Abstract

Disclosed is a system capable of artificial neural network-based virtual measurement for predicting real-time fuel consumption property information, which is difficult to identify with only a conventional steam power generation fuel management system. The system comprises: a fuel management device for generating predetermined interval fuel consumption property information by using an analysis result to be input therein; a driving management device for generating driving information about the predetermined interval by using driving operation information to be input therein; and a real-time fuel consumption property prediction device which generates an artificial neural network-based virtual measurement model by referring to trends in the fuel consumption property information and the driving information, and which generates a prediction result of real-time fuel consumption property information by using the virtual measurement model.

IPC Classes  ?

• G06Q 50/06 - Energy or water supply
• G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
• G06Q 10/06 - Resources, workflows, human or project managementEnterprise or organisation planningEnterprise or organisation modelling
• G06N 3/08 - Learning methods

Abstract

The present invention provides a combustion state prediction device for a power plant boiler and a method thereof. The combustion state prediction device for a power plant boiler of the present invention includes: an operation variable input module for receiving an operation variable for operation of the boiler; an operation information database for storing operation information of the boiler; an output module for displaying prediction data; and a processor operatively coupled to the operation variable input module, the operation information database, and the output module, wherein the processor operates an execution program to predict a combustion state of the boiler on the basis of a prediction model based on an operation variable input from the operation variable input module and operation information of the boiler stored in the operation information database, and output prediction data through the output module.

IPC Classes  ?

• 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
• F22B 35/18 - Applications of computers to steam-boiler control
• G06F 111/04 - Constraint-based CAD
• G06F 119/08 - Thermal analysis or thermal optimisation
• G06F 111/10 - Numerical modelling

Abstract

A turbine blade erosion measurement system of the present invention comprises: a light irradiation device that irradiates light so as to generate difference in brightness in order to distinguish a measurement area during inspection of the turbine blade; an optical image acquisition device that generates an optically photographed image of the surface of the blade; and an image analysis and erosion calculation device that analyzes the image photographed by the optical image acquisition device and calculates the amount of erosion of the blade, wherein the light irradiation device and the optical image acquisition device face each other, having a blade to be analyzed stationed there-between, and move in parallel along the circumferential direction of the turbine, while taking images of the blade to be analyzed, and the image analysis and erosion calculation device may calculate the amount of erosion by adding up the amount of erosion at a plurality of measurement spots located inside the blade.

IPC Classes  ?

• G01N 21/88 - Investigating the presence of flaws, defects or contamination
• G06T 7/00 - Image analysis

Abstract

The present invention provides a system for collecting tripper room fugitive dust of a power plant coal transfer facility, wherein the system includes an entrance dust collection module disposed at the entrance of a tripper room to block dust; a tripper car configured to move along a transfer conveyor disposed inside the tripper room and transfer fuel introduced through the entrance to silos; and a main dust collection module configured prevent spread of dust by removing dust in response to movement of the tripper car and adjusting the pressure at the point where dust is generated.

IPC Classes  ?

• B08B 15/00 - Preventing escape of dirt or fumes from the area where they are producedCollecting or removing dirt or fumes from that area
• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Disclosed is a belt cleaning apparatus, for a belt conveyor, comprising: a dust-collecting roller coming into close contact with the lower part of a conveyor; a corrugated ring rod disposed at a predetermined angle interval from the surface of the dust-collecting roller; and a pressure rod for pressing the conveyor belt against the dust-collecting roller.

IPC Classes  ?

• B65G 45/24 - Cleaning devices comprising plural diverse cleaning devices
• B65G 45/10 - Cleaning devices
• B65G 45/22 - Cleaning devices comprising fluid applying means
• B08B 7/02 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
• B08B 5/04 - Cleaning by suction, with or without auxiliary action

Abstract

The present invention relates to a method for generating drone flight route information for diagnosis of a water-floating type solar panel, the method automatically generating, regardless of the changing location of a water-floating type photovoltaic power plant, drone flight route information required for fault diagnosis of the solar panel provided at the water-floating type photovoltaic power plant, which is provided on water such as that of a river, sea and lake and changes location frequently, and comprising a first step (S100), a second step (S200), a third step (S300), a fourth step (S400), a fifth step (S500), a sixth step (S600) and a seventh step (S700).

