Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

51results about How to "Improve pyrolysis efficiency" patented technology

Waste plastic pyrolysis-catalysis system based on electromagnetic induction heating and catalytic reforming method

The invention discloses a waste plastic pyrolysis-catalysis system based on electromagnetic induction heating and a catalytic reforming method, and relates to the technical field of plastic pyrolysis. The problems that in the existing plastic pyrolysis-catalysis process, the yield and quality of CNTs and H2 are affected by factors such as non-uniform heating, catalyst deactivation and difficult product separation exist are solved. The system comprises a gas inlet device, a waste plastic pyrolysis device, a waste plastic continuous feeding device, a waste plastic catalytic reforming device and a gas collecting device, the gas inlet device is used for providing argon gas flow for the waste plastic pyrolysis device through a gas pipe; the waste plastic continuous feeding device is used for feeding waste plastic into the waste plastic pyrolysis device for heating and cracking; pyrolysis products enter a waste plastic catalytic reforming device after passing through a waste plastic pyrolysis device; according to the waste plastic catalytic reforming device, the temperature is regulated and controlled through the electromagnetic induction heating module, and the catalytic reforming process is optimized; and gas products after catalytic reforming are collected by a gas collecting device. The method is applied to the field of plastic recovery.
Owner:HARBIN INST OF TECH

Rotary kiln for recycling pyrolysis energy of oil-based rock debris

The invention discloses a rotary kiln for recycling pyrolysis energy of oil-based rock debris. A jacket heating chamber is mounted on the rotary kiln, a knocking mechanism is arranged between the outer wall of the rotary kiln and the inner wall of the jacket heating chamber, a feeding hopper is arranged at a feeding port of the rotary kiln, a dust remover is arranged at the air outlet end of a discharging port of the rotary kiln and communicated with a heat exchanger, and the heat exchanger is communicated with the rotary kiln. Mixed gas composed of water vapor and low-boiling-point organic gas separated by the heat exchanger is conveyed to the jacket heating chamber through a pipeline, mineral oil condensed by the heat exchanger is conveyed to the oil storage tank, and the jacket heating chamber burns the organic gas in the mixed gas and heats the water vapor in the mixed gas to heat the rotary kiln. A gas outlet pipeline of the jacket heating chamber conveys part of high-temperature gas obtained after combustion of the mixed gas to the knocking mechanism to serve as a power source for knocking the rotary kiln. Heat generated by recycling pyrolysis is used for driving the knocking mechanism to achieve descaling of the inner wall of the rotary kiln, the situation that a large number of reaction materials adhere to the inner wall of the rotary kiln is avoided, and normal use of the rotary kiln is guaranteed.
Owner:SICHUAN HUAJIE JIAYE ENVIRONMENTAL PROTECTION TECH CO LTD

Stable-operation electromagnetic heating device and manufacturing method thereof

The invention relates to the technical field of pyrolysis and carbonization, and particularly discloses a stable-operation electromagnetic heating device which comprises a pyrolysis reaction cylinder and a heating unit, and the pyrolysis reaction cylinder is used for containing external biomass raw materials; the heating unit comprises a heat conduction fin arranged on the outer wall of the pyrolytic reaction cylinder, a heat insulation layer arranged on the outer side of the heat conduction fin, an electromagnetic induction coil wound on the outer wall of the heat insulation layer and a power supply module for supplying power to the electromagnetic induction coil; the system further comprises a first feeding unit, a raw material feeding port is formed in one end of the pyrolytic reaction cylinder, a residue discharging port is formed in the other end of the pyrolytic reaction cylinder, and the first feeding unit is used for conveying external biomass raw materials to the residue discharging port through the raw material feeding port. And under a high-temperature condition, the conductivity of traditional equipment is easily increased due to internal biomass graphitization, and then a barrel material is damaged. The heat-conducting fins and the outer jacket structure are far away from a high-temperature area, so that effective utilization of heat is ensured, and the barrel structure is not affected.
Owner:GUANGZHOU SHINCCI ENERGY EQUIP CO LTD

