391results about "Gas dust removal" patented technology

The invention discloses a cyclone separation and moving particle bed coupled pulverized coal pyrolysis oil gas high-temperature dust removal system, and belongs to the technical field of coal clean utilization. The system comprises a cyclone separator, a fine filtration unit, a filter material cyclic regeneration unit and an intelligent control unit, the fine filtration unit comprises a particle bed, a particle bin is arranged at the top end of the particle bed, and a composite filter material layer is arranged on the particle bed; a dust-containing high-temperature oil gas pipeline and a pretreatment high-temperature oil gas pipeline are arranged at the top end of the cyclone separator, dust-containing high-temperature oil gas is introduced into the cyclone separator through the dust-containing high-temperature oil gas pipeline to be pretreated, and the pretreated dust-containing high-temperature oil gas is introduced into the particle bed through the pretreatment high-temperature oil gas pipeline to be finely filtered; and a coke breeze discharge pipe is arranged at the bottom of the cyclone separator. The invention is used for solving the technical problem of low gas-solid separation efficiency at high temperature caused by the adoption of a single filter material in the existing pulverized coal dust removal system.

The invention discloses a system and a method for producing sponge iron by coupling a gasification furnace and a gas-based shaft furnace. The system comprises a coal pretreatment device for pretreating received raw material coal; the gasification furnace receives the raw material coal treated by the coal pretreatment device through a conveying device, and synthesis gas is obtained through reaction; the mixer receives furnace top gas generated by the gas-based shaft furnace, mixes the furnace top gas with synthesis gas to obtain mixed gas, and outputs the mixed gas to the dust remover; the high-temperature desulfurization device is used for carrying out desulfurization treatment on the dedusted mixed gas by using a high-temperature desulfurization agent, and the high-temperature decarbonization device is used for carrying out decarbonization treatment on the desulfurized mixed gas and outputting the decarbonized mixed gas to the gas-based shaft furnace; iron ore and / or oxidized pellets are / is arranged in the gas-based shaft furnace, the decarbonized mixed gas is received, and sponge iron is generated through reaction. According to the method, the synthesis gas is cooled by using the furnace top gas, additional cooling equipment is not needed, the cost is reduced, the energy utilization rate is increased, and cleaner and more efficient sponge iron production is realized.

The invention discloses a high-efficiency coking furnace, and relates to the technical field of coking equipment, the high-efficiency coking furnace comprises a furnace body assembly, the furnace body assembly comprises a lower furnace body and an upper furnace body, the outer wall of the lower furnace body and the outer wall of the upper furnace body are sleeved with a heat insulation shell, the bottom of the heat insulation shell is fixedly connected with a supporting base, and a rotating assembly is installed at the center of the top surface of the supporting base; a heat energy recovery assembly is installed on the top face of the upper furnace body, the heat energy recovery assembly is connected with a purification assembly, and two temperature sensing assemblies are installed in the heat energy recovery assembly. The heat exchange structure can fully utilize heat energy of high-temperature flue gas in the carbonization chamber to preheat low-temperature clean coal gas and cold air, a gas heat absorption path is prolonged through a labyrinth structure, the temperature of gas entering the gas mixing ring is greatly increased, and the mixed combustion heat value of the clean coal gas and hot air after heat exchange is remarkably higher than that of normal-temperature mixed gas; therefore, combustion efficiency is improved, fuel consumption is reduced, and sufficient and stable heat sources in the coking process are ensured.

The invention provides a supergravity dust removal device integrating rotary atomization and filling. The supergravity dust removal device comprises a shell, a first motor, a demisting module, a filling layer, a liquid distributor and a second motor, the shell is provided with a gas outlet, a liquid inlet, a gas inlet and a liquid outlet, and the gas inlet is used for introducing coal gas; the filler layer is arranged in the shell, is connected with the output end of the second motor and is used for improving the gas-liquid mixing effect and the dust trapping efficiency in a rotating state; the liquid distributor is communicated with the liquid inlet, a plurality of atomizing nozzles are arranged on the liquid distributor, and liquid is atomized and then sprayed to the filler layer; the demisting module is arranged above the liquid distributor, the demisting module and the liquid distributor are jointly connected with an output shaft of the first motor, and the demisting module and the liquid distributor are used for separating liquid drops and particles in the gas in a rotating state. According to the dust removal device, inertial sedimentation of coarse particles and supergravity separation of fine particles can be integrated, and graded dust removal and liquid removal are achieved.