IPC Classes  ?

• G05D 1/10 - Simultaneous control of position or course in three dimensions
• G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
• G06F 16/587 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
• G01S 19/01 - Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
• H02S 50/00 - Monitoring or testing of PV systems, e.g. load balancing or fault identification

Abstract

The present invention proposes an apparatus for draining or injecting oil from or into the inside of a yaw drive housing of a wind power generator. According to the present invention, a body (12) includes a ring mounting hole (12e) which is formed on the inner side thereof, and an oil hole (12c) which is connected to the ring mounting hole, has a diameter smaller than the ring mounting hole, and is installed on the outer side thereof. An oil passage ring (14) is screw-coupled to the inside of the ring mounting hole (12e) of the body (12) to maintain a predetermined position, and includes a plurality of oil passage holes (14a). In addition, an opening/closing cap (18) is elastically supported, inside the body (12), in the direction of closing the oil hole (12c), by a spring (16) having one end portion supported on the oil passage ring (14). Therefore, when the opening/closing cap (28) is spaced apart from the oil hole (12c), oil can be supplied to or recovered from the inside of the yaw drive housing through the oil hole (12c) and the oil passage holes (14a).

IPC Classes  ?

• F03D 80/70 - Bearing or lubricating arrangements
• F16N 31/00 - Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus

Abstract

The present invention provides a system for collecting scattered dust in a tripper room for coal-carrying equipment of a power plant, the system comprising: an entrance dust-collecting module disposed at an entrance of a tripper room to block dust; a tripper car formed to move along a transport conveyor placed in the tripper room and carry, to silos, fuel received through the entrance; and a main dust collector module formed to remove dust in response to movement of the tripper car and to prevent spreading of dust by adjusting the pressure at a point where dust is generated.

IPC Classes  ?

• B08B 15/00 - Preventing escape of dirt or fumes from the area where they are producedCollecting or removing dirt or fumes from that area
• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

The present invention relates to a hole transporting material for a solar cell, and to a solar cell comprising same in a hole transporting layer, wherein the hole transporting material according to the present invention exhibits an improved performance of a solar cell device including PCE, lasts a long time before deteriorating, and has stability, in comparison with a spirobifluorene-type hole transport material of the prior art.

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
• H01L 31/0256 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by the material

Abstract

The present disclosure relates to a stand-alone buoy with a seawater battery, which includes a main body formed to have a predetermined buoyancy so as to float on seawater and provided with a seawater space therein and an inlet formed to introduce the seawater into the seawater space, a position notification part installed on the main body and configured to notify a user of a position of the main body, a solar cell part installed on the main body and configured to generate electricity using sunlight, and a seawater battery unit installed in the seawater space to be submerged in the seawater introduced into the seawater space and configured to react with the seawater to store the electricity provided from the solar cell part and to provide the stored electricity to the position notification part so as to operate the position notification part.

IPC Classes  ?

• H02S 40/38 - Energy storage means, e.g. batteries, structurally associated with PV modules
• H01M 6/34 - Immersion cells, e.g. sea-water cells
• B63B 22/00 - Buoys
• H02S 20/30 - Supporting structures being movable or adjustable, e.g. for angle adjustment
• H01M 10/46 - Accumulators structurally combined with charging apparatus

Abstract

A bent rotor straightening method using low-frequency induction heating and a bent rotor straightening apparatus using the method are proposed. The bent rotor straightening method using low-frequency induction heating according to an embodiment of the present invention includes: calculating a heating speed when a first target temperature for correcting bending of a rotor using low-frequency induction heating is set; maintaining the first target temperature for a heating time determined on the basis of a diameter of the rotor when the first target temperature is reached, when performing primary thermal correction at the heating speed; checking whether a bending amount of the rotor reaches a predetermined critical value in accordance the result of performing the primary thermal correction; and finishing correction of bending of the rotor in accordance with the result of checking the bending amount of the rotor.