Household garbage pretreatment process

The invention relates to the technical field of solid waste treatment, in particular to a household garbage pretreatment process. The technology comprises the steps that S1, household garbage is sorted, flexible materials are separated from other materials, and the flexible materials and other recoverable materials are obtained; s2, the sorted flexible materials are compressed into blocks with certain shapes and sizes; s3, the compressed flexible material is cut into fragments of a certain size; and S4, the slit flexible material is subjected to drying treatment, so that the moisture in the flexible material is reduced to a certain degree. According to the process, the flexible materials in the household garbage are sorted out through the sorting equipment, the problem that the equipment is damaged due to the fact that part of cotton, hemp and other easily-entangled objects are entangled on the subsequent treatment equipment is solved, meanwhile, primary separation of the high-calorific-value materials in the household garbage is achieved, the labor intensity is reduced, and the treatment efficiency is improved; and the pyrolysis or combustion efficiency of the rear-end material is improved.
Owner:CHINA ROC FUTURE CO

Efficient sludge pyrolysis treatment device

The utility model relates to the technical field of sludge pyrolysis devices, in particular to an efficient sludge pyrolysis treatment device which comprises a device shell, a stirring mechanism is arranged on the device shell and comprises a stirring motor arranged at one end of the device shell, and the output end of the stirring motor extends into an inner cavity of the device shell and is provided with a connecting plate. A rotating shaft with one end rotationally connected with the inner side wall of the device shell is arranged on the connecting plate, a plurality of evenly-distributed rotating blades are arranged on the outer surface of the rotating shaft, first fixing columns are symmetrically arranged on the connecting plate on the two sides of the rotating shaft, and a plurality of first stirring rods distributed at equal intervals are arranged on the end faces of the sides, close to the rotating shaft, of the first fixing columns; according to the sludge pyrolysis device disclosed by the utility model, the sludge pyrolysis efficiency and the sludge stirring uniformity are improved, so that the sludge heating is more uniform, and meanwhile, the sludge adhered to the inner side wall of the device shell can be scraped.
Owner:BEIJING AURORA ENVIRONMENTAL PROTECTION SCITECH INST

A system and method for synergistic photocatalytic co-pyrolysis of marine organic solid waste

The application discloses a kind of photothermal synergic catalysis co-pyrolysis system and method of marine organic solid waste, method includes the following steps: waste fishing net, plastic garbage and seaweed are crushed and mixed uniformly according to mass ratio (2-4):(3-5):(1-3);Mixed material and multifunctional composite photocatalyst prepared by seaweed are sent into moving bed reactor according to mass ratio (10-20):1, under the condition of concentrated solar energy leading, electric heating auxiliary, continuous co-pyrolysis is carried out;Pyrolysis product is separated by three-stage condensation to obtain heavy oil, light oil, water and gas.The method realizes the green cycle of "waste treatment", the catalyst cost is low, the degree of system intelligence is high, and provides an efficient, environmentally friendly, economically feasible innovative path for the resource utilization of marine organic solid waste.
Owner:RES INST OF ZHEJIANG UNIV TAIZHOU

A high-efficiency pyrolysis device for waste rubber and plastic with heat transfer enhancement and grinding function

The present invention relates to a waste rubber and plastic efficient pyrolysis device with heat transfer enhancement coupled grinding function, belonging to the technical field of harmless treatment and resource utilization of solid waste. It comprises a support and a pyrolysis cylinder arranged on the support, wherein the pyrolysis cylinder is provided with: a pyrolysis chamber, which is arranged along the axial direction of the pyrolysis cylinder, wherein a screw is installed in the pyrolysis chamber, wherein the central axis of the screw is a hollow axis, wherein the central axis is sequentially divided into a same diameter section and a variable diameter section from the feed port, wherein the central axis diameter of the variable diameter section gradually increases; wherein a reverse spiral is provided at the end of the screw of the variable diameter section; a feed unit, which is used for feeding waste rubber and plastic; an internal heating unit, which is used for heating from the cavity of the central axis of the screw; an external heating unit, which is used for heating from the outside of the screw; a pyrolysis gas outlet, which is used for discharging pyrolysis gas of waste rubber and plastic; and a pyrolysis carbon black outlet, which is used for discharging pyrolysis carbon black. By simultaneously heating the inside and outside, the heat transfer and pyrolysis of waste rubber and plastic are enhanced, thereby improving the pyrolysis efficiency of waste rubber and plastic.
Owner:ZHEJIANG UNIV

