Disclosed in the present utility model is a low-rank coal pyrolysis rotary kiln capable of waste heat recovery, which comprises a stock bin and heat exchange structures. An inclined rotary structure is fixedly installed on the surface of one side of the stock bin, and a combustion structure is fixedly installed on the surface of one side of the inclined rotary structure. There are two heat exchange structures; a conveying structure is fixedly connected to the surfaces of the heat exchange structures; a flue gas filtering structure is fixedly mounted on the surfaces on one side of the heat exchange structures by means of the conveying structure; and a dust settling structure is fixedly mounted on the surface of one side of the flue gas filtering structure. The flue gas filtering structure comprises a bottom plate, a smoke discharge hopper, a filtering cylinder, a drawer, a waste water pipe, an air inlet and a support plate, the smoke discharge hopper being fixedly mounted on the upper surface of the filtering cylinder. The low-rank coal pyrolysis rotary kiln capable of waste heat recovery of the present utility model can easily filter out dust in waste heat and then treat same, thereby improving the heat exchange efficiency of waste heat and water.
C10B 53/04 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de charbon pulvérulent
2.
LOW-RANK COAL PYROLYSIS ROTARY KILN CAPABLE OF CYCLIC UTILIZATION OF PYROLYSIS GAS
Disclosed in the present invention is a low-rank coal pyrolysis rotary kiln capable of cyclic utilization of pyrolysis gas, which comprises a rotary kiln body and a pyrolysis gas circulating conveying apparatus. The pyrolysis gas circulating conveying apparatus comprises a separation device and a sweeping device. The separation device comprises a treatment portion, a separation plate, a connection portion, a three-way valve, control units, rotating shafts, blocking plates, longitudinal separation members, a fluid channel and an energy storage portion. The sweeping device comprises ratchet wheel plates, bar-shaped assembling members, racks, an inverted-U-shaped sliding plate, a loading box, a connection base and a sweeping tool. The separation device and the sweeping device are formed by means of assembly in a motion linkage mode, and the separation device and the sweeping device are assembled into the whole pyrolysis gas circulating conveying apparatus by means of a motion linkage mode, so as to achieve cyclic utilization of pyrolysis gas. The rotary kiln is easy to disassemble to be cleaned, thereby greatly improving the cyclic utilization ratio of pyrolysis gas.
C10B 47/30 - Autres procédés dans des fours ou cornues tournants
C10B 57/00 - Autres procédés de carbonisation ou de cokéfactionCaractéristiques générales des procédés de distillation destructive
B01D 46/56 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs avec plusieurs éléments filtrants, caractérisés par leur disposition relative
B01D 46/681 - Régénération de la substance filtrante ou des éléments filtrants à l'intérieur du filtre par des moyens agissant du côté du gâteau et impliquant un mouvement par rapport aux éléments filtrants par des grattoirs, des brosses ou similaires
3.
INDIRECT TEMPERATURE MEASURING DEVICE FOR PYROLYSIS KILN CYLINDER
An indirect temperature measuring device for a pyrolysis kiln cylinder, comprising an outer cylinder body (1), wherein an inner cylinder body (2) is arranged inside the outer cylinder body (1); a temperature measuring mechanism (3) is provided to measure the temperature of the inner cylinder body (2) of a pyrolysis kiln in a matched manner; a thermal resistor (10) is inserted into a sleeve (4) and a nut (15) on a connecting ring (13) is inserted into a flange hole (12) on a flange (11), and then the nut (15) is screwed into a threaded short rod (14), such that the thermal resistor (10) and the connecting ring (13) are fixed together, and a junction box (9) is rotated clockwise to indirectly drive a rotating ring (18) to rotate by means of a compression spring (17) on the bottom surface of the connecting ring (13), such that a limiting block (16) moves from a limiting lateral opening (8) into a vertical opening (7); and the limitation on the compression spring (17) is released, such that the compression spring (17) performs a retraction recovery operation to drive the connecting ring (13) to move downwards so that the thermal resistor (10) moves downwards along the sleeve (4), and the bottom end part of the thermal resistor is tightly attached to the outer surface of the inner cylinder body (2) under the elastic force of the compression spring (17), thereby ensuring that the inner cylinder body (2) is not affected by a hot state, a cold state and the temperature measurement position during indirect temperature measurement.
