235results about "Charging devices" patented technology

The invention discloses a biomass pyrolysis gasification boiler control system and method, and relates to the technical field of biomass pyrolysis. A material distribution assembly comprises a material storage box and a slope material distribution part arranged below the material storage box, an intermittent material rotating assembly is rotationally installed in the material storage box and engaged with a vertical toothed plate, the intermittent material rotating assembly is used for transferring biomass particles to the slope material distribution part from the material storage box, and a closed material carrying assembly is arranged in a pyrolysis gasification furnace in a sliding mode. The closed material loading assembly comprises a closed lifting disc used for pushing the material distributing assembly to move, and two top sealing plates are installed on the closed lifting disc through torsional springs. According to the invention, the uniform laying and pyrolysis gasification of the next batch of biomass particles on the biomass carrying plate can be realized under the condition of keeping the pyrolysis gasification chamber isolated from external air, so that the non-accumulation type and closed feeding type pyrolysis gasification process of biomass can be realized; a large amount of heat loss caused by convection between air and the pyrolysis gasification chamber in the biomass feeding process can be effectively avoided.

The embodiment of the invention provides an agricultural and forestry waste carbonization and pyrolysis device, and relates to the technical field of pyrolysis furnaces. The agricultural and forestry waste carbonization and pyrolysis device comprises a pyrolysis furnace and a conveying cylinder connected with an opening in one end of the pyrolysis furnace, a feeding cylinder communicated with the conveying cylinder is fixed to the upper portion of the conveying cylinder, a screw rod is coaxially arranged in the feeding cylinder, and meanwhile a supporting frame is transversely fixed to a discharging opening in the tail end of the feeding cylinder; a hollow supporting seat is connected to the center of the supporting frame, spiral conveying shafts capable of rotating are arranged on the two sides of the bottom face of the supporting seat respectively, the two spiral conveying shafts are driven by the tail ends of the spiral rods, and through the linkage design of the spiral rods and the double-spiral conveying shafts, continuous conveying and blockage prevention of long fiber materials are achieved; the device has the advantages of effectively solving the problem of bridging blockage in the long fiber material conveying process and improving the material conveying continuity.

The invention provides a high-precision maintenance method for a coal supporting plate of a tamping coke oven coal charging car, and relates to the technical field of coke oven equipment maintenance, and the high-precision maintenance method comprises the following steps: S1, pretreatment of new and old plates: removing an oxide layer and pollutants on a contact surface of an upper-layer old plate and a lower-layer new plate; s2, drilling and positioning: temporarily fixing the new plate and the old plate through interval spot welding and then synchronously drilling; step S3; the coal supporting plate is cut into a wear section and a reserved section, and a new plate is welded after the wear section is removed; s4, thermal anchoring is conducted, specifically, the rivet is heated, the pose of the coal supporting plate is adjusted, and then riveting is completed; and S5, quality closed-loop detection: carrying out nondestructive detection and vibration stability verification on welding and riveting parts. According to the process, new and old plates are forcibly aligned through a dynamic drilling technology and spot welding, the datum plane deviation is eliminated, and meanwhile, modular segmented replacement is utilized, an undamaged structure is reserved through selective cutting, further thermodynamic synergistic anchoring is conducted, and rivet heating and mechanical leveling cooperate to improve the connection strength.

The invention relates to the technical field of biomass carbonization, in particular to a biomass continuous carbonization kiln based on a double-layer rotary kiln structure and application of the biomass continuous carbonization kiln. A biomass continuous carbonization kiln comprises a rotary kiln body, a heating box body and a sealing system. According to the invention, preheating and carbonization are carried out in sections through the inner and outer layer guide plates, the carbonization time is prolonged by 30%, and the product yield is improved by 15%; oxygen permeation is controlled through triple sealing, the deflagration risk is reduced, and safety is good; heat energy closed-loop utilization: flue gas purification, tail gas backdraft and waste heat drying are integrated, comprehensive energy consumption is reduced by 25%, flue gas waste heat is fully recycled, heat energy is utilized in a stepped mode, energy consumption is low, and environment-friendly production is achieved; the explosion-proof device is linked with the cooling system, so that the problem of passive protection only depending on buffer filler in the prior art is effectively solved, and the safety controllability is high.