Pyrolysis equipment for organic solid waste treatment

The utility model discloses pyrolysis equipment for organic solid waste treatment, which comprises a pyrolysis mechanism, the top of the pyrolysis mechanism is fixedly connected with a bottom connecting pipe, the bottom connecting pipe is Y-shaped, a sorting component and a grinding component are arranged above the bottom connecting pipe, and the rear side wall of the pyrolysis mechanism is fixedly connected with a rear connecting pipe. By arranging a sorting barrel, a feeding pipe, a first motor, a first exhaust pipe, a main shaft, stirring blades, a filter sieve, a vibration spring, a vibration motor, a fixing ring, a grinding barrel, a second exhaust pipe, a second motor, a rotating shaft, a material guide disc, an upper grinding disc and a lower grinding disc, organic solid waste is put into the sorting barrel, and after sorting is conducted, large and small organic solids are separated; small particles directly enter the pyrolysis mechanism to be pyrolyzed, and large particles are crushed and then enter the pyrolysis mechanism to be pyrolyzed, so that the pyrolysis efficiency is greatly improved, and meanwhile, an oxidation reaction caused by excessive accumulation of organic solid wastes is avoided.
Owner:郝龙飞

Multi-stage plasma treatment device and method for enhancing removal of chlorinated organic compounds in factory water of waterworks

The invention discloses a multi-stage plasma treatment device and method for enhancing removal of chlorinated organic compounds in factory water of a waterworks. The multi-stage plasma treatment device comprises a diameter change reaction container, a bearing shaft fixing and transmission device, a bearing shaft, a working electrode and turbulent flow fan blades. The diameter-variable reaction container is a cylinder of which the radius is gradually reduced, and sequentially comprises a water inlet, a turbulent flow section, three treatment sections and a water outlet; the inner side of the bearing shaft fixing and transmission device is fixed with the bearing shaft and drives the bearing shaft to rotate, and the outer side of the bearing shaft fixing and transmission device is fixed with the reaction container; a circuit is arranged in the bearing shaft; a working electrode is a needle-shaped tungsten electrode, each treatment section is provided with three annular belts, each annular belt comprises 12 electrodes, and the interval between every two adjacent electrodes is 30 degrees; the number of the turbulent flow fan blades is 12, and the turbulent flow fan blades are distributed at 30 degrees. According to the invention, to-be-treated water containing chlorinated organic matters and gas (Ar / O2 mixed gas) are pretreated into a gas-liquid mixture, a high-pressure reaction place is formed by virtue of a variable-diameter container, and high-temperature and high-energy plasmas are generated in a rotating electrode pulse type discharge manner, so that the chlorinated organic matters are efficiently pyrolyzed.
Owner:HOHAI UNIV

Spiral electromagnetic heating oil sludge treatment device and use method thereof

The invention belongs to the technical field of oil sludge treatment, and particularly relates to a spiral electromagnetic heating oil sludge treatment device and a using method thereof.The spiral electromagnetic heating oil sludge treatment device comprises a machining body and a feeding assembly arranged on one side of the machining body and further comprises a stirring mechanism and a heating mechanism, the stirring mechanism is arranged on the machining body, and the heating mechanism is arranged on the machining body; the stirring mechanism comprises a stirring assembly and a nitrogen filling assembly, the stirring assembly is arranged on the processing main body, and the nitrogen filling assembly is arranged on one side of the stirring assembly; through the steam heating assembly, the temperature of the oil sludge can be increased through steam heating, oil and water in the oil sludge can be separated more easily at the high temperature, the physical properties of the oil and the water can change along with temperature rising, and therefore separation of the oil and the water is facilitated.
Owner:HENGRUI JINYU ENVIRONMENTAL PROTECTION TECHNOLOGY (BEIJING) CO LTD

Coal rock microwave experimental device and experimental method

PendingCN122282807AImprove pyrolysis efficiencyAdd simulation experiment functionThermodynamicsTemperature monitoring
This application discloses a microwave experimental apparatus and method for coal and rock, solving the technical problem of limited simulation function in existing microwave experimental apparatuses. The apparatus includes a microwave generating system, a coal and rock loading body, and a control and detection system. The microwave generating system comprises a shell, a first microwave generator, and a second microwave generator. The first microwave generator is fitted onto the second microwave generator with a gap to form an annular cavity for interacting with the coal and rock. The control and detection system includes a controller and gas monitoring devices, temperature monitoring devices, and pressure monitoring devices located in the shell. The controller is connected to the first microwave generator, the second microwave generator, the gas monitoring devices, the temperature monitoring devices, and the pressure monitoring devices. This method increases the pyrolysis efficiency for large coal and rock blocks, allows for the study of the effects of two radiation methods, and enhances the simulation function of microwave experiments, which is significant for supporting research on in-situ coal and rock transformation.
Owner:PETROCHINA CO LTD +2