IPC Classes  ?

• B21D 3/16 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially-adapted methods or means
• B21D 37/16 - Heating or cooling

Abstract

2 separation membrane module and separately discharge permeated gas, to a permeation line, and separately discharge passed gas to a passage line; a discharge line configured to combine the gases and discharge the combined gas to the outside of the system; an analyzer part configured to collect each of the gas, analyze components thereof, and evaluate performance of the module; a refiner part to remove pollutants; a measurer part to measure a flow rate, a temperature, and a pressure; and a controller part to determine a state of the overall system.

IPC Classes  ?

• B01D 65/10 - Testing of membranes or membrane apparatusDetecting or repairing leaks
• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials
• B01D 71/02 - Inorganic material

Abstract

The present invention relates to an electrode structure, a method of manufacturing the same, and a secondary battery including the same, and the electrode structure may include a negative electrode part; a positive current collector which is formed of a fabric material and surrounds an outer surface of the negative electrode part; and a positive electrode coupled to an edge of the positive current collector.

IPC Classes  ?

• H01M 50/531 - Electrode connections inside a battery casing
• H01M 4/74 - Meshes or woven materialExpanded metal
• H01M 4/78 - Shapes other than plane or cylindrical, e.g. helical
• H01M 50/543 - Terminals
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Disclosed is a method comprising the steps of: preparing an electrolyte containing a metal oxide active material precursor; and forming a metal oxide coating layer by loading a titanium (Ti) substrate into the electrolyte, wherein the metal oxide coating layer is formed by applying a pulse form of electromotive force (electric energy) to the titanium substrate in the metal oxide coating layer-forming step.

IPC Classes  ?

• C25D 9/08 - Electrolytic coating other than with metals with inorganic materials by cathodic processes
• C25D 17/10 - Electrodes
• C25D 21/12 - Process control or regulation
• C25B 11/04 - ElectrodesManufacture thereof not otherwise provided for characterised by the material
• C25B 11/03 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
• C25B 1/34 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis

Abstract

The present invention relates to a bent rotor straightening method using low frequency induction heating, and a bent rotor straightening apparatus using same. A bent rotor straightening method using low frequency induction heating according to an embodiment of the present invention comprises the steps of: calculating a heating rate in accordance with setting of a first target temperature for straightening a bent rotor by means of low frequency induction heating; in performing primary heat treatment straightening at the heating rate, retaining for a heating time determined in accordance with the diameter of the rotor at the first target temperature when the first target temperature is reached; confirming whether or not the bending amount of the rotor reaches a predetermined threshold in accordance with the result of the primary heat treatment straightening; and ending the straightening of the bent rotor in accordance with the confirmation result of the bending amount of the rotor.

IPC Classes  ?

• B21D 3/16 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially-adapted methods or means
• B21D 37/16 - Heating or cooling

Abstract

A separation membrane module according to the present invention comprises: an enclosure forming an inner space; a first pipe passing through any one surface of the enclosure and allowing a gas mixture to flow into the inner space; separation membrane assemblies forming a separated space and allowing a first gas in the gas mixture to flow into the separated space; a second pipe which passes through the enclosure, communicates with the separated space and is for discharging the first gas which has flowed into the separated space out of the enclosure; and a third pipe which passes through the enclosure, communicates with the inner space and is for discharging the rest of the gas mixture excluding the first gas out of the enclosure, wherein the separation membrane assemblies are in a flat shape and can be provided in a plurality in one direction.

IPC Classes  ?

• B01D 63/08 - Flat membrane modules
• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion

Abstract

2 concentration, which is discharged from the separation membrane module, to the outside of the plant; a measurer configured to measure information; and a controller configured to determine the presence of an abnormality, wherein the controller determines whether the plant is in an abnormal situation.

IPC Classes  ?

• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 65/10 - Testing of membranes or membrane apparatusDetecting or repairing leaks
• G01N 15/08 - Investigating permeability, pore volume, or surface area of porous materials

Abstract

A method for designing a carbon dioxide capture process, according to the present invention, comprises: a target setting step of setting a target purity and a target capture ratio; a calculation step of calculating the number of stages, which is the number of separation membrane modules forming a permeate side flow chain, and the number of treatments, which is the number of separation membrane modules forming a pass side flow chain, by using the target purity, the target capture ratio, and separation performance data of the separation membrane module, which treats injected gas so as to discharge the same as a permeate side flow and a pass side flow; and an arrangement step of arranging the separation membrane modules of which the number is the same as the calculated number of stages along the permeate side flow chain, and arranging the separation membrane modules of which the number is the same as the calculated number of treatments along the pass side flow chain such that the pass side flow chain receives the injected gas so as to discharge a discard flow, and thus the carbon dioxide capture process, which includes the permeate side flow chain receiving the injected gas so as to discharge a final carbon dioxide discharge flow and the pass side flow chain receiving the injected gas so as to discharge the discard flow, is formed.

IPC Classes  ?

• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 65/10 - Testing of membranes or membrane apparatusDetecting or repairing leaks

Abstract

The circulating fluidized bed boiler, according to the present invention, comprises: a combustion unit for combusting a fuel material; a collection unit connected to the combustion unit, for collecting the fuel material; a distribution unit provided to the collection unit, for distributing the fuel material; a recovery unit connecting the distribution unit and the combustion unit, for guiding part of the fuel material in the distribution unit to the combustion unit; and a heat exchange unit connecting the distribution unit and the combustion unit, for guiding the fuel material in the distribution unit to the combustion unit, and for inducing mixing of the fuel material to absorb heat while inhibiting channeling of the fuel material from occurring.

IPC Classes  ?

• F22B 31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatusArrangements or dispositions of combustion apparatus
• F22B 31/08 - Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion

Abstract

According to the present invention, a circulating fluidized bed boiler comprises: a combustion part for combusting fuel; a heat exchange part mounted in the combustion part and absorbing heat from the fuel moving downward along the inside of the combustion part; a collection part connected to the combustion part so as to collect the fuel; a backflow prevention part formed in the collection part; a combustion guide part for connecting the backflow prevention part and the combustion part and guiding the fuel to the combustion part; and a heat-exchange guide part connected to the backflow prevention part and guiding the fuel such that the heat of the fuel is exchanged.

IPC Classes  ?

• F22B 31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatusArrangements or dispositions of combustion apparatus

Abstract

The present invention relates to a device for evaluating the combustion of a fuel for a fluidized bed boiler and to a fuel combustion evaluation method using same. In a specific embodiment, the device for evaluating the combustion of a fuel for a fluidized bed boiler includes: a combustion chamber for fluidized combustion of a fuel and a fluidizing medium; a fuel supply part provided at one side of a lower portion of the combustion chamber to supply the fuel to the combustion chamber; a cyclone connected to an upper portion of the combustion chamber to separate solid particles and flue gas, which are discharged from the combustion chamber; a downcomer connected to a lower portion of the cyclone through a connecting line to collect the solid particles; and a loop-seal connected to a lower portion of the downcomer to store the solid particles.

IPC Classes  ?

• G01N 33/22 - FuelsExplosives
• G01N 25/00 - Investigating or analysing materials by the use of thermal means

Abstract

A device for controlling thyristor firing by using a three-phase voltage ratio according to an embodiment of the present invention may comprise: a three-phase ratio waveform generator for generating a ratio waveform by calculating ratios of absolute values of respective three-phase line voltages having a constant phase difference with respect to a sum of the absolute values of the three-phase line voltages; and a firing pulse generator for comparing a control firing angle input from a controller with one waveform selected from among the three-phase ratio waveforms, and outputting a firing pulse of the thyristor.

IPC Classes  ?