The utility model relates to a raw gas source upgrading system for an internal heating type vertical furnace. The raw gas source upgrading system comprises a dry distillation furnace, a carbon dioxide removal device and a pure oxygen preparation device, the device further comprises a first multi-stage mixer, a second multi-stage mixer, a gas sampling analysis tube and a gas component detector. Pure oxygen is adopted as a combustion improver, so that the content of nitrogen in the raw gas is greatly reduced, and the application scene of coal gasification production and deep processing of the internal heating type vertical furnace is expanded; the components of combustion-supporting gas, combustible gas and inert gas in mixed gas in a lattice wall of the dry distillation furnace are controlled by adopting double-circulation control of carbon dioxide and recirculated gas, the combustion intensity and the uniformity degree are strictly controlled under the condition that dry distillation heat supply is met, and scabbing and burning loss of a dry distillation furnace body are avoided.

The present invention provides a method for hydrogen production from coke oven gas based on the electrochemical reduction of CO2 technology. The method includes gas pretreatment, multi-stage membrane separation, catalytic reaction, and electrocatalytic reduction. Particulates, tar, and moisture are removed through cyclone separation and activated carbon adsorption, and MDEA and zinc oxide desulfurization are combined to ensure gas purification; a multi-stage membrane separation technology is used to achieve the separation of high-purity hydrogen. Through high-temperature and low-temperature water gas shift and methane steam reforming reactions, CH4 and CO are efficiently converted to further increase the hydrogen production. The electrocatalytic reduction technology is innovatively adopted to convert CO2 into CO, H2, and HCOOH to achieve carbon resource recycling. The present invention has the characteristics of high efficiency, low consumption, and low carbon, and is applicable to the deep purification and resource utilization of coke oven gas.

The invention provides a low-rank coal pyrolysis system and a control method thereof. The low-rank coal pyrolysis system comprises a through-flow type rotary dryer, a pyrolysis furnace, a dust remover, a waste heat recovery device, a venturi tower and a purification recovery device, and a dried coal outlet of the through-flow type rotary dryer is connected with a product inlet of the pyrolysis furnace; a raw gas outlet of the pyrolyzing furnace is connected with a gas inlet of the venturi tower through the dust remover and the waste heat recovery device in sequence, a flue gas outlet of the pyrolyzing furnace is communicated with a flue gas recovery port of the cross-flow rotary dryer to recover flue gas to dry raw material coal, and a tower bottom outlet of the venturi tower is connected with the ammonia water purification and recovery device to recover coal tar; and a coal gas outlet of the venturi tower is communicated with the coal gas purification and recovery device. According to the low-rank coal pyrolysis system provided by the invention, on one hand, waste heat of raw gas can be recycled, and on the other hand, raw materials can be conveniently dried, so that the pyrolysis efficiency is improved.

The utility model belongs to the technical field of washing towers, and particularly relates to a glass fiber reinforced plastic antistatic washing tower which comprises a tower body, an air inlet pipe is fixedly connected to the outer wall of the tower body, a rotating cover is screwed to the top end of the air inlet pipe, and pollution gas drives the rotating cover to rotate through a guide plate by arranging the rotating cover and a stirring plate. A rotating cover rotates to drive a connecting shaft to synchronously rotate, polluted gas is filtered through a first filter screen, meanwhile, the connecting shaft rotates to drive a stirring plate to rotate through a stirring rod, the polluted gas in the tower body is stirred, the contact time of the polluted gas and a neutralization solution is greatly prolonged, then the polluted gas enters a neutralization filler, and then the neutralization solution enters the neutralization filler; the water pump works and sprays out from the nozzle through the spraying pipe to neutralize the pollution gas in the neutralization filler, meanwhile, impurities in the pollution gas flow into the collecting barrel through neutralization liquid, then the treated pollution gas is discharged from the exhaust pipe through the second filter screen, and full washing operation on the pollution gas is achieved.

An integrated gasification and power generation system includes a gasifier configured to receive biomass and generate syngas, wherein the gasifier is configured to operate at a pressure of approximately 100 bar to approximately 400 bar. The system further includes a recuperated Brayton thermodynamic power generation loop configured to receive the generated syngas and convert the generated syngas into a CO2 working fluid, wherein at least a portion of the CO2 working fluid from the power generation loop is reintroduced from the power generation loop to the gasifier.