G01K 1/14 - SupportsDispositifs de fixationDispositions pour le montage de thermomètres en des endroits particuliers
G01K 7/16 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs
A pyrolysis rotary kiln for low-rank coal, the kiln belonging to the field of pyrolysis rotary kilns. The pyrolysis rotary kiln comprises a cylinder device (1), wherein a feeding device (18) and a transmission device (19) are provided at one end of the cylinder device (1), and a discharge device (21) is mounted at the other end of the cylinder device (1); an exhaust device (20) is mounted on the cylinder device (1) close to the feeding device (18), and a combustion chamber (3) is provided on the cylinder device (1) close to the discharge device (21); and the cylinder device (1) consists of a hot-air tube bundle (2), a feeding-end support (4), a discharge-end support (5), a thermally insulating material (6), an inner cylinder (7), an outer cylinder (8) and a slag discharge opening (25), the thermally insulating material (6) being located between the inner cylinder (7) and the outer cylinder (8). The present invention solves the problem of the tight and difficult position arrangement of a central exhaust tube and a coal feeding position in a small pyrolysis kiln, and also solves the problem of, when the pyrolysis kiln is in a hot state, the path of a pyrolysis tube (12) from a discharge end of the inner cylinder (7) to a feeding end thereof and then to the outer cylinder (8), and the corresponding displacements of different parts of a kiln cylinder caused by different temperature rises having different impacts on the structure and sealing performance of the cylinder, etc. The present invention has a rational structure, is easily manufactured, and achieves high-efficiency pyrolysis of low-rank coal.
A welding process method suitable for rolling of ultra-thick stainless steel composite plates. The method comprises: selecting plates (2) to be welded, and performing groove (3) processing on the plates (2) to be welded; preheating a welding area; pairing the plates (2) to be welded, and during welding, first welding two sides of the groove between each pair of base layers (21) by using a slope surfacing welding method, and then performing filling and capping welding on each pair of base layers (21); performing dehydrogenation treatment and non-destructive testing on the welding seam after the welding of the base layers (21) between each pair of plates (2) to be welded is completed; sequentially performing welding of a transition welding seam and welding of a coating on transition layers (22) between each pair of plates (2) to be welded; and then performing non-destructive testing on the whole welding seam of each pair of plates (2) to be welded, and performing destressing treatment. Plates welded according to the welding process method can be prevented from forming cracks or being broken near a welding seam in a rolling process of the plates to be welded, and the defects of the existing welding process technology are overcome.
B23K 31/02 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs au brasage ou au soudage
6.
VERTICAL MILL HAVING GRINDING ROLLER WITH BALL STUDS, AND GRINDING ROLLER AND GRINDING DISC
Disclosed are a vertical mill having a grinding roller with ball studs, and a grinding roller and a grinding disc. The vertical mill comprises a grinding disc (4) and a grinding roller (5), wherein a plurality of uniformly arranged ball studs (6) are inserted into a grinding roller body (51) of the grinding roller (5) along the outer surface thereof; each ball stud (6) is inserted into an insertion hole (511) corresponding thereto of the grinding roller body (51); a grinding disc lining (7) is arranged at the position of the grinding disc (4) facing the top of the grinding roller (5); a plurality of ball studs (6) which are uniformly arranged and inserted into the inner wall thereof are also arranged in the inner wall of the grinding disc lining (7); and each ball stud (6) is provided with an exposed ball head part (61), an insertion part (62) and an insertion ball head part (63). The vertical mill with the structure, and the grinding roller and the grinding disc make the cement vertical mill form a stable material layer more easily, thereby reducing vibration, and the service life of the grinding roller and of the grinding disc lining is further prolonged, the running rate of an apparatus is further improved, and the ball studs are easy to mount and replace, and the replacement period thereof is relatively short.
