjected to hot forming only by using a coating, the present invention provides low-cost high Cr-Si alloyed coating-free hot forming steel, and provides the hot rolling preparation method for the hot forming steel. The hot forming steel preparation method of the present invention is simple in process, low in cost and wide in process window, and the prepared hot forming steel is uniform in structure and excellent in mechanical property and high-temperature oxidation resistance.
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/38 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
C22C 38/28 - Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/26 - Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
C22C 38/24 - Ferrous alloys, e.g. steel alloys containing chromium with vanadium
C22C 38/20 - Ferrous alloys, e.g. steel alloys containing chromium with copper
C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
C21D 8/04 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
B21C 37/02 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided forManufacture of tubes of special shape of sheets
78.
THREE-DIMENSIONAL MODEL BASED METHOD FOR PREDICTING CRITICAL VIBRATION SPEED OF SIX-ROLLER COLD ROLLING MILL
The present invention relates to the technical field of rolling process automation, and provides a three-dimensional model based method for predicting the critical vibration speed of a six-roller cold rolling mill. The critical vibration speed is predicted on the basis of a three-dimensional six-roller cold rolling mill model; considering that rollers should be regarded as short and thick beams and the effect of shear deformation needs to be considered, Timoshenko beams are selected, and Hermite interpolation is used for node displacement vectors; a vertical vibration kinetic equation of a rolling mill-rolled piece system may be created by analyzing the stress among a rolled piece, a roller, and a memorial archway and solved by using a Newmark-Beta method so as to obtain a roller displacement response curve at a specific speed; and if the amplitude of the displacement response curve is constant, the speed is the critical vibration speed of the rolling mill. According to the present invention, the effect of two-dimensional rolling process parameters on the stability of a rolling process can be studied, the effect of width parameters such as a bending-shifting roll on the critical rolling speed can also be analyzed, the critical vibration speed of the rolling mill can be predicted in a rolling schedule making stage, and theoretical support can be provided for optimization of the process parameters.
G06F 30/23 - Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
The present invention relates to the technical field of assembly line balance. Disclosed is a computer second-type assembly line balance optimization method based on a migration genetic algorithm. According to the method, by utilizing assembly experience of similar assembly lines, a feasible solution set of a known assembly line is migrated to an initial solution set of a balance problem of an assembly line to be optimized. Due to migration of a high-quality feasible solution, the method can effectively reduce the sensitivity of algorithm performance related to an initial value and parameters, and increase a lower limit of solving an assembly line balance problem local optimal feasible solution by means of a heuristic algorithm. Moreover, compared with the existing methods for solving the assembly line balance problem, the method can accelerate a convergence speed, shorten execution time and obtain a high-quality feasible solution more quickly. Therefore, the computer assembly line balance problem is optimized, computer production cost is reduced, computer assembly quality is improved, a computer production period is shortened, and development of an assembly technology of the discrete manufacturing industry is facilitated.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06N 3/12 - Computing arrangements based on biological models using genetic models
Provided is a fault signal locating and identifying method of industrial equipment based on a microphone array. The method includes the steps of: acquiring sound signals and dividing the acquired signals into a training set, a verifying set and a test set; performing feature extraction on the sound signals in the training set, and extracting a phase spectrogram and an amplitude spectrogram of a spectrogram; sending an output of a feature extraction module, as an input, to a CNN, and in each layer of the CNN, learning a translation invariance in the spectrogram by using a 2D CNN; in between the layers of the CNN, normalizing the output by using a batch normalization, and reducing a dimension by using a maximum pooling layer along a frequency axis; sending an output from the layers of the CNN to layers of RNN; using a linear activation function; and inputting an output of a full connection layer to two parallel full connection layer branches for fault identification and fault location, respectively.
G01M 99/00 - Subject matter not provided for in other groups of this subclass
G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
G06F 18/2131 - Feature extraction, e.g. by transforming the feature spaceSummarisationMappings, e.g. subspace methods based on a transform domain processing, e.g. wavelet transform
H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
81.