A fully modular assembled pyrolysis reactor with multiple feeding points includes modular upper and lower vessels. The lower vessel is equipped with a first biomass input unit, and inside the lower vessel, there is an integrated rotatable grate. The outlet end of the input pipe of the first biomass input device is formed at the top center of the grate, so that the grate's surface forms the core reaction zone of the pyrolysis reactor. The upper vessel is equipped with additional biomass input units, and the outlet end of the input pipe of the additional biomass input units extend into the core reaction zone of the pyrolysis reactor, with built-in cooling function and door switch. While achieving precise control, the technical problem of single feedstock in existing vertical pyrolysis reactor with bottom feeding is solved, and the use of multiple feedstocks can be immediately implemented, greatly improving operational stability.

The invention discloses a waste tire continuous thermal cracking feeding control method and system based on machine learning, and relates to the technical field of plastic waste recovery. The method comprises the following steps: acquiring a historical rear end socket temperature sequence and a historical internal pressure sequence of a cracker in a historical time window, and a rotation angular velocity and feeding rate sequence in a future preset time window; on the basis of the long and short-term memory network, predicting a predicted end socket temperature sequence and a predicted internal pressure sequence in a future window; with improvement of temperature, pressure and feeding rate stability as multiple targets, an adaptive feeding rate sequence is searched and output in a feeding rate adjustment space through digital twinborn simulation and an intelligent optimization algorithm in combination with the prediction sequence; and finally, carrying out feeding control on the cracker according to the sequence in a preset time window. According to the method, prospective optimization control over the cracking working condition is achieved, the hysteresis quality of traditional control is effectively overcome, and the stability, safety and automation level of the continuous thermal cracking process are improved.

The invention relates to the technical field of solid waste treatment, and discloses a coking solid waste treatment device, which comprises: a material mixing assembly, which comprises a double-screw conveyor and a coal bunker arranged at the top of the double-screw conveyor, and a discharge port of the double-screw conveyor is connected to a bucket elevator; the moving assembly comprises a sliding way, a sliding block arranged in the sliding way, a moving base arranged on the sliding block, a first motor arranged on the sliding way, a first transmission piece connected with the first motor and the sliding block and an overturning assembly. According to the coking solid waste treatment device, coking solid waste and coal are mixed and then directly conveyed to the coke oven for coking through the coking belt, stacking in a coal yard is avoided, and therefore the coking solid waste is prevented from polluting soil; the solid waste is prevented from being accumulated at one position to influence the mixing efficiency of the double-screw conveyor, and the coke quality and the solid waste treatment efficiency are improved.

The invention discloses an automatic oven top oven cover opening and closing system for a coke oven and a control method and an oven airing process thereof, and belongs to the technical field of the metallurgical industry. The automatic furnace cover opening and closing system comprises a steel structure supporting frame, and the steel structure supporting frame is detachably connected with a framework of a top coal charging car or a framework of a tamping smoke guiding car. The uncovering mechanism is mounted on the steel structure supporting frame and is used for uncovering the furnace cover of the smoke guide hole seat so as to air the furnace; the walking mechanism is installed on the lower portion of the steel structure supporting frame and used for driving the steel structure supporting frame to walk along the ground rail. According to the scheme, the connection mode between the steel structure supporting frame and the top coal charging car or the framework of the tamping smoke guiding car is designed to be separable, so that the automatic furnace cover opening and closing system can synchronously move along with the top coal charging car or the tamping smoke guiding car and can also independently move, and then the technology of the automatic furnace cover opening and closing system can be optimized; and the movement of the steel structure supporting frame along the ground rail can be conveniently controlled.

The invention discloses an oil switching valve four-way ball valve and a reactor feeding operation method thereof. The oil switching valve is a four-way ball valve and is provided with a valve body, a valve element, a valve cover, a valve rod, packing, a packing gland and a rotary executing mechanism. The four-way ball valve is provided with three oil inlets and an oil outlet, the oil outlet is located at the bottom of the valve body, and a fixed included angle is formed among the three oil inlets. An L-shaped medium runner is arranged in the valve element, and an inlet of the medium runner is located in the side face of the valve element. The oil material switching valve can be used for sequentially and alternately feeding two different oil materials into the reactors, the device takes two or more reactors as a group, each reactor adopts an independent oil material switching valve for switching feeding, and the feeding reaction and other operations of the reactors are completed according to the operation cycle of the device and the continuous production requirements of the process.