This utility model discloses a coke oven gas spray slag removal nozzle that is easy to maintain, comprising: a second water inlet pipe; an outer support plate, the outer support plate being disposed on the outside of the second water inlet pipe, a rotary joint being installed on the top of the outer support plate, and the top end of the second water inlet pipe being connected to the rotary joint. The beneficial effects of this utility model are: by setting an outer support plate, an inner threaded cylinder, and an outer threaded sleeve, rotation of the outer support plate, the inner threaded cylinder, and the second water inlet pipe is realized; the inner threaded cylinder is threaded on the outside of the outer threaded sleeve to prevent gas leakage; by setting an annular sealing groove and a sealing ring, the sealing ring at the top of the outer threaded sleeve and the annular sealing groove opened inside the inner threaded cylinder are matched, further improving the sealing effect between the outer threaded sleeve and the inner threaded cylinder and avoiding gas leakage.

The utility model discloses a device for improving the oil yield of shale oil, which comprises a plurality of sprayers arranged in a gas pipeline connected between a water seal tank and a venturi tower, and a hot water circulating pump with an inlet end connected with a heat exchange pool and an outlet end respectively connected with the sprayers and the water inlet end of the venturi tower through pipelines.

The utility model discloses a dust filtering device for coal bed gas transportation, include: the dust filtering device includes filter device casing, the filter device casing inside is provided with filter chamber, the filter chamber is vertically provided with chamber partition plate in, and the filter chamber is divided into the dust containing gas chamber of upper portion and the purification gas chamber of lower portion, the dust containing gas chamber top is provided with dust containing gas import, the purification gas chamber top is provided with purification gas export, a plurality of partition plate through -tubes are vertically passed through and are arranged to the chamber partition plate, the partition plate through -tube lower half segment is provided with the filter assembly of filterable magnetic impurity. The utility model's partition plate through -tube constructs directional airflow channel, and the dust containing airflow is forced to flow through the filter assembly segment, and simultaneously, the radial outer side arrangement's permanent magnetism adsorption body synchronous capture magnetic impurity, and the coal bed gas dust filtering efficiency is improved significantly, and the filter core inside and outside double skeleton support frame structure further strengthens the filter element pressure resistance stability under high pressure working condition.

The invention relates to the technical field of biomass treatment, in particular to a biomass gasification system and a biomass gasification method. The biomass gasification system comprises a gasification furnace which is provided with a furnace body, a biomass inlet communicated with the furnace body, a gasification agent inlet and a crude synthesis gas outlet; an inlet of the waste heat boiler is communicated with the crude synthesis gas outlet, and an outlet of the waste heat boiler is connected with a negative pressure device; an inlet of the dust remover is communicated with the negative pressure device, and an outlet of the dust remover is connected with a cooling device. The biomass and the gasifying agent are gasified and reacted in the gasifier to generate crude synthesis gas, the crude synthesis gas is discharged after being dedusted by the deduster and cooled by the cooling device in sequence under the negative pressure environment provided by the negative pressure device, and due to the arrangement of the negative pressure device, the atmospheric pressure in the system is always lower than the atmospheric pressure outside the system; therefore, the synthesis gas generated in the system cannot be leaked, but is discharged from a unified outlet after being treated, so that the normal operation of equipment is ensured, and the potential safety hazard is reduced.

The utility model relates to the technical field of methanol purification, and provides a coal-to-methanol synthesis gas purification device which comprises a catalytic device, a gas inlet is formed in the top of the catalytic device, and a gas outlet is formed in the bottom of the catalytic device; a gas distributor is installed at the position, close to the inner side of the catalytic device, of the bottom of the gas inlet, two partition plates are further arranged on the inner side of the catalytic device, a ring pipe is arranged at the position, arranged on the inner side of the catalytic device, between the two partition plates, and cooling pipes are arranged at the bottom end and the outer side of the ring pipe. A catalyst cavity is formed in the inner side, close to the outer side of the cooling pipe, of the catalytic device; the application of the demister further removes tiny liquid drops and vaporific impurities entrained in the gas, ensures the purity of the purified synthesis gas, and meets the strict requirements of high-end chemical production on the gas quality.