211k11' of the matching pinion and other known design parameters. The gear-formation-oriented machining method for a matching gear can realize precise manufacturing with the gear sliding rate difference approaching zero, is used for the manufacturing of low-speed heavy-load matching gears, and can prolong the service life of the gears and reduce the transmission power consumption.
A multi-roller vertical cement roller mill (20) having alternately standby grinding rollers, being used for milling materials, and comprising: a grinding disk (5) for placing materials; a plurality of grinding roller groups (17) provided above the grinding disk (5), each grinding roller group (17) having two grinding rollers (1-4) symmetrically provided on two sides of the grinding disk (5); a plurality of swing mechanisms (19) correspondingly connected to the grinding rollers (1-4), and each swing mechanism (19) being used for controlling the swing grinding of the corresponding grinding roller (1-4); and a hydraulic control device (6) connected to the plurality of swing mechanisms (19), the hydraulic control device (6) being able to selectively control one grinding roller group (17) of the plurality of grinding roller groups (17) to swing to grind materials by means of the plurality of swing mechanisms (19), while the remaining grinding roller groups (17) do not work so as to be maintained or cleaned.
The present invention relates to a fly ash ultra-fine pulverizing system with multi-stage cycle processing and pre-dispersion. The fly ash ultra-fine pulverizing system with multi-stage cycle processing and pre-dispersion comprises: a feeding device; a first regulating valve; a second regulating valve; a third regulating valve; a fourth regulating valve; a pre-dispersion device connected to the feeding device; a V-type coal pulverizer provided with a material inlet, a coarse material discharge port, a fine material outlet and an air inlet, the material inlet being connected to the pre-dispersion device, and the air inlet being connected to cold air via the first regulating valve; a vertical roller mill provided with a roller mill material inlet, a dust removal port and a roller mill material discharge port, the roller mill material inlet being connected to the coarse material discharge port in the V-type coal pulverizer, the roller mill material discharge port being connected to the feeding device or the pre-dispersion device, and the dust removal port being connected to the air inlet in the V-type coal pulverizer; a first air lock valve; a second air lock valve; and a third air lock valve. The present invention performs cycle processing of powder materials by means of a four-stage cycle treatment process, so that the powder materials are more finely ground, and material waste is reduced.
B02C 21/00 - Installations de désagrégation avec ou sans séchage des matériaux
B02C 23/32 - Passage de gaz au travers de la zone de broyage ou de désagrégation avec retour des matériaux hors dimension à la zone de broyage ou de désagrégation
B02C 23/14 - Séparation ou triage de matériaux, associé au broyage ou à la désagrégation au moyen de plusieurs séparateurs
10.
CLASSIFICATION DESTRUCTIVE DISTILLATION EQUIPMENT FOR LIGHTWEIGHT OIL SHALE
A classification destructive distillation equipment for lightweight oil shale, comprising: connected in sequence, a crushing device (1), a compression and classification device (2), an oil-gas separation device (3), a sandblasting destructive distillation device (4), a filter (10), an oil-gas dust remover (9) and an oil collecting device (11). The compression and classification device (2) is of a cylindrical structure and comprises: connected top to bottom in sequence, a compression and classification chamber (5), a mesh screen (6) capable of moving up and down, and a primary destructive distillation calcining chamber (7). The diameter of the compression and classification chamber (5) is larger than that of the primary destructive distillation calcining chamber (7). The mesh screen (6) capable of moving up and down is driven by means of a power supply (16) capable of moving up and down so as to do an up-and-down reciprocating movement in the compression and classification chamber (5) to screen oil shale particles. A small-particle oil shale outlet (51) is further provided close to the top of the compression and classification chamber (5); the small-particle oil shale outlet (51) conveys small-particle oil shale to the sandblasting destructive distillation device (4) by means of a conveying pipe; the sandblasting destructive distillation device (4) comprises a vertical sandblasting segment (41) and a secondary calcining device (42). The primary destructive distillation calcining chamber (7) is further connected with the secondary calcining device (42).