The invention discloses movable biomass material continuous pyrolysis and carbonization mechanical equipment, and aims to solve the problems of insufficient mobility and continuous production of biomass pyrolysis equipment in the prior art. The equipment comprises a rack, a heating unit, a feeding unit and a discharging unit. The heating unit heats the tank body through electromagnetic induction to realize rapid and uniform heating; the feeding unit continuously feeds materials through an air closing machine, the discharging unit controls the discharging speed through the air closing machine, and the sealing performance and the continuity are ensured. The discharging unit is used for separating gas-phase, liquid-phase and solid-phase products generated by pyrolysis and cooling the solid-phase products, so that effective utilization of resources is realized. The equipment is further provided with safety devices such as a safety valve and a pressure gauge, and an automatic control system for monitoring and adjusting the temperature, the rotating speed and the feeding and discharging speed of the heating unit, so that production safety and high efficiency are guaranteed.

To provide a production method for formed coke that allows the loading of a molded material into a vertical pyrolysis furnace while dispersing the molded material in a depth direction from a loading chute.SOLUTION: A production method for formed coke comprises: when an accumulation layer of a molded material accumulated inside a vertical pyrolysis furnace body reaches a predetermined reference height, loading one batch of the molded material into a vertical pyrolysis furnace from a loading chute inclined and connected to the vertical pyrolysis furnace body; and pyrolyzing the supplied molded material inside the vertical pyrolysis furnace body to produce the formed coke. The method includes measuring the accumulation distribution of the molded material, and adjusting the reference height in a vertical direction based on measurement results of the accumulation distribution.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of carbonization furnaces, and discloses an intermittent litchi fruit charcoal firing furnace which comprises a carbonization furnace body, a firing plate is slidably connected to the inner bottom side of the carbonization furnace body, a lifting bottom support is slidably connected to the bottom of the firing plate, and a bottom plate is fixedly connected to the bottom of the lifting bottom support. Top plates are fixedly connected to the four corners of the bottom of the bottom plate correspondingly, supporting columns are fixedly connected to the bottoms of the top plates correspondingly, connecting discs are fixedly connected to the bottoms of the supporting columns correspondingly, shells are arranged at the bottoms of the connecting discs correspondingly, and screws are rotationally connected to the peripheries of the tops of the connecting discs correspondingly. According to the utility model, the litchi fruit trees are neatly placed above the firing plate outside the firing furnace, so that an operator can neatly and uniformly place the litchi fruit trees on the firing plate in a place with sufficient light and wide space outside the furnace, the problem of uneven distribution of the fruit trees is effectively solved, and the production efficiency and the product quality are improved.

The invention relates to the technical field of material distribution, in particular to an easy-to-disassemble dust removal and ash removal mechanism of a material distribution trolley, which comprises a transverse frame and a longitudinal frame, the transverse frame is movably mounted at the front end position of the top surface of the longitudinal frame through a bracket, and one end in the transverse frame is slidably connected with a treatment frame which is internally provided with a pretreatment mechanism; a sliding frame of a concave structure is slidably connected to the position, vertically overlapped with the transverse frame, in the longitudinal frame in a sleeved mode, limiting gears are fixedly installed at the front end and the rear end of the treatment frame through rotating rods, the limiting gears are slidably connected to the interiors of sliding grooves formed in the front inner wall and the rear inner wall of the transverse frame correspondingly, and tooth groove sets are arranged on the inner walls of the tops of the sliding grooves. The problem that traditional dust removal equipment is complex to maintain is solved through detachable design, efficient dust removal and uniform material distribution of materials such as coke are achieved through cooperation of multiple structures of centrifugal force separation, linkage dust removal and movable material distribution, and the operation efficiency and maintenance convenience of the material distribution vehicle are remarkably improved.

