901results about "Coke quenching" patented technology

The invention discloses an improvement method of an improved dry quenching coke tank transverse movement traction device, and relates to the technical field of coke tank transverse movement traction. The improvement method of the improved dry quenching coke tank transverse movement traction device comprises the following specific operation steps: carrying out improvement work as follows: transversely moving a coke tank to the lower part of a lifting derrick without a'coke tank stop signal 2 'signal; the position of the ejector pin limiting signal detection piece at the bottom of the coke tank trolley is adjusted and lifted upwards by 2 mm in the vertical direction, and it is guaranteed that the traction hook is evenly stressed. According to the improvement method of the improved dry quenching coke pot transverse movement traction device, a motor single-side brake of an originally designed transverse movement traction device is transformed into a double-side brake working mode, the phenomena of sliding, displacement and the like of the coke pot on a transverse movement traction device track are prevented, the operation safety coefficient is ensured, and the service life of the coke pot is prolonged. A swallow-tail rod with a tilted tail part of an originally designed transverse moving traction device rod is disengaged and transformed into a straight and horizontal pushing mode, so that the coke tank trolley is prevented from sliding due to gravity inertia, and a group of head-tail stopping limiters are added on the existing limiting opposite side.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The utility model relates to a limit protection device of a dry quenching elevator, which belongs to the technical field of coking dry quenching equipment and is used for protecting the limit of the dry quenching elevator. According to the technical scheme, a base is a rectangular plate, a fixing support is perpendicularly welded to the plate face of the base, an adjusting movable plate is connected with the fixing support through an adjusting fastening bolt, a limiting fixing plate is perpendicularly welded to the front end of the adjusting movable plate, and a U-shaped limiting plate is fixed to the plate face of the limiting fixing plate through a limiting fixing bolt; the two upper limiting guide plates and the two lower limiting guide plates are located on the two sides of the U-shaped limiting device respectively and are perpendicularly connected with the plate face of the limiting fixing plate in a welded mode respectively, and the upper limiting guide plates and the lower limiting guide plates on the two sides of the U-shaped limiting device respectively form two V-shaped guide grooves. The elevator limiting device is simple in structure and reliable in work, the elevator can be protected from being damaged due to the fact that the elevator is scratched by the running elevator, safety and equipment hidden dangers are effectively eliminated, and normal running of the elevator is guaranteed.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The invention discloses a dry quenching furnace red coke feeding buffer mechanism which comprises a first feeding pipe section and a second feeding pipe section, one end of an inclined rod penetrates into a barrel, the top face of the inclined rod is fixedly connected with a plurality of conical rods, the top ends of the conical rods penetrate through a hole plate and are in sliding connection with the hole plate, and the other end of the inclined rod penetrates into a cover and can penetrate into the position between two adjacent protruding blocks. The top face of the pore plate is a corrugated face, the radius of corrugation is gradually increased in the direction close to the center of the barrel, the sliding block is arranged in a sliding groove in a sliding mode, the sliding groove is formed in the inner surface of the cover body, the top face of the shifting rod is an outwards-protruding arc face, and the pore plate drives the red coke to rotate to generate centrifugal force to reduce the flow speed of the red coke. The swing assembly pushes the pore plate to longitudinally swing to raise the red coke, and meanwhile, the convex block pushes the inclined rod to drive the conical rod to longitudinally move to crush the red coke, so that accumulation of the red coke is reduced, the contact area between the red coke and inert gas is increased, and the heat exchange effect is improved.

The utility model relates to a dry quenching primary dust remover structure which is characterized in that a layered dust removal device is arranged in a dust remover body and consists of parallel interlayers, small interlayer ash hoppers and interlayer ash discharge channels; an inlet dust removal channel is arranged between the dust remover inlet and the dust remover ash hopper, and an outlet dust removal channel is arranged between the dust remover ash hopper and the dust remover outlet; the parallel interlayer divides the inlet dedusting channel and the outlet dedusting channel into an upper layer and a lower layer; the middle part of the parallel interlayer is connected with an interlayer ash discharge channel through an interlayer small ash hopper; a bottom outlet of the interlayer ash discharge channel is communicated with an ash discharge port of the dust remover; according to the utility model, the dust removal efficiency of the primary dust remover is improved, and meanwhile, the dust removal convenience is ensured.