C10B 53/06 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de schistes ou roches bitumineux
C10B 57/02 - Procédés de carbonisation ou de cokéfaction à phases multiples
C10B 47/30 - Autres procédés dans des fours ou cornues tournants
11.
COMPRESSION CALICINATION-TYPE OIL SHALE DRY DISTILLATION SYSTEM
A compression calcination-type oil shale dry distillation system, comprising a crushing device (1), a compression classification device (2), a sand blasting dry distillation device (4), a filter (10), an oil-gas separation device (3), an oil-gas dust remover (9) and an oil receiving device (11), which are connected in sequence. The compression classification device (2) comprises a bag-type classification compression chamber (5), a fixed mesh screen (6) and a level 1 dry distillation calcination chamber (7), which are connected in sequence; the bag-type classification compression chamber (5) is externally provided with a vertically expanding power source (16) and expandable sleeve (18), and an automatic recovery device (19); a fine particle oil shale exit (51) transports fine particle oil shale by means of a transport pipe (8) to the sand blasting dry distillation device (4), and the sand blasting dry distillation device (4) comprises a vertical sand blasting portion (41) and a level 2 calcination device (42); and the level 1 dry distillation calcination chamber (7) is further connected to the level 2 calcination device (42).
C10B 53/06 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de schistes ou roches bitumineux
C10B 57/02 - Procédés de carbonisation ou de cokéfaction à phases multiples
C10B 47/30 - Autres procédés dans des fours ou cornues tournants
12.
VERTICAL MILL HAVING SINGLE-AXIS SWING ROLLING MILL ROLLER
A vertical mill having a single-axis swing rolling type mill roller, comprising a grinding roller (1) installed in a bottom portion grinding disc (4) of a body (5) of a vertical mill, the grinding roller being connected to a grinding motor (11) by means of a grinding shaft (2) so as to reciprocally roll within the grinding disc; at the same time, a bottom portion of the grinding disc is an arc-shaped structure, and the grinding disc is further provided with an arc-shaped rail (41) that is parallel to the arc-shaped contour thereof, two ends of the grinding shaft being connected within the arc-shaped rail respectively by means of a gear bushing (12) so as to reciprocate, wherein the arc-shaped rail is internally provided with a gear structure that meshes with the gear bushing, thereby grinding material within the grinding disc; in addition, two ends of the grinding shaft and a rolling rail are respectively connected to a foldable sliding seal cover (6), an end of the foldable sliding seal cover being fixed to the grinding shaft, while the other end is fixed to a tail end of the rolling rail. In the foregoing vertical mill, a grinding roller is placed directly within the grinding disc so as to reciprocally oscillate, thereby achieving efficient material grinding; the present invention has a simple structure, occupies little space and has high grinding efficiency.
A low-rank coal integrated drying and pyrolysis quality-improving treatment processing device, which comprises: a pyrolysis device, a drying device, a circulation fan flow dividing device, a supporting and rotating device, a circumferential material guiding air locking device, a circumferential material discharging air locking device and a discharging device; the pyrolysis device is disposed within the drying device, and the circulation fan flow dividing device is disposed on the drying device, while the supporting and rotating device is disposed at a bottom portion of the drying device and opposite to the circulation fan flow dividing device; the circumferential material guiding air locking device is disposed at one end of the drying device and is in communication with the pyrolysis device, while the circumferential material discharging air locking device is diposed at one end of the pyrolysis device and opposite to the circumferential material guiding air locking device, the discharging device being disposed on the circumferential material discharging air locking device. The pyrolysis device and drying device of the low-rank coal integrated drying and pyrolysis quality-improving treatment processing device are integrated to simplify processing arrangement and reduce processing costs.