Microwave plasma adaptive rock breaking device for micro wave-insensitive rocks and method for using the same
The invention provides a microwave plasma adaptive rock breaking device for microwave-insensitive rocks and a using method thereof, and relates to the technical field of rock breaking. The microwave plasma adaptive rock breaking device comprises a microwave system, a microwave plasma conversion system and a cutter head system. The microwave system and the microwave plasma conversion system are mounted in the cutter head system, and the microwave system is connected with the microwave plasma conversion system. Under the premise that only a microwave source is used to supply energy, the combined action of ordinary microwave irradiation and plasma irradiation in the form of high-temperature flame is realized, and a full-section hard rock tunnel boring machine is in cooperation for breaking rocks, so that the problem of microwave-induced cracks of the microwave-insensitive rocks is solved, and the application scope of a microwave rock breaking technology is enlarged.
A microwave-plasma adaptive rock breaking device for an insensitive rock and a use method, relating to the technical field of rock breakage. The device comprises a microwave system, a microwave-plasma conversion system, and a cutterhead system. The microwave system and the microwave-plasma conversion system are mounted in the cutterhead system, and the microwave system is connected to the microwave-plasma conversion system. On the premise that only a microwave source is used for supplying energy, the combined action of common microwave irradiation and plasma irradiation in a high-temperature flame form works in conjunction with a full-section hard rock tunnel boring machine to break a rock, thereby solving the problem of microwave cracking of a microwave-insensitive rock, and widening the application range of a microwave rock breaking technology. A plasma torch (27) is used for high-temperature heating of a rock, and the method of common microwave irradiation is used, thereby solving the problem of microwave cracking of the rock which is insensitive to normal-temperature microwaves but sensitive to high-temperature microwaves.
E21D 9/11 - Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
E21D 9/10 - Making by using boring or cutting machines
83.
MONOLITHIC ADSORBENT SHAPING METHOD AND APPLICATION
A preparation method of a granular adsorbent is provided, including the following: adding a pyrrole monomer to an acidic solution, and adding an oxidant as an initiator to allow a polymerization reaction of the pyrrole monomer to produce polypyrrole (PPy), where an adsorption material powder is added to a reaction system before, during, or immediately after the polymerization reaction, and a resulting mixture is thoroughly stirred; after the polymerization reaction is completed, filtering a resulting reaction system to obtain a filter cake, which is the granular adsorbent; or subjecting the resulting reaction system to centrifugal sedimentation to obtain the monolithic adsorbent. In the present disclosure, the pyrrole monomer is subjected to a polymerization reaction to generate PPy; before being tightly stacked, network structures of PPy wrap the adsorption material powder; and the granular adsorbent is formed through sedimentation and stacking.
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
84.
METHOD FOR IRON MAKING BY CONTINUOUS SMELTING REDUCTION
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) (China)
Inventor
Zhang, Tingan
Dou, Zhihe
Liu, Yan
Lv, Guozhi
Zhao, Qiuyue
Zhang, Zimu
Abstract
A method for iron making by continuous smelting reduction, including: (1) mixing iron- containing mineral powder with a reducing agent and a slag former to obtain mixed powder materials; (2) placing furnace startup materials in a reducing furnace, and heating the furnace startup materials to be in a molten state to form a furnace startup molten pool; (3) conveying the mixed powder materials into the reducing furnace, and blowing oxidizing combustibles into the reducing furnace for heating; (4) performing stirring by a stirring paddle to form a molten slag layer and a molten iron layer; and performing stirring so that a vortex is formed in the molten slag layer; and (5) adjusting a position of the stirring paddle, a stirring speed and a conveying quantity of the mixed powder materials to enable the molten iron and the reduced molten slag to be respectively continuously discharged.
p0; step 6, determining whether the gravity double-tube microwave-assisted grinding device capable of controlling ore thickness adopts a single-tube structure or a double-tube structure; and step 7, conveying the ores, performing heating, optimizing material parameters of the ores, and optimizing microwave parameters. By determining the feeding size of the ores and the material thickness, whether the gravity double-tube microwave-assisted grinding device capable of controlling ore thickness adopts the single-tube structure or the double-tube structure is determined, and the assisted grinding efficiency of a microwave equipment on the ores is improved.
B02C 19/18 - Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
B02C 23/00 - Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in groups or not specially adapted to apparatus covered by one only of groups
A portable intelligent robot for automatic measurement of a snow surface friction coefficient, relating to the technical field of mechatronic engineering and sports science. The robot comprises a mechanical system, a control system, and a power supply module. The power supply module supplies power for the mechanical system and the control system. The mechanical system comprises a power starting mechanism, a single-motor supporting and lifting/lowering mechanism, and a flywheel mechanism. The flywheel mechanism comprises shaft components connected to each other and a flywheel (2). The power starting mechanism provides power for rotation of the flywheel (2), so that the flywheel (2) rotates. The single-motor supporting and lifting/lowering mechanism achieves the ascending and descending of the flywheel (2). The control system comprises an upper computer, a lower computer, and a sensor module. The lower computer is connected to the sensor module. The upper computer communicates with the lower computer by means of a serial port. The sensor module collects test environment information and the rotational speed of the flywheel (2), and transmits the test environment information and the rotational speed to the lower computer. The upper computer calculates a snow surface friction coefficient according to data information received by the lower computer.
Provided is an LSTM-based hot-rolling roll-bending force predicting method including the steps of acquiring final rolling data of a stand of a stainless steel rolling mill when performing a hot rolling process, and dividing the data into a training set traindata and a test set testdata; normalizing the traindata; building a matrix P; using a last row of the matrix P as a label of the training set, namely a true value; calculating and updating an output value and the true value of a network; after network training is completed, taking the last m output data of the LSTM network as an input at a next moment, and then obtaining an output of the network at the next moment, wherein the output is a predicted value of the roll-bending force at the next moment; repeating the steps until a sufficient number of prediction data is obtained; and comparing the processed data with the true value in the testdata to check the validity of the network.
Provided is a test system for hard rock breaking by a microwave intelligent loading based on true triaxial stress, including: a true triaxial stress loading device consisting of a loading frame and a rock sample moving structure; a microwave-induced hard rock breaking device consisting of an excitation cavity, a rectangular waveguide, a magnetron, a thermocouple, a circulator, a cold water circulation device, a flowmeter, a power meter, an automatic impedance tuner, a coupler, a microwave heater and a shielding cavity; and a dynamic rock response monitoring and intelligent microwave parameter control system consisting of a CCD industrial camera, a temperature acquisition device and an anti-electromagnetic high-temperature resistant acoustic wave-acoustic emission integrated sensor. According to the test system, the microwave-induced hard rock breaking test, dynamic monitoring temperature and rock breaking in microwave-induced breaking process and intelligent control over microwave power and heating time are achieved.
A calculation and real-time monitoring method for the boundary of a tuyere raceway of a blast furnace, which relates to the technical field of blast furnace ironmaking processes. The method comprises: first establishing a depth calculation model for a raceway according to a formation principle for the tuyere raceway of a blast furnace, then, obtaining a calculation formula for the depth of the raceway, and obtaining a change rule of the depth of the raceway; then, establishing a boundary model of the tuyere raceway of the blast furnace by means of a depth model for the tuyere raceway of the blast furnace, and determining a calculation formula for the boundary of the raceway; then, obtaining a modeling parameter, analyzing the impact of the modeling parameter on the boundary model for the raceway, and determining a main parameter that affects the boundary of the raceway; finally, calculating the height of the raceway by using the calculation formula for the boundary of the raceway; and when the height of the raceway or the depth of the raceway exceeds a set range, restoring the height or depth of the raceway to a normal range by adjusting a blast air pressure and blast air volume. By means of the method, change conditions of the depth of a raceway and the boundary of the raceway can be monitored in real time, thereby providing safety guidance for actual production of a blast furnace.
A soft measurement modeling method for the temperature of a tuyere raceway of a blast furnace, which method relates to the technical field of blast furnace ironmaking production. The method comprises: firstly, collecting picture data of flame combustion in a tuyere raceway of a blast furnace, physical variable data that reflects an operation state of the blast furnace, and combustion temperature data of the tuyere raceway of the blast furnace; extracting a feature of the picture data of the flame combustion in the tuyere raceway of the blast furnace; then, establishing a multi-core least squares support vector regression model based on a Pearson correlation coefficient and least squares support vector regression, and taking same as a soft measurement model for the temperature of the tuyere raceway of the blast furnace; performing parameter optimization on the soft measurement model for the temperature of the tuyere raceway of the blast furnace by using sine and cosine optimization algorithms; and finally, taking a found optimal picture data kernel function parameter, physical variable kernel function parameter, and regularization parameter in the multi-core least squares support vector regression model as parameters of a final soft measurement model for the temperature of the tuyere raceway of the blast furnace, so as to realize prediction calculation of a combustion temperature of the tuyere raceway.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06K 9/62 - Methods or arrangements for recognition using electronic means
The invention relates to a low-power microwave coring machine suitable for lunar rocks and a use method. The low-power microwave coring machine suitable for lunar rocks comprises an equipment platform, wherein the support framework front plate and the support framework rear plate are mounted on the equipment platform in a sliding manner, a rear end surface of the support framework rear plate is connected with a front end of the microwave generator mounted on the equipment platform, a rear end of the microwave generator is sequentially connected with the fixed waveguide, the rotary waveguide, the power divider and the drill drum, the high-precision slip ring structure is mounted on the drill drum, the gear ferrules are arranged on an outer wall of the rotary waveguide and an outer wall of the drill drum.
A method for optimal shearing control of a steel billet based on depth vision comprises: setting up a depth camera and setting a world coordinate system; calibrating the parameters of the depth camera; acquiring RGB and depth views of a steel billet; by means of a pinhole camera model, obtaining three-dimensional coordinates of each pixel point, and then performing pre-processing by means of pass-through filtering and outlier removal; using a random sampling consistency algorithm to fit the plane of the upper surface of the steel billet, then projecting the plane to a 2D plane, and using a centre extension method to calculate an optimal shearing line; on the basis of the moving speed of the steel billet and the coordinates of the head of the position to be sheared, acquiring the distance between the head and the shearing edge, and calculating the moment to control the shearing of the shearing head. The system comprises a depth camera, a data preprocessing module, a detection module, and a visual servo module; the depth camera is mounted at the front end of the shearing opening and is connected to the data preprocessing module, and is used for collecting and transmitting an original RGB image and depth image; the data preprocessing module is used for transmitting processed three-dimensional data or two-dimensional images to the detection module after performing certain processing on the original two-dimensional images; the detection module is connected to the visual servo module, and is used for obtaining a result of the detection of the optimal shearing line; and the visual servo module is used for converting the result into a control signal. Image information is used for solving the problem of shearing line detection at the head and tail of a steel billet to achieve the objective of saving energy and materials; the world coordinate precision obtained by the depth camera is high, saving a complex calibration process, and the arrangement is simple.
G05B 19/408 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
B23D 31/00 - Shearing machines or shearing devices covered by none or more than one of the groups Combinations of shearing machines
G06T 3/00 - Geometric image transformations in the plane of the image
A method for controlling drilling for rock burst prevention drilling in a coal mine roadway is provided. The method comprises: acquiring rock mechanical parameters of coal mass in surrounding rock of a roadway to be subjected to burst-preventing drilling construction, and calculating a surrounding rock critical softening depth, a critical ground stress and a critical mining peak stress for rock burst initiation in the roadway; calculating a critical mining-induced stress index of the roadway to realize quantification of burst risk; then determining critical conditions for drillhole burst and a quantitative relationship between the critical conditions for drillhole burst and for roadway rock burst initiation; quantitatively determining construction parameters of burst-preventing drillholes according to the surrounding rock critical softening depth, a critical plastic softening zone radius for drillhole burst, and the critical mining-induced stress index; and controlling a drilling machine to operate according to the determined construction parameters.