The invention discloses a sealed coaling device for a top-charging coke oven, and belongs to the technical field of top-charging coke ovens.The sealed coaling device comprises a hole seat assembly arranged in a first funnel hole and a guide sleeve assembly arranged in the hole seat assembly; the first table top and the second table top are matched in an abutting mode to form a first mechanical seal, most smoke can be prevented from escaping, meanwhile, the annular sealing plate is inserted into sealing liquid to form a second liquid seal, a small amount of smoke penetrating through a first sealing gap is adsorbed and intercepted, the dual-sealing structure has a synergistic effect, the sealing effect is remarkably improved, and the sealing effect is improved. A base of the hole seat assembly is designed to be matched with a first funnel hole, rapid positioning and embedding can be achieved, the guide sleeve assembly and the hole seat assembly are rapidly assembled through abutting of a table top and matching of an annular sealing plate and a sealing cavity, the overall structure is low in assembling difficulty, and the sealing effect is good. Field installation and later maintenance and replacement are facilitated.

The utility model discloses a coke oven coaling moving smoke guiding system which comprises a smoke guiding cover, the upper end of the smoke guiding cover is connected with a walking mechanism through a driving suspension frame, the walking mechanism moves in a suspension track, and the suspension track is fixed on an oven protection column of a coke oven through a suspension supporting beam; a movable driving frame is arranged on the coal charging car, the coal charging car is far away from the furnace hole after coal charging is completed, and the movable driving frame drives the smoke guide cover to be close to the furnace door by pushing the driving suspension frame; the coke pusher is provided with a fixed driving frame, the coke pusher is close to the furnace hole, and the fixed driving frame drives the smoke guide cover to be away from the furnace door by pushing the driving suspension frame; according to the utility model, the smoke guide hood can be driven to move correspondingly by utilizing the moving characteristics of the coal charging car and the coke pushing car, so that the diffusion of smoke dust in the time interval when the coal charging car and the coke pushing car alternately work is avoided.

The invention discloses an internal combustion type self-circulation roller carbonization system and a control method thereof.The carbonization system comprises a carbonization furnace, a combustion engine, a feeding machine, a first oxygen supply mechanism and a second oxygen supply mechanism, the combustion engine communicates with one end of the carbonization furnace, the feeding machine communicates with the other end of the carbonization furnace, and a feeding pipeline of at least part of the feeding machine is inserted into a hearth; the first oxygen supply mechanism is used for providing combustion-supporting air with controllable oxygen content for the combustion engine so as to regulate and control the temperature and the combustion atmosphere of the hearth; an air outlet of the second oxygen supply mechanism communicates with the hearth and is located in the section close to the feeding machine, and sufficient oxygen supply can be achieved, so that combustible pyrolysis gas in the hearth is completely combusted; the combustion engine is directly communicated with the carbonization furnace, combustible pyrolysis gas generated by carbonization is used for autonomous combustion, internal combustion self-circulation is achieved, the traditional indirect heating mode of an external combustion chamber is abandoned, the heat transfer path can be greatly shortened, heat loss is remarkably reduced, the heat utilization rate is greatly improved, and the energy consumption cost is reduced.

The invention discloses an internal combustion type carbonization system based on material whole-course spiral propulsion, which comprises a carbonization furnace, a feeding auger, an ignition device, a first air blower and a second air blower, the carbonization furnace linearly extends along the left-right direction, and the right end of the carbonization furnace is provided with a carbon discharge port; a drying preheating area, a main carbonization spontaneous combustion area and a burnout carbon discharge area are sequentially formed in the hearth in the advancing direction of materials; through the partition design in the hearth and the whole-course penetrating layout of the feeding auger feeding pipe, materials are turned over, fed and carbonized in the pipe at the same time, and the problems of uneven carbonization and product quality fluctuation caused by static material accumulation or simple pushing of traditional external combustion type equipment are thoroughly solved; meanwhile, due to the internal combustion type design, pyrolysis gas can be spontaneously combusted in the furnace, heat directly acts on a feeding pipe and materials, heat loss caused by external combustion type double wall surface conduction is avoided, the heat utilization rate can be greatly improved, system self-circulation can be achieved under the condition that external continuous energy supply is not needed, and the operation cost is reduced.