Coal pyrolysis hydrogen production coupling magnesium-based hydrogen storage system and process method

The invention discloses a coal pyrolysis hydrogen production coupling magnesium-based hydrogen storage system and a process method. The first input end of the pyrolyzing furnace is connected to the output end of raw coal, the first output end of the pyrolyzing furnace is connected to the input end of the clean coal storage device, and the second output end of the pyrolyzing furnace is connected to the input end of the purification device; the first output end of the hydrogenation device is connected to the first input end of the reforming extraction device; the second output end of the hydrogenation device is connected to the second input end of the diesel hydrogenation device; the output ends of the calcined dolomite, ferrosilicon powder and fluorite powder pellets are connected to the second input end of the reduction furnace, the output end of the reduction furnace is connected to the input end of the modification device, and the output end of the modification device is connected to the second input end of the magnesium-based hydrogen storage device; the output end of the diesel hydrogenation device is connected to the second input end of the reforming extraction device. Through high coupling of coal pyrolysis hydrogen production and magnesium-based hydrogen storage, an integrated industrial chain of coal hydrogen production, hydrogen storage and transportation and the like is formed, and finally efficient and low-carbon operation of the hydrogen production, storage and transportation process is achieved.
Owner:SHAANXI PROVINCE GONGQIN IND CO LTD

Organic solid waste pyrolysis treatment device and method

The invention provides an organic solid waste pyrolysis treatment device which comprises a crawling ladder, a control box, a second-stage heat treatment assembly, a switch assembly and a second-stage heat treatment assembly, and the second-stage heat treatment assembly used for conducting secondary pyrolysis on organic solid waste is installed on the lower side of the right portion of the crawling ladder. The invention further provides an organic solid waste pyrolysis treatment device and method, at the beginning of starting of the device, a switch piece of the device needs to be checked firstly, it is ensured that a butterfly valve in the switch piece is in a closed state, and compared with the prior art, the organic solid waste pyrolysis treatment device has the following beneficial effects that the first-stage heat treatment assembly is arranged, so that the safety of the device is improved; organic solid waste can be continuously subjected to pyrolysis treatment through cooperation of the first-stage heat treatment assembly and the second-stage heat treatment assembly, the organic solid waste treatment capacity of the whole device is greatly improved, and through arrangement of a first conveying part, a second conveying part and a third conveying part, the effect and efficiency of secondary pyrolysis of the organic solid waste can be improved; therefore, the organic solid waste can be thoroughly pyrolyzed before being discharged.
Owner:ZHUHAI KECHUANG ENVIRONMENTAL RESOURCES CO LTD

Method and device for hydrogen production by electromagnetic induction pyrocarbonization

The application provides a method and device for hydrogen production by electromagnetic induction high-temperature carbonization, and belongs to the technical field of hydrogen production by carbonization. The method comprises the following steps: S1, drying and preheating solid carbon-containing raw materials, and isolating air throughout the process; S2, starting a ceramic screw propeller in the carbonization furnace to continuously push the raw materials and sequentially pass through a preheating section, a medium-temperature dry distillation section and a high-temperature carbonization section for pyrolysis carbonization reaction, and simultaneously generate solid carbonized substances and hydrogen-containing mixed gas; S3, the solid carbonized substances are discharged after being transported to a cooling section for cooling; the hydrogen-containing mixed gas is discharged from a gas outlet and subjected to dust removal and purification treatment; and S4, the purified hydrogen-containing mixed gas is purified to obtain high-purity hydrogen. The hydrogen production process of the application does not use open flame heating, reduces dust and waste gas emission, is more environmentally friendly, can prepare high-purity hydrogen, and further improves the product value.
Owner:李海鸥