Disclosed is an anti-blocking ball-sealing device for use with feeding and discharging material of a rotary equipment, the ball-sealing device comprising: a plurality of hollow section joints (1, 2, 3, 4, 5, 6), which are connected sequentially; the ball-sealing device relies on a bracket fixed on a rotatable cylindrical member (32) of a rotary equipment, and surrounds the circumference of the cylindrical member such that the hollow section joints are connected head to end, and thus the ball-sealing device is provided with an annular or approximately annular channel; all of the hollow section joints are of equal length and equal diameter, wherein a first hollow section (1) is provided with a material feeding section joint (32, 38) and a material discharging section joint (33, 39), which are separated by a partition; the material feeding section joint and the material discharging section joint are provided with a material feeding port (40) and a material discharging port (37) respectively; a ball (25, 26, 27, 28, 29, 30, 31) is placed in the material feeding section joint and the material discharging section joint of the first hollow section joint, and in each of a second through an N-th hollow section joint respectively; on the material feeding section joint and each of the second through the N-th hollow section joints, a blind tube (7, 8, 9, 10, 11, 12) is provided along a radially outward direction of the rotatable cylindrical member; the diameter of the ball is slightly smaller than the inner diameter of each hollow section joint, and slightly smaller than the inner diameter of the blind tube; the material feeding section joint is provided therein with a ball-position control rod (34).
A self-positioning slide shoe bearing, comprising a slide ring and a slide shoe, the slide shoe having a support tile, the outer edge of the slide ring being provided on the support tile, the outer edge of the slide ring being in the shape of a non-cylindrical surface, the section shape of the contact surface of the support tile with the outer edge of the slide ring conforming to the section shape of the outer edge of the slide ring. The self-positioning slide shoe bearing has a good axial positioning effect, is able to balance the axial force that is generated by transmission and other factors, has a large-area contact bearing surface, has a strong bearing capacity and a wear resistant property, and is able to solve the problem of the wearing down of a clamping plate of the prior slide shoe bearing.
A feeding device (1) for garbage treatment, comprising a support base (10), an oil hydraulic cylinder (11), a material pushing body (12), a material pushing head (13), and a chute (14). The support base (10) is inclined with respect to a horizontal plane, and the top of the support base (10) is provided with a connection portion (100). One end of the oil hydraulic cylinder (11) is fixed to the connection portion (100), and the other end of the oil hydraulic cylinder (11) is provided with a piston rod (111). One end of the material pushing body (12) is connected with the piston rod (111). The material pushing head (13) is disposed at the other end of the material pushing body (12). A first opening (141) is provided on one side of the chute (14), and a second opening (143) is provided on the other side of the chute (14). The bottom of the chute (14) is provided with a slope (142). The inclination angle of the slope (142) is the same as that of the support base (10). The material pushing head (13) is located in the first opening (141). The lower part of the material pushing head (13) is narrowed gradually, and the width of the lower part of the material pushing head (13) is less than that of the material pushing body (12). Gaps are provided between both sides of the lower part of the material pushing head (13) and both sides of the chute (14). The feeding device has a good anti-blocking effect.
Disclosed are heating equipment, in particular hybrid heating equipment, and an application thereof. The equipment comprises a three-layer cylinder structure consisting of an outer cylinder (1), a heating cylinder (4) and a slag return cylinder (5) from outside to inside sequentially. The outer cylinder (1) is supported by a supporting device (12), and is driven to rotate by a transmission device (11). A first supporting member (3) is arranged between an inner wall of the outer cylinder (1) and an outer wall of the heating cylinder (4). A second supporting member (6) is arranged between an inner wall of the heating cylinder (4) and an outer wall of the slag return cylinder (5). An air inlet cover (17) and an air outlet cover (7) are respectively arranged at two ends of the outer cylinder (1). The air inlet cover (17) is connected to a heating furnace (13) via a flange. The flange on the heating furnace (13) is connected to a burner (18). One end of the heating cylinder (4) is connected to a feeding airlock device (8). The other end of the heating cylinder (4) is connected to a discharge airlock device (15).