The utility model relates to a rear baffle guide mechanism of a tamping coal charging car, which belongs to the technical field of coking equipment and particularly comprises a rear baffle mechanism slidably mounted on a rear baffle guide frame, the rear baffle guide frame is provided with first guide components and second guide components, the first guide components are positioned on two sides of the lower portion of the rear baffle mechanism, and the second guide components are positioned on two sides of the lower portion of the rear baffle mechanism. The second guide assembly is located below the first guide assembly, the second guide assembly is arranged in the rear baffle mechanism, the first guide assembly and the second guide assembly form a triangular distribution structure, the structure is simple, the design is reasonable, and it can be guaranteed that the rear baffle moves smoothly.

The utility model relates to two-section type continuous carbonization equipment which comprises a vertical carbonization chamber, a vertical combustion chamber, a transverse carbonization chamber, a transverse combustion chamber and a storage tank, a part of the vertical carbonization chamber is located in the vertical combustion chamber, the vertical carbonization chamber is a moving bed type carbonization furnace, and a vertical feeding screw rod is arranged in the vertical carbonization chamber; the transverse carbonization chamber is partially located in the transverse combustion chamber, and the first end of the transverse carbonization chamber is located under the bottom end of the vertical carbonization chamber and connected with the bottom end of the vertical carbonization chamber in an on-off mode; a transverse feeding screw rod is arranged in the transverse carbonization chamber; the material storage tank is positioned under the second end of the transverse carbonization chamber and is connected with the transverse carbonization chamber in an on-off manner. The two-section type continuous carbonization equipment disclosed by the utility model can realize centralized treatment on straws, and is large in treatment capacity, low in energy consumption, more uniform in heating and more accurate in control on reaction time and discharging speed.

The utility model relates to the field of coke ovens, and discloses a top-loading and tamping dual-purpose coke oven which comprises an oven body, an oven top is arranged at the top of the oven body, a combustion chamber is arranged on the inner wall of the oven body, a carbonization chamber is arranged on one side of the combustion chamber, a coal discharge port is arranged at the top of the oven top, and a heat storage chamber is arranged at the bottom of the combustion chamber. According to the top-loading and tamping dual-purpose coke oven, both top-loading and tamping production operation can meet the requirement that coke cakes in the carbonization chamber are matured up and down at the same time, the graphite generation amount in the space of the oven top can be reduced, the advantages of top-loading and tamping coke oven production processes are integrated, and the coke oven has the advantages of low energy consumption, low cost and the like. The production process of coke can be adjusted in time according to market change requirements, rapid switching of the two processes is achieved, and the production efficiency is improved.

The present invention belongs to the technical field of raw material processing, and specifically relates to an automatic feeding device based on the pretreatment of biomass raw materials. It includes a silo, a main body unit is arranged outside the silo, a shearing unit is arranged at one end inside the silo, and a dressing unit is arranged at the other end inside the silo; through the mutual meshing action between the knife bars, the biomass raw materials entering the inside of the silo are sheared, reducing the difference between the biomass raw material particles, fully ensuring the consistency of the particle size between the biomass raw materials, and reducing the phenomenon of asynchronous pyrolysis reactions between the biomass raw materials; at the same time, due to the reverse rotation difference between the hockey stick and the central axis, the grid plate and the toothed plate are urged to perform an alternating pendulum shear on the biomass raw materials between the filter plates, further avoiding the accumulation between different particle biomass raw materials, improving the air permeability and heat dissipation between different biomass raw materials, ensuring the dryness between the biomass raw materials, reducing the local temperature drop, and promoting the uniform carbonization degree of biomass charcoal.