The application discloses a biomass combustible gas hydrogen separation device and separation method, relates to the technical field of separation, and comprises a first separation box and a gas supply pipe arranged at the left upper side of the first separation box. A washing liquid for loading washing water is arranged in the first separation box. The right end of the gas supply pipe is provided with a washing water inlet pipe extending into the first separation box. The lower end of the washing water inlet pipe extends below the liquid level in the first separation box. The first separation box is provided with a vertical impurity removal filter plate for filtering the washed gas. The application is designed according to the existing needs. The pyrolysis gas can be subjected to solid impurity removal treatment, so that only gas exists in the exhaust gas, the screening efficiency of the molecular sieve in the later stage is ensured, the residual solid in the washing liquid can be removed, the washing effect is ensured, the impurity removal filter plate can be subjected to scraping operation, the problem of exhaust gas blockage is avoided, the separation efficiency of hydrogen is further ensured, and the practicality is high.

The invention discloses a membrane tube filter. The membrane tube filter comprises a shell, a tube plate, a membrane tube filter assembly, an air inlet, an air outlet, an air pocket, a back flushing tube and a discharge port, the off-line regeneration method of the membrane tube filter comprises seven steps. The device has the advantages that in the off-line regeneration process, oxygen-containing high-temperature back-blowing gas is sprayed into the membrane tube from the back-blowing tube in a pressurizing manner, so that the combustion process and the back-blowing process can be simultaneously carried out from inside to outside, ash generated by combustion can be taken out from the membrane tube in time under the action of pressure, and the combustion efficiency is improved. Therefore, the membrane pipe is prevented from being blocked, the combustion rate is improved, the local temperature of the membrane pipe is prevented from being too high, and the service life of the membrane pipe is ensured; moreover, combustion and back flushing are carried out simultaneously, so that the regeneration process can be simplified, and the regeneration time is effectively shortened.

The application relates to an IGCC system coupled with biomass and near-zero emission high-purity CO2 capture and a working method thereof, and belongs to the field of coal gasification combined cycle power generation coupled with biomass, in particular to an IGCC system coupled with biomass and near-zero emission high-purity CO2 capture and a working method thereof. The application is used for solving the problems that the existing IGCC system has low CO2 capture rate, high energy consumption, low power generation efficiency, and a large amount of nitrogen generated in the oxygen taking process and difficult to effectively utilize. The application comprises an air separation device, a gasification furnace, a sensible heat recovery device, a purification device, a gas power generation unit, a waste heat recovery unit, a steam power generation unit, a biomass fermentation device, a methane reforming unit, an adsorption separation unit and an ammonia synthesis tower. The application is based on the overall coal gasification combined cycle power generation system of post-combustion CO2 capture and oxygen-enriched combustion technology, introduces a biomass ammonia synthesis process, generates H2 and CO through biomass fermentation and reforming, utilizes N2, and improves the system efficiency.

The utility model provides a washing tower tray and washing tower, the washing tower tray comprises a weir plate, an overflow plate and a current collecting plate group, the periphery of the weir plate comprises a matching side and an overflow side, the matching side is used for limiting and matching with the inner wall of a cavity where the washing tower tray is located, and the overflow side is spaced from the inner wall of the cavity where the washing tower tray is located. The area above the weir plate surrounded by the current collection plate group and the inner wall of the cavity where the washing tower tray is located is a current collection area, the weir plate corresponding to the current collection area is provided with a first pollution discharge hole, the overflow plate is arranged on the overflow side and extends in the horizontal direction, and the two ends of the overflow plate extend to the connecting position of the matching side and the overflow side respectively; an area above the weir plate surrounded by the overflow plate, the current collection plate group and the inner wall of the cavity where the washing tower tray is located is an overflow area, a second pollution discharge hole is formed in the bottom of the overflow plate, and the lower edge of the second pollution discharge hole is flush with the bottom wall of the overflow area. According to the technical scheme provided by the utility model, the problem that the tray of the washing tower is easy to block in the prior art can be solved.

The invention discloses a reaction system for producing hydrogen through coal supercritical water gasification. The reaction system comprises a vertical tank body, a heat insulation lining, a gas collection chamber, a separator, a slag collection chamber, a coal water slurry distribution pipe and an inlet diffuser, the separator is arranged between the gas collection chamber and the slag collection chamber, an upper exhaust port of the separator is communicated with the gas collection chamber, and a lower slag discharge port of the separator is communicated with the slag collection chamber; an ash inclined pipe at the lower part of the slag collecting chamber extends out of the vertical tank body to form an ash outlet; the coal water slurry distribution pipe is an annular pipe, and coal water slurry distribution holes are formed in the coal water slurry distribution pipe; the inlet diffuser is mounted at the bottom head of the vertical tank body; the inlet end of the supercritical water inlet pipe extends out of the bottom head of the vertical tank body to form a supercritical water inlet; a coal water slurry inlet is formed in the coal water slurry distribution pipe; a gas outlet is formed in a top sealing head of the vertical tank body; the lower end of the gas outlet is communicated with the gas collecting chamber. According to the invention, coal is gasified in a supercritical water environment to generate hydrogen, so that clean utilization of coal is realized; uniform heat supply of supercritical water to gasification reaction can be realized, and high-efficiency gasification of coal under large treatment capacity is realized.