E21B 44/00 - Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systemsSystems specially adapted for monitoring a plurality of drilling variables or conditions
E21B 49/00 - Testing the nature of borehole wallsFormation testingMethods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
E21D 9/00 - Tunnels or galleries, with or without liningsMethods or apparatus for making thereofLayout of tunnels or galleries
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Dou, Zhihe
Lv, Guozhi
Guo, Junhua
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
The present invention relates to the field of comprehensive utilization of copper slag, and relates to a molten copper slag depletion and side-top combined blowing reduction integrated method. Specific steps are: (1) molten copper slag is added to a depletion smelting zone from a feed port, and an oxygen-enriched fuel is sprayed to heat the copper slag; (2) a depletion agent is added to the molten copper slag from a depletion agent feed port, vortex depletion is performed under the action of vortexes formed by mechanical stirring or gas spray stirring, and copper matte obtained by the depletion is discharged from a copper matte outlet and returned to a main copper smelting process; (3) depletion slag overflows to a reduction zone, then a slagging agent and a reducing agent are added to a depletion slag smelting pool, the oxygen-enriched fuel is sprayed by means of a top spray gun, reduced CO is combusted and molten to heat the smelting pool to maintain thermal balance, and vortex smelting reduction is performed under the action of mechanical stirring or gas spray stirring; and (4) copper-containing molten iron obtained by reduction is discharged from a molten iron outlet, and reduction slag is discharged from a slag outlet. The present invention provides a new idea of a molten copper slag depletion and side-top combined blowing reduction integrated method, can implement the efficient recovery of valuable components, i.e., copper and iron, in copper slag, high-value slag-free 100% utilization, and implements the synergistic utilization of copper slag waste heat.
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Dou, Zhihe
Lv, Guozhi
Li, Xiaolong
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
A copper smelting-thermal state vortex depletion integrated method, belonging to the field of copper concentrate smelting. The method comprises: dehydrating and drying a copper smelting raw material by means of a high-temperature flue gas, and then making the copper smelting raw material continuously fall into a molten pool of a smelting area; at the same time, blowing oxygen-enriched air to a slag layer or a slag-copper matte interface position of the smelting area by means of spraying, smelting same for 0.5-1.5 h at 1150-1250ºC, and generating lower-layer copper matte and upper-layer molten copper slag; making the upper-layer molten copper slag overflow to a depletion area, and making the lower-layer copper matte flow into a copper matte area of the depletion area; and heating the molten copper slag to 1250-1350ºC, adding a depleting agent and a slag former thereto, stirring same to form a stable vortex, and carrying out vortex depletion for 0.5-2 h to obtain depleted slag and copper matte, such that the copper matte is discharged and used as a raw material for copper smelting to smelt copper, and the depleted slag can be directly subjected to reduction and iron extraction comprehensive utilization after being discharged. By means of the method, the copper content in the depleted slag can be reduced to 0.25% or less, and the recovery rate of copper is increased.
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Dou, Zhihe
Lv, Guozhi
Guo, Junhua
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
A comprehensive utilization method for bottom-top composite blowing smelting reduction of high-iron red mud, the method mainly comprising the following steps: mixing high-iron red mud with a reducing agent, a slag former and fluorite; adding the mixed raw materials into a molten pool of a reduction furnace, and performing a reduction reaction, wherein during the reduction process, oxygen-enriched air and fuel gas are blown from the top and a mixed gas of a reducing gas and oxygen is blown from the bottom; and carrying out bottom-top composite blowing smelting reduction to obtain low-sulfur and low-phosphorus pig iron and reducing slag, and hot-state reducing slag being subjected to tempering, centrifugation and wire drawing to prepare a rock wool product. By means of bottom-top composite blowing smelting reduction of the present invention, the continuous reduction of high-iron red mud can be achieved, a low-residue and high-quality pig iron product is directly obtained, and the reduction rate of iron reaches 95% or more, while the recovery rate of sodium oxide reaches 70% or more.