The invention relates to the field of dry quenching processes, aims at solving the problem that the production cost of dry quenching is increased due to the fact that a large amount of nitrogen is discharged in the production process of dry quenching, and particularly relates to a dry quenching dedusting pneumatic ash conveying system which comprises a gas conveying unit, a dedusting filtering unit, a filtering cleaning unit and a nitrogen recycling unit. In the operation process of the ash conveying system, nitrogen for conveying ash is collected, so that the collected nitrogen is reused, nitrogen waste caused by direct discharge of nitrogen into air is avoided, nitrogen recycling is realized, nitrogen consumption cost is reduced, and meanwhile, the filtering performance of the tail end dust removal device is analyzed, so that the dust removal efficiency is improved. Visual monitoring of the dust removal device is achieved, automatic cleaning of the dust removal device is achieved in a pulse backflushing mode, it is guaranteed that the filtering performance of the dust conveying system is in a normal working condition, meanwhile, it is avoided that a filter screen is cleaned manually according to experience, and the timeliness of cleaning of the filter screen is improved.

The invention discloses a coke guide grid of a coke barrier car, and belongs to the technical field of coke barrier cars in coking plants, the coke guide grid comprises the coke barrier car and the coke guide grid, the upper part of the coke barrier car is provided with a track, the coke guide grid is connected with a hanging roller sliding on the track, and the coke barrier car is provided with a driving mechanism for driving the coke grid to move; a compensation plate is arranged on the side wall of the end, close to the furnace mouth, of the coke guide grid in a sliding mode, high-temperature asbestos cloth is detachably connected to the compensation plate and abuts against the side wall of the furnace mouth, a moving assembly used for driving the compensation plate to move is arranged on the coke guide grid, and a dust removal device used for removing dust is arranged on the coke barrier vehicle. The application has the effects of reducing the coke receiving gap between the joint surfaces of the coke guide grid and the furnace mouth, further reducing the leakage of pollutants such as coke smoke and the like, and enhancing environmental protection.

The environmentally friendly wet quenching system of the present invention relates to the field of quenching technology in the coking industry, and in particular to a wet quenching system with environmental protection function. The present invention comprises: a quenching car travels along its track, enters and exits the bottom of a quenching tower, and a fixed cover and a top water spraying device are arranged in the quenching tower; a dust removal and whitening equipment is connected to the quenching tower through a pipeline; a movable cover is arranged at the lower part of the fixed cover, and the movable cover moves downward to cover the top of the quenching car; the environmentally friendly wet quenching system also includes a side water spraying device; the side water spraying device has N nozzles, each of which is aimed at a water injection port at the rear of the rear side wall of the quenching car; and each nozzle is provided with a flow regulating valve. The technical solution of the present invention solves the problems in the prior art that the quenching flue gas is highly dissipated, the "white smoke" of the tail gas is serious; the water consumption is large; the quenching time is long; the quenching is not complete, resulting in damage to the coke drying platform and the conveyor belt; the quenching water is highly corrosive to the vehicle body structure, resulting in a short service life of the whole vehicle.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The utility model discloses a pressure regulating device for a prestorage chamber of a dry quenching furnace, which relates to the technical field of coked dry quenching production and comprises the dry quenching furnace, the prestorage chamber is formed in the dry quenching furnace, a circulating fan is arranged on one side of the dry quenching furnace, an air outlet of the circulating fan is communicated with the prestorage chamber, and an air outlet of the circulating fan is communicated with the prestorage chamber. An air outlet of the circulating fan is connected with a rear diffusion flue gas pipeline, the rear diffusion flue gas pipeline is connected with a frequency conversion fan, and the pressure in the pre-storage chamber is adjusted and controlled through the frequency conversion fan. The pressure adjusting device for the prestorage chamber of the dry quenching furnace is high in adjusting timeliness, and the adjusting process is convenient and efficient.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The invention discloses a safety protection system for a cable guide vehicle of a coke dry quenching elevator, relates to the technical field of guide vehicle safety protection, solves the technical problems that in the prior art, the hidden danger protection efficiency of the guide vehicle cannot be detected, and risk management and control cannot be carried out in time, and particularly relates to a guide vehicle track detection unit. The guide rail detection module is used for carrying out guide rail detection on a cable guide, collecting rail detection information, substituting the rail detection information into a formula to obtain a detection coefficient of a guide rail, and comparing and deducing whether the guide rail detection is abnormal or not according to a coefficient threshold; the guide vehicle running analysis unit is used for analyzing the running process of the guide vehicle, collecting bearing running information and wheel running information, and deducing whether the running analysis of the cable guide vehicle is abnormal or not through information comparison; and the protection detection unit is used for detecting and analyzing safety protection measures of the cable guide vehicle, acquiring peak-to-time ratio information and braking information, and analyzing and deducing whether protection detection of the cable guide vehicle is abnormal or not according to the information.