To realize a configuration capable of curbing an increase in a concentration of carbon monoxide contained in processed gas produced after exhaust gas produced when exhaust gas after combustion of thermal decomposition gas undergoes a process in a woody biomass gas combustion facility in which the thermal decomposition gas generated through thermal decomposition of woody biomass undergoes combustion.SOLUTION: A woody biomass gas combustion facility 1 comprises: a filter 23 which collects particles in thermal decomposition gas obtained from woody biomass; oxidation catalyst reaction device 16 which oxidizes carbon monoxide contained in exhaust gas produced when the thermal decomposition gas undergoes combustion with a gas engine 15; a particle removal mechanism 25 which performs particle removal operation; an oxidation gas supply device 40 which mixes the exhaust gas with oxidation gas; and a control device 30 which controls drive of the oxidation gas supply device 40 so as to mix the exhaust gas with the oxidation gas when the particle removal mechanism 25 performs the particle removal operation.SELECTED DRAWING: Figure 1

The invention discloses a protection method for low-temperature corrosion of high-sodium coal pyrolysis gas. The protection method comprises the following steps: cooling chlorine-containing high-temperature gas generated by high-sodium coal pyrolysis to 400-600 DEG C in a temperature control manner, and feeding the chlorine-containing high-temperature gas into a high-temperature dust remover for dust removal; feeding the dedusted chlorine-containing high-temperature coal gas into a multi-stage waste heat recovery device for temperature control condensation, wherein the temperature control range is 300-40 DEG C; in the temperature control condensation process, a continuous and compact tar liquid film layer is formed on the wall of a heat exchange pipe of the waste heat recovery device in an attached mode; through the formed tar liquid film layer, chlorine-containing high-temperature coal gas is isolated from being in direct contact with the wall of the heat exchange pipe, and corrosion of chlorine elements to the wall of the heat exchange pipe is avoided. The self-repairing tar liquid film is formed on the heat exchange surface through accurate temperature control, and the problem that metal equipment is corroded by a chlorine-containing medium is solved by combining sodium adsorption and chlorine blocking mechanisms.

The present invention relates to a method of generating a producer gas (Synthesis gas - syngas) from carbon contained feedstock. The method is a three-stage gasification, including pre-gasification - pyrolysis; gasification of pyrolysis vapor-gas mixture; gasification of solid fuels. As feedstock can be used any carbon contained feedstock like Refuse Derived Fuel (RDF), medical waste, agricultural waste, tires, automobile shredder residue (ASR or car-fluff), residues and waste materials, biomass such as straw, wood or grass, but also from the biogenic solid or liquid waste resulting from the food industry, sewage sludge from waste water treatment, spent high-salt solutions from wood pulping, known as black liquor, and products from animal carcass processing, such as animal meal. Method for three-stage gasification from carbon contained feedstock, including gasification processes preceded by reduction of water content, pre-gasification - pyrolysis of the pre-dried and optionally ground feedstock, at a pressure that is lower or higher than atmospheric; after the gasification process, the gas is cooled; the process of pre-gasification - pyrolysis takes place at temperatures between 240 and 900 °C, at a pressure that is lower or higher than atmospheric; gasification processes take place at temperatures between 800 and 2200 °C, at pressures that are lower or higher than atmospheric; the required amount of oxygen for the gasification process is introduced by adding air or mixture pure oxygen and water vapor and / or other inert component in gas form, like CO2 etc.; the gasification fluid from the gasification stage can be used alone or in combination with other gases, as a heater - heating agent in the preceding pre-gasification stage - pyrolysis; the waste heat from the gasification processes can be used to generate low or highpressure and / or preheated steam and / or for preheating the air needed for gasification, and / or for heat recuperation for pyrolysis agent, in several steps of agent preheating; the products from pre-gasification - pyrolysis: a vapor-gas mixture and a solid phase - charcoal or coke can be used alone or in combination as a fuel in the gasification stage; granulation of pyrolysis solid product - coke or charcoal, alone or whit some additives like heavy tars from gasification and / or with small fraction of feeding materials, with low temperature melting point like small plastic particles etc.; direct continuous or periodic gasification of pyrolysis vapors with air or air / steam or oxygen / steam or oxygen / CO2 in the burner on gasifier; direct continuous or periodic gasification of carbon granules with air or air / steam or oxygen / steam or oxygen / Co2 in the stationary bed in gasifier; all gases from pyrolysis vapor gasification or pyrolysis vapors itself pass through heated to high temperatures carbon granules, located on stationary bed of gasifier