• H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
• H02M 7/145 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means

Abstract

The present invention relates to a sodium bicarbonate preparation apparatus using combustion exhaust gas and a sodium bicarbonate preparation method using the same. In one specific embodiment, the sodium bicarbonate preparation apparatus using the combustion exhaust gas comprises: a first reactor for bringing a caustic soda solution supplied from the upper portion thereof and the combustion exhaust gas flowing in from the lower portion thereof in contact with each other so as to produce a first treated gas and a first slurry; and a second reactor including a first reaction part formed at the lower portion thereof, and a second reaction part formed at the upper portion of the first reaction part so as to communicate with the first reaction part, allowing the first treated gas to branch into the lower portion of the first reaction part and the lower portion of the second reaction part and flow thereinto through a first gas line, and allowing the first treated gas having flowed into the lower portion of the first reaction part and the lower portion of the second reaction part to respectively come in contact with the caustic soda solution flowing in from the upper portion of the second reaction part.

IPC Classes  ?

• C01D 7/07 - Preparation from the hydroxides
• B01J 19/24 - Stationary reactors without moving elements inside

Abstract

The present invention relates to a system for evaluating the performance of a carbon dioxide separation membrane module and a device therefor, the system comprising: a simulation gas supply line for simulating the gas composition of boiler exhaust gas and supplying the same to a module unit; the module unit, which comprises the carbon dioxide separation membrane module, and makes the simulation gas permeate the carbon dioxide separation membrane module such that a permeation gas, having permeated a separation membrane, is separately discharged to a permeation line and a passing gas, not having permeated the separation membrane, is separately discharged to a passing line; a discharge line for discharging, to the outside of the system, the gases discharged from both the permeation line and the passing line; an analysis unit, which respectively collects the gas supplied from the supply line to the module unit and the permeation gas and the passing gas discharged from the module unit, so as to analyze components of the collected gases, and evaluates the performance of the module; a refinement unit provided on each of the permeation line, the passing line, and the discharge line so as to remove pollutants from the gas passing through each line; a measurement unit for measuring a flow rate, a temperature, and a pressure through measurement instruments provided on each of the gas supply line, the permeation line, the passing line, and the discharge line; and a control unit for determining the state of the entire system through information collected from the analysis unit and the measurement unit and causing an operation corresponding to the determination result.

IPC Classes  ?

• G01M 99/00 - Subject matter not provided for in other groups of this subclass
• B01D 65/10 - Testing of membranes or membrane apparatusDetecting or repairing leaks

Abstract

The present invention relates to a system for detecting an abnormality of a carbon dioxide separation membrane plant, comprising: an inlet part for introducing, into the plant comprising carbon dioxide separation membrane modules, gas containing carbon dioxide; an injection hole for supplying, to each carbon dioxide separation membrane module, the gas containing carbon dioxide; the separation membrane module for making the supplied gas permeate a carbon dioxide separation membrane, and separately discharging the supplied gas such that gas having a relatively high carbon dioxide concentration, having permeated the separation membrane, is discharged through a first discharge port, and gas having a relatively low carbon dioxide concentration, not having permeated the separation membrane, is discharged through a second discharge port; a permeation part for discharging, to the outside of the plant, the gas having a relatively high carbon dioxide concentration and discharged from the separation membrane module; a retention part for discharging, to the outside of the plant, the gas having a relatively low carbon dioxide concentration and discharged from the separation membrane module; a measurement unit for measuring information including flow rate, carbon dioxide concentration and pressure in the inlet part, the permeation part and the retention part; and a control unit for determining whether the information collected from the measurement unit is abnormal, wherein the control unit determines whether the plant is in an abnormal state.

IPC Classes  ?

• B01D 65/10 - Testing of membranes or membrane apparatusDetecting or repairing leaks
• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion

Abstract

There is provided a pipeline inspection device including: a body part contacting a pipeline and accommodating the pipeline; a coupling part coupled to the body part to enclose the pipeline; and a sensor part including a sensor on at least one of one side of the body part and one side of the coupling part which are in contact with the pipeline to inspect an internal state of the pipeline. The pipeline inspection device according to exemplary embodiments is capable of inspecting pipelines without increasing a gap between the pipelines even in a case in which the gap therebetween is relatively narrow, and is capable of readily and rapidly inspecting a large area of pipelines.