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Lv, Guozhi
Dou, Zhihe
Chao, Xi
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
A method for preparing a silicon-potassium-calcium compound fertilizer by using calcium-containing red mud, comprising the following steps: (1) mixing a mother solution containing potassium metaaluminate with the calcium-containing red mud, or mixing a mixed mother solution containing potassium metaaluminate and sodium metaaluminate with the calcium-containing red mud; (2) heating the mixed slurry to 210-260°C, stirring and leaching; (3) performing flash evaporation on the leached material, and then performing solid-liquid separation to obtain a transformation liquid and transformation slag; and a solid phase in the transformation slag being mainly potassium aluminosilicate hydrate, washing and drying to prepare the silicon-potassium-calcium compound fertilizer. According to the method in the present invention, an approach in which the calcium-containing red mud is leached by using the potassium metaaluminate mother solution is used, so that the silicon-potassium-calcium compound fertilizer can be prepared, and harmless utilization of the red mud is achieved; part of aluminum oxide and a large amount of sodium oxide in the red mud can be extracted, and valuable component recovery is achieved.
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Lv, Guozhi
Dou, Zhihe
Chao, Xi
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
44. In the method of the present invention, by means of leaching fly ash with a potassium hydroxide solution, the fly ash can be used as a silicon-potassium compound fertilizer, such that harmless utilization of the fly ash is achieved; and by means of leaching the fly ash with the potassium hydroxide solution, some aluminium oxide in the fly ash can be extracted.
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Dou, Zhihe
Lv, Guozhi
Li, Xiaolong
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
A copper slag thermal-state eddy current dilution method, comprising the following steps: (1) adding thermal-state copper slag to a dilution furnace to form a molten pool, heating the molten pool and maintaining the temperature using an electrode, or heating the molten pool and maintaining the temperature by means of blowing an oxygen-enriched fuel; (2) stirring the molten pool to form an eddy current; (3) adding a dilution agent for an eddy current dilution reaction; and (4) after the dilution reaction, stopping the stirring, discharging copper slag out of a copper slag layer, discharging materials out of a matte layer, and obtaining diluted slag and matte, respectively. By means of the method provided by the present invention, the uniformity of a temperature field in the dilution furnace is enhanced, the volatilization loss of the dilution agent under high-temperature conditions is reduced, the dilution reaction time is shortened, and the dilution effect is greatly improved.
DONGDA NONFERROUS SOLID WASTE TECHNOLOGY RESEARCH INSTITUTE (LIAOLING) CO., LTD (China)
Inventor
Zhang, Tingan
Dou, Zhihe
Lv, Guozhi
Guo, Junhua
Liu, Yan
Zhang, Zimu
He, Jicheng
Abstract
A comprehensive utilization method for side-top composite injection smelting reduction of high-iron red mud. The comprehensive utilization method mainly comprises the following steps: mixing high-iron red mud with a reducing agent, a slag former, and fluorite; adding the mixed raw materials into a reduction furnace molten pool for a reduction reaction, and in the reduction process, injecting mixed gas of reducing gas and oxygen to the side, and injecting oxygen-enriched air and fuel gas to the top; and obtaining low-sulfur and low-phosphorus pig iron and reducing slag after side-top composite injection smelting reduction, the thermal-state reducing slag being used for preparing rock wool products or directly water-quenched to prepare cement clinker after being subjected to tempering, centrifuging and wire drawing procedures. By means of the side-top composite injection smelting reduction of the present invention, continuous reduction of the high-iron red mud can be achieved, a low-residue high-quality pig iron product is directly obtained, the reduction rate of iron can reach 95% or above, and the yield of sodium oxide recycled in a flue gas form reaches 70% or above.
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