Composite carbon source preparation system for sewage treatment

The invention discloses a composite carbon source preparation system for sewage treatment, belongs to the technical field of sewage treatment, and solves the problems that the water content of a mud cake is most difficult to monitor and control in real time in the dehydration process of the mud cake, the water content of the mud cake is extremely low, the brittleness of the mud cake is high, and the mud cake is easy to crack. Comprising a primary sedimentation tank, an aerobic tank communicated with the primary sedimentation tank, an anaerobic tank communicated with the aerobic tank, a secondary sedimentation tank communicated with the anaerobic tank, a sludge concentration tank communicated with the secondary sedimentation tank, a high-pressure membrane filter press and a high-temperature pyrolyzing furnace, and the secondary sedimentation tank is used for recovering sludge and conveying the sludge into the sludge concentration tank. The sludge in the secondary sedimentation tank is clean and used for preparing the composite carbon source through multiple sewage treatment, after the sludge is pretreated through the concentration tank, the sludge is dewatered through the high-pressure membrane filter press, air pressure and water pressure are controlled to ensure proper water content of a sludge cake, the sludge cake is prevented from being too tight or too loose, the integrity of the sludge cake is kept, and the pyrolysis efficiency is improved.
Owner:浙江伊诺环保集团股份有限公司

Multi-field control pyrolysis reactor

The invention discloses a multi-field control pyrolysis reactor which comprises a lifting pipe at least provided with a preheating section and a rapid pyrolysis section, a reaction channel is formed in the lifting pipe, a carrier gas inlet is formed in the lower end of the preheating section, a material inlet is formed in the preheating section, and a material outlet is formed in the rapid pyrolysis section; the carrier gas inlet and the material inlet are respectively communicated with the reaction channel; the guide pipe penetrates through the lifting pipe and is positioned in the reaction channel, and a plurality of guide pipe gas outlets with different gas outlet directions are formed in the guide pipe. The multi-field control pyrolysis reactor provided by the invention can realize regulation and control of a temperature field, a velocity field and a reaction atmosphere in a reaction process, optimizes a pyrolysis process, and improves product yield and quality.
Owner:HUAIROU LAB SHANXI RES INST +1

Method and system for treating polycarbonate production waste salt

According to the method and system for treating the polycarbonate production waste salt, the pyrolysis temperature is controlled in a two-stage microwave pyrolysis mode of low-temperature pyrolysis and high-temperature pyrolysis, generation of toxic waste gas is reduced, and the ecological environment is protected; in addition, all waste salt is purified and utilized, and the pyrolysis efficiency is improved. High-temperature decomposition waste gas generated in the high-temperature pyrolysis process is treated in a quenching cooling mode, the time of the high-temperature decomposition waste gas in the range of 200-500 DEG C is shortened, secondary generation of dioxin waste gas is reduced, meanwhile, heat is recycled, and waste gas treatment energy consumption is reduced.
Owner:LIAOCHENG LUXI CHEM ENG DESIGN

Skid-mounted system for efficiently combusting biomass and preparing biochar from waste heat

The invention provides a skid-mounted biomass efficient combustion and waste heat biochar preparation system which comprises a combustion furnace and further comprises at least one pyrolyzing furnace, the pyrolyzing furnace is used for pyrolyzing biomass filled in the pyrolyzing furnace, a heat energy conveying pipe penetrating through the pyrolyzing furnace in a sealed mode is arranged in the pyrolyzing furnace, the heat energy conveying pipe is communicated with the combustion furnace, and the heat energy conveying pipe is communicated with the combustion furnace. The heat energy conveying pipe is used for conveying heat generated by aerobic combustion of the combustion furnace into the pyrolyzing furnace; the water heater is provided with a heating cavity, and the heating cavity communicates with the heat energy conveying pipe through a first heat conveying pipe. The gas recycling and biomass oil separating unit comprises a tubular heat exchanger which is communicated with the pyrolyzing furnace through an exhaust pipe and is used for condensing biomass oil in the high-temperature gas, and a heat exchange pipe in the tubular heat exchanger is connected with a plurality of vertical oil discharge pipes; one end of the gas conveying pipe communicates with the heat exchange pipe, and the other end of the gas conveying pipe communicates with the combustion furnace and is used for conveying the pyrolysis gas to the combustion furnace for recycling. The method realizes efficient recycling of carbon resources, reduces carbon emission, and is energy-saving and environment-friendly.
Owner:ANHUI POLYTECHNIC UNIV