The utility model relates to a converter gas metal filter bag dust removal device belongs to converter gas dust removal technical field, including furnace body and metal filter bag, the right side of furnace body is equipped with the dismounting structure for metal filter bag dismounting, the dismounting structure includes the flue gas pipe fixedly connected in the exhaust end of furnace body, the right -hand end fixed connection of flue gas pipe has the connecting pipe, the right -hand end fixed connection of connecting pipe has the first installation pipe sleeve, the right -hand end fixed connection of first installation pipe sleeve has eight positioning installation column, this converter gas metal filter bag dust removal device, metal filter bag installs between first installation pipe sleeve and second installation sleeve respectively, through the effect of positioning installation column and installation ring will metal filter bag carry out positioning installation, through the effect of electric sliding table and connecting rod drives second installation sleeve left and right movement and adjusts, through the effect of sealing sleeve carries out sealing treatment between the connecting place of first installation pipe sleeve and second installation sleeve.

The invention discloses a reaction device for producing hydrogen through coal supercritical water gasification. The reaction device comprises an inner-layer vertical tank body, an outer-layer vertical tank body, a jacket layer of the inner-layer vertical tank body, a gas collection chamber, a separator, a slag collection chamber, a coal water slurry distribution pipe and an inlet diffuser, the separator is arranged between the gas collection chamber and the slag collection chamber, an upper exhaust port of the separator is communicated with the gas collection chamber, and a lower slag discharge port of the separator is communicated with the slag collection chamber; an ash inclined pipe is arranged at the lower part of the slag collecting chamber and extends out of the outer-layer vertical tank body to form an ash outlet; the coal water slurry distribution pipe is an annular pipe, and coal water slurry distribution holes are formed in the pipe wall; the inlet diffuser is mounted at a bottom sealing head of the inner-layer vertical tank body and directly faces the outlet end of the supercritical water inlet pipe, a gas outlet extending out of the outer-layer vertical tank body is formed in a top sealing head of the inner-layer vertical tank body, and the lower end of the gas outlet is communicated with the gas collecting chamber. According to the invention, coal is gasified in a supercritical water environment to generate hydrogen, so that clean utilization of coal is realized; uniform heat supply of supercritical water to gasification reaction can be realized, and high-efficiency gasification of coal under large treatment capacity can be realized.

The invention relates to a primary cooler and a using method thereof.The primary cooler comprises a primary cooler side plate, a primary cooler cover plate and a primary cooler bottom plate which form a primary cooler shell, and further comprises a coal gas outlet, a low-temperature water section, a circulating water section, a spraying liquid inlet, a coal gas connecting pipeline, a coal gas purifier and a coal gas washer; a circulating water section and a low-temperature water section are sequentially arranged between the top of the primary cooler and the bottom of the primary cooler, the coal gas outlet is formed in the bottom of the primary cooler, and the spraying liquid inlet is formed in the top of the primary cooler; the coal gas connecting pipeline, the coal gas purifier and the coal gas scrubber are arranged outside the primary cooler, the bottom of the coal gas connecting pipeline is inserted into the coal gas purifier, and the coal gas scrubber is communicated with the side wall of the section, where the coal gas connecting pipeline is inserted, of the coal gas purifier; the content of impurities in coal gas is reduced, the coal gas is uniformly arranged at the top of the primary cooler, the coal gas is uniformly distributed when entering the primary cooler, the equipment is simple and compact, and the occupied area is reduced.