The utility model discloses a coke oven coal charging car and a smokeless coal charging guide sleeve device thereof, which comprise a guide rail bracket fixed on a coal charging car fixing unit, an oil cylinder arranged on the guide rail bracket, a lifting frame connected to the free end of the oil cylinder, a first guide sleeve connected to one end of the lifting frame, and a second guide sleeve sleeved in the first guide sleeve, a guide cylinder is arranged above the first guide sleeve, a hanging bracket is connected to the outer side of the guide cylinder in a sealed mode and fixed to a coal charging car fixing unit, the first guide sleeve is communicated with the guide cylinder through a second guide sleeve, the bottom of the hanging bracket is connected to the second guide sleeve, a coal discharging gate plate is connected to the upper portion of the guide cylinder, and a coal charging port is formed below the second guide sleeve. The second guide sleeve is communicated with the coal charging port through a discharging port, and the lifting frame is slidably connected to the guide rail frame; according to the device, multi-stage sealing is achieved, by arranging the soft seal, the guide sleeve device does not affect weighing of devices such as a coal bucket in the working process, the device can adapt to the height deviation of a coal charging port in the working process, and good practicability is achieved.

The utility model relates to a front support bridge arm structure of a tamping coal charging car, which belongs to the technical field of tamping coal charging cars, and particularly comprises a carbonization chamber furnace column and a connecting steel structure, a rotating shaft component is mounted on the connecting steel structure, a bridge arm component is mounted on the rotating shaft component, a bridge arm support bracket is mounted on the carbonization chamber furnace column, and a bridge arm is mounted on the bridge arm support bracket. The bridge arm assembly is in a vertical state at ordinary times and is turned over and horizontal under the action of the coal supporting plate during coal loading, and one end of the bridge arm assembly is supported on the bridge arm supporting bracket; the device is simple in structure, reasonable in design and capable of turning over freely and dropping coal automatically.

The invention relates to the technical field of metallurgy, in particular to an intelligent totally-closed top-loading tamping zero-emission coal dry distillation process and a coke oven. Equipment damage caused by coke crushing caused by coke extrusion pushing and furnace wall extrusion abrasion caused by traditional coke pushing is eliminated; the equipment structure and the process full-flow closed design is adopted, so that coke burning loss is eliminated; a whole-furnace pressure balance system is realized through the design of the pipeline channel, so that the potential safety hazards of pollution and explosion caused by overflow of raw gas and suction of external air in any working condition are eliminated; the BIM system, the intelligent realization of the synchronous construction of the test small coke oven and the coke oven, the real-time realization of a heat supply mechanism according to the coking process, and the intelligent operation of the coke oven are realized. According to the intelligent totally-closed coke oven, organic matters in flue gas and sewage are subjected to cracking and hydrogenation utilization, underground and overground pollution of a traditional coke oven is eliminated, and lightweight high-added-value modification of coking coal tar is realized.

The utility model relates to the field of coke oven locomotive anti -collision technology, the utility model provides a kind of coke oven locomotive anti -collision mechanism, for the collision protection of locomotive body, locomotive body has locomotive control system, locomotive control system is used to control the movement of locomotive body, including laser scanning radar and camera, laser scanning radar and camera are arranged in the side of locomotive body, further include mounting mechanism, data analysis host computer and PLC controller, installation mechanism is arranged between laser scanning radar and locomotive body and between camera and locomotive body, for the installation and fixing between laser scanning radar and camera and locomotive body, data analysis host computer and PLC controller are installed on locomotive body, by above-mentioned technical scheme, for solving the technical problem that the coke oven locomotive of prior art is prone to collision accident due to the complexity of production environment.

The utility model belongs to the technical field of coaling plate supporting of a coking SCP all-in-one machine, and particularly relates to a coaling plate bracket of the coking SCP all-in-one machine, which comprises a supporting sliding groove fixedly connected in a bottom plate seat, a supporting table is connected in the supporting sliding groove in a sliding mode, and a transverse supporting leg is fixedly connected to the bottom of the left end of the supporting table. A driving plate is fixedly connected to the right side face of the transverse supporting leg, two strip-shaped sliding grooves are further fixedly connected into the bottom plate base, strip-shaped sliding blocks are slidably connected into the two strip-shaped sliding grooves, the left ends of the two strip-shaped sliding blocks are fixedly connected with the driving plate, and racks are fixedly connected to the tops of the two strip-shaped sliding blocks. A right-angle reverser is fixedly connected to the left side wall of the bottom plate base and connected with a rotary driving assembly, and two gears meshed with the two racks are fixedly connected to two output shafts of the right-angle reverser. The hydraulic motor arranged on the outer side of the bottom plate seat acts to achieve stretching and retracting of the supporting table, the action process is safe and reliable, and inspection and maintenance are convenient.