Internal heating type rotary furnace low-order pulverized coal pyrolysis system

The utility model relates to a low-order pulverized coal pyrolysis system of an internal heating type rotary furnace. The low-order pulverized coal pyrolysis system consists of a heat carrier system, a pulverized coal drying system, a pulverized coal pyrolysis system, a waste heat recovery system, a semicoke cooling system and an oil gas recovery system, a hot blast stove unit is adopted to produce a hot gas carrier for pulverized coal drying and pulverized coal pyrolysis, a rotary furnace adopting a hot flue gas carrier is adopted to dry pulverized coal, an internal heating rotary furnace adopting a hot gas carrier is adopted to pyrolyze pulverized coal, a coke particle moving bed is adopted to separate high-temperature oil gas from dust, and a rotary furnace adopting a dividing wall heat exchanger and a flue gas cold carrier is adopted to cool semi-coke. The system heat efficiency is improved, the energy consumption of the system is reduced, the amount of coal dust brought into an oil gas recovery system by the raw gas is reduced, the yield of a coal tar product and the content of effective components, especially H2, CO and CH4, in pyrolysis gas are improved, and the heat value of the product gas is 3500-4500 kcal / Nm < 3 >.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Anaerobic biogas preparation device based on kitchen garbage

ActiveCN122012224Bprevent acidificationremove inhibition
The application discloses an anaerobic biogas preparation device based on kitchen garbage, and relates to the technical field of kitchen garbage treatment. The device comprises a squeezing box, a feeding mechanism capable of crushing and treating the kitchen garbage is connected to the upper end of the squeezing box, a separation mechanism for separating the solid and liquid of the kitchen garbage is installed in the squeezing box, a liquid discharge mechanism capable of separating and discharging the grease liquid and the non-grease liquid of the kitchen garbage filtrate is arranged below the separation mechanism, a conveying auger, and a pyrolysis furnace. The conveying auger is communicated with the inside of the pyrolysis furnace through a connecting pipe. The squeezing box, the conveying auger and the pyrolysis furnace are matched, the high-grease liquid is separately separated by the liquid discharge mechanism, and only the non-grease liquid is sent into the anaerobic reactor, so that the inhibition of grease on methanogens is eliminated from the source, the pyrolysis condensate and the non-grease liquid are cooperatively fermented, the utilization rate of the reaction substrate is improved, and the biogas yield is further improved.
Owner:北京朝阳环境集团有限公司

A rotary kiln for pyrolysis

The present invention relates to the technical field of material pyrolysis, and in particular to a rotary kiln for pyrolysis. Its technical solution includes: a kiln positioning assembly, a rotary heating disk is rotatably installed inside the kiln positioning assembly, two sets of position adjustment drive assemblies are installed on both sides of the kiln positioning assembly, a wave-type positioning assembly is installed inside the rotary heating disk, and a guide assembly is installed on the outer side of the position adjustment drive assembly. The present invention causes the raw materials impacting the double-plate clamping frame to undergo a relative cutting movement with the double-plate clamping frame under the influence of the rotating force of the threaded guide rod, so that the agglomerated raw materials are cut and separated, and at the same time, the electric telescopic rod drives the built-in threaded turntable and the double-plate clamping frame to move toward the engaging turntable, pushing a small amount of raw materials that may be blocked by the scraper rod into the engaging turntable for decomposition, thereby preventing the various openings of the rotary kiln from being blocked, and at the same time facilitating the recovery of sticky raw materials and improving the pyrolysis efficiency.
Owner:YUEYANG YUANDA HEAT ENERGY EQUIP

Novel clean fuel gas biomass fixed bed gasifier

The utility model belongs to the technical field of biomass gasification, and discloses a novel clean fuel gas biomass fixed bed gasification furnace which comprises an outer reaction furnace and an inner reaction furnace, the inner reaction furnace is coaxially arranged in the outer reaction furnace, the bottom of the inner reaction furnace and the inner bottom of the outer reaction furnace are arranged at intervals, and a fuel gas generation area is arranged in the inner reaction furnace. The top of the inner reaction furnace extends to the outside of the outer reaction furnace, a furnace bar is fixed in the inner reaction furnace, the outer peripheral wall of the inner reaction furnace and the inner peripheral wall of the outer reaction furnace are spaced to form a gas purification area, and a gas outlet is formed in the side wall of the top end of the outer reaction furnace; a feeding mechanism is arranged above the inner reaction furnace; a bottom opening of the gas purification area is provided with a filtering mechanism; a cooling mechanism is fixed on the outer side wall, corresponding to the fuel gas purification area, of the inner reaction furnace; an ash removal mechanism is mounted at the bottom in the outer reaction furnace, and an ash inlet end of the ash removal mechanism axially corresponds to an opening in the bottom end of the inner reaction furnace. According to the reaction furnace, the temperature is kept stable by absorbing reaction heat, the gasification efficiency is improved, and the purification effect of fuel gas is improved.
Owner:BEIJING HUIYU ENERGY CO LTD

A down exhaust air down intake type non-attending biomass ultrahigh-temperature pyrolysis carbonization furnace

The application discloses a biomass superhigh-temperature pyrolysis carbonization furnace with lower smoke exhaust and lower air inlet, and relates to the technical field of biomass pyrolysis carbonization, which comprises a furnace body, a furnace cover, an air inlet, a smoke exhaust elbow and a temperature control alarm device. The outer wall of the furnace body is made of a steel plate structure, and an insulating layer is arranged in the furnace body. At least four air inlets are uniformly arranged at the bottom of the furnace body and used for air supply from the bottom of the furnace. A smoke exhaust elbow is arranged at the lower part of the furnace body, and the lower edge of the smoke exhaust elbow is higher than the upper edge of the air inlet. A support is arranged at the bottom of the furnace body and used for supporting a carbon cage. The temperature control alarm device is arranged at at least one air inlet. The furnace body structure combining lower air inlet with lower smoke exhaust is adopted, and the insulating layer and the temperature control alarm device in the furnace are matched, so that the ordered heat transfer from top to bottom and the full recycling of the furnace gas in the biomass carbonization process are realized. Therefore, the pyrolysis efficiency and the fixed carbon conversion rate are remarkably improved under the premise of ensuring the uniformity of carbonization and the quality of finished products.
Owner:SHENYANG XINKUNYUAN CARBON TECHNOLOGY CO LTD

Pyrolysis apparatus and pyrolysis method

This invention relates to the field of pyrolysis technology, and in particular to a pyrolysis apparatus and method. The pyrolysis apparatus includes a chain drive mechanism, a flexible reaction net, a scraper mechanism, and a cleaning mechanism. The chain drive mechanism includes a pair of parallel and horizontally placed flat annular outer plate chains and a pair of inner plate chains, along with their driving and supporting components. The flexible reaction net is divided into inner and outer layers, including multiple pairs of wing rods spaced apart on the two pairs of plate chains and flexible rods extending inclined between the plate chains and intersecting each other. The scraper mechanism has multiple flexible scrapers. One end of the cleaning mechanism can contact and clean the outer layer of flexible rods. This invention enables direct and efficient pyrolysis of large-sized strip-shaped organic waste, solving the technical problems of existing pyrolysis devices for treating strip-shaped organic waste, such as easy softening, adhesion, and blockage of raw materials, severe coking and slagging, and high pretreatment costs.
Owner:DATANG ENVIRONMENT IND GRP +1

Microwave high-temperature melting device for waste salt treatment

The utility model discloses a microwave high-temperature melting device for waste salt treatment. The device mainly comprises the following components: a feeding device (1), a groove type microwave high-temperature melting furnace (2), a molten salt cooling device (3), a crushing device (4), a discharge sealing device (5) and a smoke outlet (6) with a check valve, a furnace body bracket (7); the high-temperature melting treatment of the waste salt is realized by microwave heating, and organic matters in the waste salt can be quickly and efficiently pyrolyzed; the adaptability of the device is strong, and various organic matter-containing waste salts can be widely pyrolyzed and treated; the refractory material in the device and the stirring device adopt high-temperature-resistant and corrosion-resistant design, so that the long-term use performance of the device in a high-temperature environment can be effectively ensured.
Owner:SHENZHEN HONGWEI MICROWAVE TECH CO LTD

A pyrolysis process for low- to medium-level organic waste liquid

The invention discloses a medium- and low-level organic waste liquid pyrolysis process, which relates to the technical field of radioactive waste treatment, including S1: separating medium- and low-level organic waste liquid from oil and water to obtain radioactive medium- and low-level TBP / OK organic waste liquid and low-level waste liquid; S2: filtering the TBP / OK organic waste liquid, and rectifying it in a short-range molecular distillation device to obtain concentrated TBP organic waste liquid and light component kerosene; S3: stirring the lime milk preparation liquid and the concentrated TBP organic waste liquid to prepare a suspension; S4: transporting the suspension to a pyrolysis furnace to be decomposed into pyrolysis gas and pyrolysis ash; S5: the pyrolysis gas enters a combustion furnace; the pyrolysis ash is cemented to form a cement solidified body; S6: the flue gas discharged from the combustion furnace is purified and discharged to the atmosphere. The invention tests the inorganic treatment of low-level organic waste liquid through the processes of oil-water separation, short-range molecular distillation, pyrolysis in a pyrolysis furnace, combustion in a combustion furnace, cement solidification, etc., and the generated pyrolysis ash forms a stable solidified body for disposal, thereby realizing the minimization and final disposal of waste.
Owner:SICHUAN ENVIRONMENTAL PROTECTION ENG CO LTD CNNC