The invention relates to a high-temperature dust removal system for waste lithium battery recovery pyrolysis gas, and belongs to the technical field of lithium battery recovery. The system comprises a rack, a heat preservation shell, an air inlet pipe, a labyrinth settling area, a metal filter bag area, an exhaust pipe, a spiral conveyor, an oxygen content measuring instrument and a pressure sensor, pyrolysis gas enters the system from the air inlet pipe, and fine particles are filtered out through a metal filter bag after the pyrolysis gas is subjected to pre-dedusting through the labyrinth settling area; an oxygen content measuring instrument and a pressure sensor ensure oxygen-deficient atmosphere and safe pressure; and the spiral conveyor is used for outputting materials after pyrolysis gas separation. Pre-dedusting and fine dedusting of pyrolysis gas are achieved through the labyrinth settling area and the metal filter bag area, the thermal insulation shell can prevent condensation of the pyrolysis gas, and the oxygen content measuring instrument and the pressure sensor can monitor the oxygen content and pressure in the thermal insulation shell in real time; therefore, the technical problems that the pyrolysis gas is easy to condense and block, the dust removal efficiency is low and the safety risk is high are solved, and safe, efficient and continuous dust removal of the pyrolysis gas is realized.

A process for converting plastic materials into pyrolytic oils, wherein: plastic materials are continuously fed into a preheating reactor to be mixed and preheated at a preheating temperature to obtain a pasty mixture; the pasty mixture is continuously transferred into a pyrolysis reactor to be heated at a pyrolysis temperature, under an anaerobic or inert atmosphere, to be converted into synthesis gases and a solid reaction product; the synthesis gases, containing condensable gases and uncondensable gases, are recovered on a first outlet located above the permeable bed, and the solid reaction product is recovered on a second outlet located below the permeable bed; the condensable gases of the synthesis gases are condensed into pyrolytic oils which are recovered.

The present invention discloses a plasma gasification biomass power generation and synthetic ammonia co-production system, comprising a plasma gasification system, an impurity removal and separation system, a gas turbine power generation system, a supercritical carbon dioxide power generation system, a steam turbine power generation system, a synthetic ammonia and ammonia power generation system, and an air separation unit. The plasma gasification system employed in the present invention can significantly increase the yield of syngas; the impurity removal and separation system can improve gas purity; the gas turbine power generation system, the supercritical carbon dioxide power generation system, and the steam turbine power generation system can form a multi-stage, efficient syngas and waste heat utilization system, fully leveraging the advantages of distributed energy. Furthermore, the present invention effectively utilizes syngas waste heat while achieving the co-production of synthetic ammonia and ammonia power generation, further improving energy efficiency.

The invention provides a carbon capture system. The carbon capture system comprises a gasification system; the dust removal washing system is positioned at the downstream of the gasification system and is communicated with the gasification system; the transformation system is positioned at the downstream of the dust removal washing system and is communicated with the dust removal washing system; the synthesis gas separation system is positioned at the downstream of the conversion system and is communicated with the conversion system; the power generation system is communicated with the gasification system; the power generation system is communicated with the synthesis gas separation system; the synthesis gas separation system comprises a plurality of synthesis gas separation assemblies, the synthesis gas separation assemblies are arranged in parallel, each synthesis gas separation assembly comprises a first controller and an execution device in control connection with the first controller, and each execution device has a separation state and a cut-off state. According to the technical scheme, the problem that a carbon capture system in the related technology cannot be adjusted in time when facing the load change of carbon capture is effectively solved.

The invention discloses a gas decontamination and hydrolysis composite tank and a blast furnace gas fine desulfurization system, comprising a reaction tank body, wherein a gas inlet and a gas outlet are radially arranged on the reaction tank body, three mesh partitions are arranged inside the reaction tank body, the mesh partitions are arranged parallel to the center line of the reaction tank, and the gas flows radially along the tank body. The mesh partitions divide the interior of the reaction tank body into a gas distribution chamber, a decontamination chamber, a catalytic hydrolysis chamber and a gas collecting chamber. The gas inlet is arranged on the gas distribution chamber side of the reaction tank body, and the gas outlet is arranged on the gas collecting chamber side of the reaction tank body. A decontamination agent is placed in the decontamination chamber, and an organic catalytic converter is placed in the catalytic hydrolysis chamber. The gas enters the gas distribution chamber from the gas inlet, flows uniformly toward the decontamination chamber and the catalytic hydrolysis chamber, and is discharged through the outlet after merging in the gas collecting chamber. The gas has low resistance along the gas flow and low pressure loss, and can meet the requirements of removing harmful impurities in blast furnace flue gas and catalytically hydrolyzing organic sulfides.