The invention relates to a top-charging coke oven coal charging flue gas treatment system and method, and the top-charging coke oven coal charging flue gas treatment system comprises a negative pressure smoke suction device, a furnace top coal charging dust removal vehicle, a matched flue gas treatment device, a sealed coal charging and flue gas guiding device, and a coal leveling port external escaping flue gas collection treatment device. According to the design of the top-charging coke oven, multi-dimensional and comprehensive dust removal measures are adopted, the problem that smoke escapes when the top-charging coke oven is charged with coal is effectively solved, and the top-charging coke oven has the advantages of being energy-saving, environment-friendly, safe and reliable.

The invention discloses a dynamic sealing device for a guide sleeve of a coke oven coal charging car, which belongs to the technical field of coking equipment and is arranged on a guide device of the coke oven coal charging car, the guide device comprises a cross beam, a fixed guide sleeve and a movable guide sleeve, the lower end of the movable guide sleeve is provided with a notch, and the movable guide sleeve comprises a lever mechanism, a dynamic sealing baffle and a fixed sealing baffle; the fixed sealing baffle is arranged at the upper end of the movable guide sleeve; the two lever mechanisms are symmetrically arranged and located on the two sides of the movable guide sleeve, one ends of the two lever mechanisms are arranged on the cross beam, the other ends of the two lever mechanisms are movably connected with the dynamic sealing baffle, and the dynamic sealing baffle is movably connected with the movable guide sleeve and located at the notch of the movable guide sleeve. When the movable guide sleeve ascends and descends, the dynamic sealing baffle is driven by the lever mechanism to open and close the notch of the movable guide sleeve, and the dynamic sealing baffle is matched with the notch of the movable guide sleeve in structure. The device is simple in structure and low in cost, the control method is easy to operate, overflow of high-temperature flue gas is remarkably reduced, and the environmental protection property is good.

This invention discloses a biomass graded rapid pyrolysis system and its drying and feeding device, belonging to the technical field of biomass pyrolysis equipment, and solving the problem of low efficiency in biomass pyrolysis. The biomass graded rapid pyrolysis system includes a drying and feeding device, a tubular dryer, a material fan, a drying cyclone, a pyrolysis feeding device, a heat carrier feeding device, a primary pyrolysis reactor, a primary pyrolysis buffer chamber, a secondary pyrolysis reactor, a secondary pyrolysis buffer chamber, a tertiary pyrolysis reactor, a tertiary pyrolysis buffer chamber, a pyrolysis product conveying screw, a primary pyrolysis cyclone, a primary pyrolysis cyclone carbon powder conveying screw, a secondary pyrolysis cyclone, a secondary pyrolysis cyclone carbon powder conveying screw, a tertiary pyrolysis cyclone, and a tertiary pyrolysis cyclone carbon powder conveying screw. In this invention, a combination of a spiral pyrolysis reactor and direct heating pyrolysis technology with a solid heat carrier is used to enhance mass and heat transfer between the heat carrier and the material, achieving rapid pyrolysis of the material.

The utility model discloses a telescopic support device for coke oven coal supporting plate, including setting up in the bracket of civil engineering platform, setting up in the support frame of bracket top center position, slidingly connected in the support frame's support platform, setting up in the drive mechanism of support frame below, drive mechanism one end is fixed in the bracket, and the other end fixedly connected in support platform bottom, and the top of coal car is provided with the fixed frame, and the bottom of support frame is connected in the top of fixed frame, and the inside of support platform is provided with the guide rail, and the both sides of support frame are provided with the slider matched with guide rail, and the slider slidingly connected in the guide rail, and the top of coal supporting plate leans to support platform and includes, and the device forms telescopic dynamic support structure, when coal supporting plate enters the non -supporting interval from coke oven mouth, and drive mechanism drives support platform and leans to coal supporting plate bottom along support frame and slides, and the weight of coal cake is borne with the self -supporting structure of coal car, and the stability of coal loading operation is guaranteed.