Biomass pyrolysis gasification furnace and pyrolysis gasification method thereof

The invention provides a biomass pyrolysis gasification furnace and a pyrolysis gasification method thereof.The biomass pyrolysis gasification furnace comprises a furnace body, a gasification reaction chamber is arranged in the furnace body, a feeding device is arranged on the upper portion and / or the lower portion of the gasification reaction chamber, and an environment-friendly heating device is installed at the position, on the top of the furnace body, of the upper portion of the gasification reaction chamber; an outer jacketed pipe is arranged on the outer side of the gasification reaction chamber and penetrates through the bottom of the furnace body to be connected with ash collecting equipment. A pyrolysis gas outlet and a drain outlet are respectively formed in one side and the bottom of the furnace body; the system has the advantages that the gasification efficiency is improved, the fuel gas quality is improved, the energy consumption is reduced, the pollution is reduced, the operation is flexible, the system safety is ensured, and the secondary pollution is reduced.
Owner:TIANJIN AOZHAN XINGDA TECH CO LTD +1

Method for preparing low-chlorine rare earth oxide by utilizing pyrolysis of rare earth chloride

The invention relates to a method for preparing low-chlorine rare earth oxide through pyrolysis of rare earth chloride, and belongs to the field of nonferrous metallurgy. According to the method, rare earth chloride and alkali are used as raw materials, the rare earth chloride is pyrolyzed into rare earth oxide in a high-temperature and high-pressure atmosphere, and a chloride byproduct is obtained. The method provided by the invention abandons the problems of long process flow and large amount of high-salinity wastewater of traditional wet precipitation, promotes deep pyrolysis of the rare earth chloride by using a high-pressure closed environment, realizes resource utilization of chlorine, solves the defects of incomplete pyrolysis and high pyrolysis temperature of the rare earth chloride in a conventional pyrolysis process, and has a good industrial application prospect.
Owner:JIANGXI UNIV OF SCI & TECH

Induction heating spouted bed pyrolysis device and method

The invention discloses an induction heating spouted bed pyrolysis device and method. The input end of the side wall of the equal-diameter section is communicated with the input end of the raw material particles; the particle distributor is obliquely arranged in the equal-diameter section downwards and located below the raw material particle input end, a through hole is formed in the middle of the particle distributor, a plurality of via holes are formed in the circumferential direction of the particle distributor, and the diameters of the via holes are gradually increased from the side close to the raw material particle input end to the side away from the raw material particle input end; the fence assembly is arranged in the spouted bed, one end of the fence assembly is connected to the reducing section, and the other end of the fence assembly is a free end and penetrates through the transition section and the through hole; the side wall of the part, located on the transition section, of the fence assembly is provided with a perforation structure for non-magnetic conductive particles to pass through. And the electromagnetic heating device is arranged on the outer walls of the inverted conical section and the equal-diameter section. Therefore, the device has excellent technical effects in the aspects of uniform heating and pyrolysis of raw material particles, efficient separation and recovery of products and the like, and has the advantages of being compact in structure, energy-saving, environment-friendly and the like.
Owner:XI'AN PETROLEUM UNIVERSITY

A pyrolysis treatment system for oil-containing sludge

The utility model discloses a kind of pyrolysis treatment systems for oily sludge, including heating furnace, material inlet, gas outlet, material outlet are equipped on heating furnace, gas outlet is connected in spraying tower by first pipeline, cold water heat exchange structure is arranged on first pipeline, spiral conveying structure is equipped on the side of heating furnace, spiral conveying structure includes outer shell, inner shell is equipped in outer shell, inlet, outlet are equipped on inner shell, exhaust port is also equipped, outlet is connected in material inlet, heating structure is connected with the lower of outer shell, water outlet of cold water heat exchange structure is connected in heating structure, second gas outlet is equipped in the upper of outer shell.The utility model is cooled by pyrolysis oil gas, ensure that it enters spraying tower after cooling to carry out efficient spray treatment, water after heat exchange can be heated to preheat incoming material, to improve pyrolysis efficiency after entering heating furnace.
Owner:JIANGSU BOYOU ENVIRONMENTAL TECH CO LTD