C10B 5/06 - Fours à coke à chambres horizontales à conduits de chaleur horizontaux
C10B 53/04 - Distillation destructive spécialement conçue pour des matières premières solides particulières ou sous forme spéciale de charbon pulvérulent
Provided is a linear flip-flow screen, comprising a main screen frame, a floating screen frame, a flexible mesh (11), a vibration mechanism (7), and a support mechanism (9); the floating screen frame is connected to the main screen frame by means of a flexible assembly; different locations on the same flexible mesh (11) are separately fixedly mounted to the fixed crossbeam (4) of the main screen frame and the floating crossbeam (5) of the floating screen frame; the vibration mechanism (7) is fixedly mounted on the main screen frame; the vibration mechanism (7) comprises a polarized drive shaft block; the connection between the main screen frame and the support mechanism is a flexible connection; the directions of rotation of all of the drive shafts are consistent; the vibration mechanism (7) only comprises a driven shaft having the same direction of rotation as the drive shaft, or does not contain a driven shaft. In the linear flip-flop screen, the manner of motion of the mesh surface changes, thus preventing the phenomenon of screen blinding and plugging from occurring when fine particulate material that is sticky and relatively damp is screened.
A stationary sealing plate (9), a movable sealing plate (11), and a labyrinth sealing apparatus of a shaking apparatus for use in a dusty environment. Trapezoidal protruding annular teeth (201) are provided on a working end surface of the stationary sealing plate and that of the movable sealing plate. The protruding teeth constitute with the corresponding working end surface at least one trapezoidal recessed annular groove (202). The matching end surfaces of the movable sealing plate and of the stationary sealing plate constitute a labyrinth sealing gap that is a trapezoid in the radial direction. A grease fitting (4) is provided on a bearing base (6). The grease fitting passes through a grease opening (5) and sequentially links up a bearing (15) and the inner extremity of the labyrinth sealing gap. A conventional right-angled labyrinth sealing gap is replaced by the trapezoidal labyrinth sealing gap, which changes the angle of repose of dust particles, thus making accumulation and retention of same difficult in the sealing gap, effectively preventing the dust particles from entering between inner and outer rings of the bearing, bringing out dust particles introduced, obviating the need for a lip seal and a dust ring, extending the service life of the bearing, and reducing equipment failure rate.
B02C 23/00 - Procédés auxiliaires, dispositifs auxiliaires ou accessoires spécialement adaptés au broyage ou à la désagrégation non prévus dans les groupes ou non adaptés spécialement aux appareillages couverts par un seul des groupes
20.
SYSTEM FOR CO-PROCESSING HOUSEHOLD SOLID WASTE IN CEMENT KILN AND METHOD THEREOF
A system for co-processing household solid waste in a cement kiln and method thereof, the system comprising a drying device (2), a waste storage container (6), a pyrolysis furnace (14), a residue cooling device and a cement kiln system; the drying device (2) is in communication with the waste storage container (6); a gas inlet of the drying device (2) is in communication with a gas outlet of a grate cooler (18) of the cement kiln system; a gas outlet of the drying device (2) is in communication with a gas inlet of the grate cooler (18); the waste storage container (6) is in communication with a gas inlet of the pyrolysis furnace (14) and the gas inlet of the grate cooler (18) respectively; a gas outlet of the pyrolysis furnace (14) is in communication with a gas inlet of a cement kiln decomposition furnace (16); a residue outlet of the pyrolysis furnace (14) is in communication with the residue cooling device. The system dries waste first before pyrolyzing the waste, consumes less heat during pyrolysis, saves energy, and a pyrolysis gas thereof has a high heat value and a fast heat release speed; gas between the drying device (2) and the grate cooler (18) is recycled, saving energy; air from the pyrolysis furnace (14) and the grate cooler (18) is from the waste storage container, forms a negative pressure and effectively prevents harmful gas from leaking; a part of products of the pyrolysis furnace are recycled in the furnace, thus reducing heat loss, and improving heat efficiency of the pyrolysis furnace.
Calcining machines for chemical processing; excavation
working machines; electric vibration machines for building
industry; conveyors; granulators; blending machines;
crushers; dust collectors; mills for cement industry;
classifiers.