The invention belongs to the technical field of coke powder cooling, and discloses dry quenching coke powder cooling equipment which comprises a rack, a barrel is fixedly connected to the top of the rack, a plurality of cooling pipe sets are arranged in the barrel, each cooling pipe set comprises an inner heat exchange pipe and an outer heat exchange pipe, the inner heat exchange pipe is located in the outer heat exchange pipe, and the inner heat exchange pipe and the outer heat exchange pipe are coaxially arranged; a blanking cavity is reserved between the inner heat exchange tube and the outer heat exchange tube; the outer portion of the inner heat exchange pipe is rotationally connected with a rotating disc, the top of the rotating disc is fixedly connected with a supporting rod, the outer side of the supporting rod is rotationally connected with a first gear through a connecting frame, the first gear is meshed with a first gear ring, a stirring pipe is arranged on the outer side of the supporting rod, and an eccentric block is fixedly connected to the side wall of the stirring pipe. A sliding groove for the stirring pipe to slide is formed in the first gear, and damping springs are fixedly connected between the two sides of the stirring pipe and the side wall of the sliding groove; and a driving mechanism for driving the rotating disc to rotate is arranged on the rack. The heat exchanger has the effect of improving the heat exchange efficiency.

The utility model discloses a biomass charcoal conveying device with atomizing, water spraying, cooling and discharging functions, which comprises a shell with sealing end covers at two ends, a feeding port connected with a charcoal outlet of biomass carbonization equipment is arranged at the upper end of the shell, a discharging port is arranged at the lower end of the shell, and a conveying component is arranged in the shell. A tensioning mechanism is arranged on the side, close to the feeding port, of the conveying assembly, a cold water main pipe is arranged at the top of the shell and connected with a plurality of branch pipes, and atomizing nozzles located on the upper portion of the interior of the shell are arranged at the tail ends of the branch pipes. According to the biomass charcoal conveying device, cold water can be input into all the branch pipes through the cold water main pipe, then the cold water is atomized and sprayed into the shell through the atomization nozzles at the tail ends of the branch pipes, on one hand, high-waste-heat biomass charcoal products in the conveying process are primarily cooled, on the other hand, the interior of the shell is cooled, and the cooling effect is good. The chain plate can be prevented from being heated and loosened due to the fact that the temperature in the shell is too high, and the chain plate can be tensioned and adjusted through the tensioning mechanism so that the chain plate can be in a tensioned state all the time.

The utility model provides a dry quenching circulating gas supply and waste heat utilization system which comprises a circulating gas supply mechanism and a waste heat utilization mechanism, the circulating gas supply mechanism comprises a circulating gas outlet pipe, a circulating gas inlet pipe and a circulating gas pipeline, the circulating gas outlet pipe is connected with a primary dust remover, and the circulating gas inlet pipe is provided with a secondary dust remover and a circulating fan; the waste heat utilization mechanism comprises a dry quenching boiler, a heat pipe heat exchanger and a deaerator, the dry quenching boiler is connected between the circulating gas outlet pipe and the circulating gas pipeline, the heat pipe heat exchanger is connected with a circulating fan, a water inlet of the heat pipe heat exchanger is connected with a desalting cold water pipe, and a water outlet of the heat pipe heat exchanger is connected with the deaerator through a desalting hot water pipe; and the deaerator is connected with a water inlet of the dry quenching boiler through a boiler water supply pipe. According to the device, the circulating gas is purified, combusted, cooled, subjected to heat exchange and the like through the annular circulating gas channel and the dry quenching boiler, it is guaranteed that a system for circularly supplying gas to the dry quenching boiler operates safely and stably, meanwhile, waste heat in the circulating gas is recycled, and energy is saved.

The invention relates to a bracket structure for a chute area of a dry quenching furnace. The bracket structure is formed by building a plurality of layers of bracket bricks; and a plurality of supporting pieces are arranged between every two adjacent layers of bracket bricks, the supporting pieces are hard supporting pieces, the thickness of the supporting pieces is the same as that of mortar joints, the top faces of the supporting pieces make direct contact with the upper layer of bracket bricks, and the bottom faces of the supporting pieces make direct contact with the lower layer of bracket bricks. The supporting pieces are placed in the refractory mortar joints between the bracket brick layers, so that the problems of sinking of the annular air duct and cracking of the chute partition wall caused by deformation of the bracket mortar joints and inaccurate bracket elevation control are effectively prevented, the masonry quality of the dry quenching furnace is improved, and the service life of the dry quenching furnace is prolonged.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The present invention belongs to the technical field of industrial flue gas carbon capture, and particularly relates to a system and method for realizing carbon and nitrogen co-production by using the dry coke quenching off-gas. The system includes a dry coke quenching circulating gas system, a desulfurization reactor, a fine desulfurizer, a first induced draft fan, a heat exchanger, a catalytic reactor, a waste heat boiler, a second induced draft fan, a spray cooling tower, a decarbonization absorption tower, a regeneration tower and a condensation tower. The system and method of the present invention make full use of the characteristics of high CO concentration and low oxygen content in the dry coke quenching off-gas, and utilize the dry coke quenching off-gas from the perspectives of calorific value utilization and low-oxygen purified gas, which not only solves the problems of energy waste and environmental pollution caused by the discharge of high-calorific value components in the off-gas, but also makes full use of the characteristics of the off-gas to produce purified gas with low oxygen content, crude nitrogen, high-concentration CO2, and rich in low-pressure steam, having high economic value.

The invention belongs to the technical field of coke coking, and particularly relates to dry quenching intelligent mechanical coke discharging equipment which comprises a vibration feeder located at a coke cooling outlet, a rotary sealing valve is connected to the discharging end of the vibration feeder, a material pumping device is placed on one side of the rotary sealing valve, and an intelligent catching device is arranged on the side face of a stock bin at an inlet of the rotary sealing valve. According to the invention, coke blocked in the rotary sealing valve and the vibratory feeder can be quickly cleaned, medium and large foreign matters are prevented from blocking each device of the coke discharging system, and the requirements of high intelligence and automation of the whole body are met by integrating intelligent components such as the material pumping device, the intelligent catching device and the valve plate push-pull device.

The invention relates to a double-coal-blending tamping coking method for a heat recovery coke oven, which is characterized in that a coal cake of the heat recovery coke oven is in a tamping form, a coal charging and coke pushing car works on a coke oven machine side track, and blended bulk coal falls into a coal box consisting of a ground coal wall, a front baffle plate, an on-car coal charging bottom plate, a rear baffle plate and the like through a coal distribution device of a hydraulic tamping station; the bulk coal is tamped into a coal cake by a coal pressing device of the hydraulic tamping station, and the coal cake is dragged back to a coal charging car by a coal charging bottom plate; and the coke is pushed into a quenching car from the carbonization chamber by using a coke pushing rod, a coal cake is fed into the carbonization chamber by using a coal loading bottom plate, and the furnace door is closed after the coal loading bottom plate is drawn out. The invention ensures the stability of the quality of the produced coke, realizes that the performance of the coke product meets the requirements of a blast furnace, reduces the use amount of high-cost blended coal, avoids resource waste, and reduces the cost and increases the efficiency.

The present invention provides a system for thermal remediation and / or the processing of a feed materials like contaminated materials, waste polymeric materials, waste paper products, waste wood and biomass. The system comprises at least one thermal screw conveyor provided in a housing under pressure, a first plug screw conveyor in a housing in communication with an inlet of thermal screw conveyor housing and a second plug screw conveyor in a housing in communication with an outlet of thermal screw conveyor housing. The thermal housing is configured to heat the feed material to form one or more vaporized products and a solid residue, wherein one or more vaporized products are removed through the one or more vapor ports provided in the pressure housing, and the solid residue is discharged from an outlet of the second seal-housing.

The utility model belongs to the technical field of dry quenching circulating gas diffused gas purification, and particularly relates to a dry quenching circulating gas diffused gas purification and waste heat utilization system which comprises a desulfurization unit, a dust removal unit, a diffused gas induced draft fan and a chimney, the desulfurization unit and the dust removal unit are connected through a flue gas pipeline, and the diffused gas induced draft fan serves as a power source. The method is characterized in that the emission port of the dust removal unit passes through the CO removal unit and then is discharged to the chimney; the CO removal unit comprises a CO catalytic oxidation device and a waste heat recovery device, and a flue gas heating device is arranged at the preceding stage of the CO catalytic oxidation device; the waste heat recovery device and a heat user form a waste heat recovery loop through a heating medium conveying device and a pipeline. According to the utility model, CO in the flue gas can be synchronously removed while SO2 and particulate matters in the diffused gas of the dry quenching circulating gas are removed; meanwhile, reaction heat in the CO catalytic oxidation process can be effectively recycled, and cooperative treatment of pollution reduction and carbon reduction is achieved.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The embodiment of the invention provides an operation state determination method and device, electronic equipment and a medium. The method comprises the steps that after a tank body is controlled to move to a target position, a first image is collected through a collecting device, and the collecting end of the collecting device right faces the first side face of a lifting lug when the tank body is in an in-place state; based on the first image, offset data of the tank body in the X-axis direction is determined, and the X axis is perpendicular to the collecting end of the collecting device and faces and is parallel to the reference horizontal plane; and based on the first image, determining rotation offset data of rotation of the tank body around a Y axis, the Y axis being perpendicular to a reference horizontal plane.

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.

The invention discloses a carbon dioxide emission reduction and utilization process and device based on a dry quenching process, and belongs to the technical field of coking and carbon emission reduction. The device comprises a coke receiving tank, a reduction reactor, a dry quenching furnace, a high-temperature dust remover, a waste heat boiler, a steam turbine, a cyclone separator and a CO separation device, according to the invention, the reduction reactor is arranged, the heat of red coke is utilized, CO2 is subjected to a reduction reaction to be converted into CO, and the CO and H2 are used for producing high-value chemicals such as fuel oil or methanol or olefin through the synthetic gas conversion device, so that efficient and controllable conversion and utilization of coking CO2 are realized; and a gas collecting hood and a nitrogen replacement process are arranged, so that air does not permeate into the reduction reactor and a reaction product CO in the coke loading process, coke burning loss is completely eradicated, the explosion risk is eliminated, and safe and stable operation of the whole process is realized.

The utility model discloses a dust removal device for reducing particulate matters in a quenching tower, which belongs to the technical field of wet quenching dust removal and comprises four stages of serial dust removal structures arranged in the quenching tower from bottom to top in sequence. Comprising a first-stage dust removal device, a second-stage dust removal device, a third-stage dust removal device and a fourth-stage dust removal device, the first-stage dust removal device is arranged above the top of the quenching car and comprises an upper-layer dust removal baffle group, a middle-layer dust removal baffle group and a lower-layer dust removal baffle group, each layer of dust removal baffle group comprises a plurality of dust removal baffles which are arranged in parallel, and each dust removal baffle is fixedly connected with the inner wall of a quenching tower; the third-stage dust removal device comprises a louvered dust removal plate, the fourth-stage dust removal device comprises a water mist spraying system, and the technical problems that an existing coke quenching tower is low in dust removal efficiency, poor in particulate matter stage treatment capacity, insufficient in harmful gas treatment and the like are effectively solved.

The invention discloses a low-temperature upgrading furnace. The low-temperature upgrading furnace comprises a furnace body, a heat exchanger for heating pulverized coal in the furnace body, a shaking device for driving the heat exchanger to shake, a gas collecting device for collecting coal gas in the heated pulverized coal and a cooling device for cooling the heated pulverized coal, and the shaking device is connected with the heat exchanger; each gas collecting device comprises first gas collecting and distributing devices used for collecting coal gas, the first gas collecting and distributing devices are arranged in the horizontal direction, the adjacent first gas collecting and distributing devices are arranged in a staggered mode in the vertical direction, and the first gas collecting and distributing devices in the vertically adjacent gas collecting devices are arranged in a staggered mode in the horizontal direction; each cooling device comprises second gas collecting and distributing devices used for releasing cooling gas, the second gas collecting and distributing devices are arranged in the horizontal direction, the adjacent second gas collecting and distributing devices are arranged in a staggered mode in the vertical direction, and the second gas collecting and distributing devices in the vertically adjacent cooling devices are arranged in a staggered mode in the horizontal direction. Pulverized coal subjected to dry distillation of the low-temperature upgrading furnace is not prone to caking and fluffy.

The sectional type circulating dust remover comprises a primary dust removal barrel with a flow guide cover and a dust collection hopper arranged on the upper portion and the lower portion respectively, a dust removal disc communicated with an air inlet channel is rotationally installed in the primary dust removal barrel, and a secondary dust removal barrel with an opening in the front end is fixedly installed at the top end of the flow guide cover; according to the invention, a dust removal mode combining gravitational dust removal and cloth bag dust removal is adopted, a plurality of gas inlet channels are matched with a rotating dust removal disc, inert gas is subjected to multi-chamber split-flow treatment, the inert gas rushes into a separation cavity, large particles and gas are promoted to be separated, primary dust removal is completed, and light gas moves upwards and is guided into a secondary dust removal cylinder through a gas guide pipe; the rotary cloth bag is used for secondary dust removal, the dust removal surface is continuously changed in the process, the dust removal effect is improved, the rotary cloth bag is subjected to reverse blowing treatment through the blowing assembly in the dust removal process, the problem of cloth bag blockage is solved, segmented dust removal treatment is achieved, and the recycling standard is achieved.