IPC Classes  ?

• F16L 55/26 - Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
• G01B 17/02 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations for measuring thickness
• G01N 29/24 - Probes
• G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
• G01N 29/04 - Analysing solids
• F16L 101/30 - Inspecting, measuring or testing

Abstract

The present invention relates to a piping inspection device configured to include: a body section which is in contact with piping so as to accommodate the piping; a coupling section which is connected to the body section so as to surround the piping; and a sensor unit which is provided with a sensor on at least one of one side of the body section in contact with the piping and one side of the coupling section so as to check the state of the piping. According to the piping inspection device of one embodiment of the present invention, the inspection can be performed without having to widen the gap between the piping even if the gap between the piping is narrow, and a wide range of piping can be inspected with ease and rapidity.

IPC Classes  ?

• G01B 17/04 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
• G01N 29/04 - Analysing solids

Abstract

The present invention relates to oxygen carrier particles, the material composition of which includes: an active material containing a metal oxide; and a support material which contains hydrotalcite or a mixture of hydrotalcite and gamma-alumina. The use of the support material of the present invention enables the manufacture of oxygen carrier particles having high reactivity and physical characteristics, such as high strength, even at a low firing temperature so as to be suitable for use in a liquid layer process.

IPC Classes  ?

• C01B 13/14 - Methods for preparing oxides or hydroxides in general
• C01B 13/02 - Preparation of oxygen
• B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
• F23C 10/18 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles DetailsAccessories

Abstract

The present invention relates to oxygen donor particles for chemical looping combustion or chemical looping reforming, having minimized consumption of oxygen donor particles, physical characteristics suitable for a fluidized bed process, and excellent reactivity. The present invention relates to oxygen donor particles used in chemical looping combustion for burning gaseous, solid fuel or chemical looping reforming for producing a synthetic gas or hydrogen through partial oxidation of fuel, wherein a solid material of the oxygen donor particles comprises 40-80 wt% of nickel oxide (NiO) as an active material, and 20-60 wt% of ceramic and clay as a support for providing specific surface area and strength. Therefore, carbon dioxide can be fundamentally separated without deterioration of thermal efficiency or a synthetic gas can be produced with low cost by developing chemical looping combustion or chemical looping reforming by essentially using high performance oxygen donor particles with a high level of technical quality and by replacing known combustion methods or synthetic gas production methods.

IPC Classes  ?

• C01B 13/08 - Preparation of oxygen from air with the aid of metal oxides, e.g. barium oxide, manganese oxide
• C01B 3/36 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents

Abstract

Disclosed is a method for tracing an industrial plant trip-cause. In the disclosed system for tra cing a trip-cause, the system including: a trip logic unit including at least one logic operator, which is for receiving a logic input signal and outputting a trip determination signal; a storage unit for storing the logic input signal and internal signals within the trip logic unit; and a tracing unit, when the trip determination signal is determined as a trip value, for tracing back an internal signal changed just before output of the trip value from among signals from an input signal for the trip determination signal to the logic input signal by stages by searching the storage unit, and detecting a trip cause logic input signal, wherein the input signal corresponds to any internal signal having the trip determination signal as an output value, from among the internal signals.

IPC Classes  ?

• 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]

Abstract

Disclosed herein is a dry regenerable sorbent for carbon dioxide capture from flue gas produced by fossil fuel-fired power plants including industrial boilers before being released to atmosphere or from fuel gas stream such as syngas produced by conversion of fossil fuel (e.g. gasification), by dry regenerable sorbent technology. The dry regenerable sorbent comprises: 70 wt % or less of an active component selected from solid compounds capable of being converted to metal carbonates; 70 wt % or less of a support selected from solid porous non-metallic materials capable of imparting a required specific surface area to the sorbent; and 70 wt % or less of an inorganic binder selected from cement-like, clay-like, and ceramic-like binders capable of imparting mechanical strength to the sorbent, the total weight of the solid raw materials being 100 wt %.

IPC Classes  ?

• B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
• B01D 53/62 - Carbon oxides
• B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes