62results about "Direct heating destructive distillation" patented technology

This utility model discloses a multi-stage reverse combustion high-temperature pyrolysis gasification system, including a reverse combustion furnace, a reverse combustion compressor, and a heat recovery device. The reverse combustion furnace has a vertical reaction chamber. A feeding assembly communicating with the reaction chamber is located at the top of the furnace, and a discharge assembly communicating with the reaction chamber is located at the bottom. A burner is also installed on the furnace, and a low-temperature gas outlet is located at the top. A circulating gas outlet is located on the upper part of the furnace sidewall, and a separator is installed between the circulating gas outlet and the low-temperature gas outlet. The inlet of the reverse combustion compressor is connected to the low-temperature gas outlet, and the outlet of the compressor is connected to the burner. The inlet of the heat recovery device is connected to the circulating gas outlet, and the outlet of the heat recovery device is also connected to a tail gas treatment device. High-temperature flue gas directly radiates, convections, and conducts with the material in a counter-current flow, eliminating pollution and making the system more environmentally friendly.

The present invention provides furnace equipment that can adjust the flow rate of combustion air taken in. [Solution] The furnace body 110 forms a furnace space S0 inside, the floor 140 divides the furnace space S0 into an upper space S1 and a lower space S2 in the vertical direction, and has a connecting section 141 that connects the upper space S1 and the lower space S2, the upper space S1 is a space where the material to be carbonized W is stored and carbonization takes place, the lower space S2 is a space through which the combustion exhaust gas generated by the carbonization of the material to be carbonized W is guided from the upper space S1 via the connecting section 141, the furnace body 110 has an intake opening 122a that connects the upper space S1 and the outside of the furnace body 110, the chimney 150 connects the lower space S2 and the outside of the furnace body 110 and forms an exhaust passage P1 that extends in the vertical direction, the fan 161 is provided in the exhaust passage P1 and is configured to discharge gas containing combustion exhaust gas to the outside of the furnace body 110 via the exhaust passage P1.

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

A pyrolysis method and system are provided that may utilize a recycled plastic feedstock that comprises various types of waste plastics or a feedstock that comprises various types of waste plastics and at least one crude post-industrial liquid waste. The disclosed pyrolysis method and system may be configured to convert various types of waste plastics, including post-customer and post-industrial wastes, and / or crude post-industrial liquid wastes into useful pyrolysis oils.

The present invention relates to a method for continuously preparing a powder material having a calorific value greater than that of an initial biomass, the method comprising a steam cracking step, characterized in that the initial biomass consists of components with a particle size distribution of P25-P100 and a moisture content of less than 27%, and is directly subjected to a steam cracking treatment.

This utility model discloses a field waste carbonization furnace with a gas circulation device, solving the problems of existing small carbonization furnaces not being able to effectively utilize the gas generated during the carbonization of agricultural waste and being unfavorable for exploring carbonization conditions for different agricultural wastes. The field waste carbonization furnace, by setting up a gas circulation device, allows the hot gas generated in the combustion chamber to not only conduct heat through the furnace wall to the field waste inside the carbonization chamber, but also through multiple heat circulation pipes, making the field waste in the carbonization chamber more evenly heated. The combustible gas generated in the carbonization chamber is purified by a dust removal and purification chamber, then transported to the combustion chamber for further combustion through the carbon circulation pipe, and then introduced into a spray chamber for cooling and purification before being discharged into the atmosphere. This effectively treats the gas generated in the carbonization chamber and makes full use of the combustible gas, reducing energy consumption. This application can be used for the carbonization treatment of agricultural waste such as rice straw, monk fruit vines, peanut vines, and sugarcane leaves.

This invention discloses a shockwave cyclone reactor and method for biomass flash pyrolysis. The reactor is a tubular structure and includes at least: a shockwave preheating section, which includes a tubular shell and a rotating shaft disposed within the shell, with a circumferential gap between the rotating shaft and the tubular shell forming a gas channel; the gas channel is provided sequentially along the gas flow direction by: a first stator for initial acceleration of the process gas, a rotor for accelerating the process gas to supersonic speed, and a second stator for generating shockwave losses and rapidly raising the temperature of the process gas; a biomass particle inlet is located downstream of the shockwave preheating section and arranged tangentially along the circumference of the tubular reactor, for mixing the biomass particles with the shockwave-heated gas; guide vanes for forming a cyclone are provided between the biomass particle inlet and the shockwave preheating section; a pyrolysis section is located below the biomass particle inlet and includes a cylindrical section and a conical section; the biomass particles and high-temperature gas form a cyclone in the cylindrical section, pyrolysis is performed in the cyclone state, and gas-solid separation is performed in the conical section.

The application discloses a mobile internal heat source coordinated driving and circulating electromagnetic induction pyrolysis device and method. The mobile internal heat source coordinated driving and circulating electromagnetic induction pyrolysis device comprises a control system, an electromagnetic induction system, a circulating system, a ferromagnetic heat transfer medium and a rotary kiln body with good magnetic field penetration. The electromagnetic induction system comprises multiple groups of electromagnetic coils which are arranged around the outer wall of the rotary kiln body and are independently controlled by the control system along the axial direction of the rotary kiln body. The electromagnetic coils are used for passing high-frequency alternating current to generate an alternating magnetic field, so that the heat transfer medium in the rotary kiln body is magnetized and self-heated to promote material pyrolysis. The control system is used for adjusting and controlling the current phase and time sequence of adjacent electromagnetic coils to construct a controllable traveling wave magnetic field in the rotary kiln body along the axial direction, so as to drive the magnetized heat transfer medium to carry the material to move radially and / or axially in the rotary kiln body.

Methods and systems for converting waste plastics into various useful downstream recycle content products are provided. More particularly, the present systems and methods involve integrating a pyrolysis facility with a cracker facility by introducing at least one r-pyrolysis gas stream into the cracker facility. In the cracker facility, the r-pyrolysis gas can be separated to form one or more recycle content products, and operation of the facility can be improved.

The present invention relates to a process for producing recovered industrial carbon black, comprising the following steps: • Selecting used tires, • Shredding of used tires into used tire granules, • Pyrolysis of the waste tire granulate with a residence time of between 2 and 4 hours at a material temperature between 550°C and 750°C, • Grinding of the recovered industrial soot, • Wet pelletizing of the ground, recovered industrial carbon black. The recovered industrial carbon black produced by this process is particularly suitable for use in rubber applications, for example in tire manufacturing.

A method and compositions of matter for treating or preventing an auto-immune disorder or immune response in a patient, that includes providing a therapeutic dose to the patient of a substituted indole compound having at least one substitution, wherein the substituted indole compound has only one thiol group, and wherein the ring the thiol group is attached to only contains one N or O atom.

To provide a method which efficiently produces a chemical product and also efficiently provides a carbide from used tires by improvement of each step in a set of processes. A method for producing a chemical product and a carbide, the method including a pyrolysis step of obtaining a first gas fraction, pyrolysis oil, and a residue fraction through pyrolysis of a crushed product of used tires, a carbide recovery step of recovering carbide from the residue fraction, a low-temperature hydrogenation step of subjecting raw oil containing at least one portion of the pyrolysis oil to low-temperature hydrotreatment at 180°C or higher and 350°C or lower, to obtain low-temperature hydrogenated oil, a hydrogenolysis step of subjecting raw oil containing at least one portion of the low-temperature hydrogenated oil to hydrogenolysis treatment at a higher temperature than that in the low-temperature hydrotreatment, to obtain a second gas fraction, a light fraction having a boiling point of 350°C or lower, and a heavy fraction having a boiling point of higher than 350°C, and a steam cracking step of obtaining a chemical product, and a raw material for carbide production, containing a heavy distillate fraction having a 10% distillation temperature of 190°C or higher, by steam cracking of steam cracking raw oil containing at least one portion of the light fraction, in which a pyrolysis temperature of the pyrolysis is 350°C or higher and 750°C or lower.

The disclosure is generally directed to the field of optimizing feedstock in pyrolysis systems. A method of obtaining pyrolysis oil from a feedstock comprising rubber comprises the steps of: providing a feedstock comprising rubber; milling the feedstock, thereby providing particles; and pyrolyzing the particles in a vessel; wherein the median size of the particles is from about 0.5 mm to about 15 mm, optionally from about 0.5 mm to about 12 mm, optionally from about 0.5 mm to about 9 mm, optionally from about 0.5 mm to about 6 mm, optionally 15 mm or smaller, optionally 12 mm or smaller, optionally 9 mm or smaller, optionally 6 mm or smaller. The feedstock optionally comprises a plurality of tires.

The invention relates to a system for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The system comprises a pyrolysis reactor (100) for pyrolyzing pyrolyzable material (PM), a first particle separator (200) for separating the pyrolytic vapours (PV) and a first solid material fraction (SF1) from a pyrolysis product feed, and a particulate material heater (300) for heating the first solid material fraction. The particulate material heater (300) comprises second distributors (320) for feeding second fluidizing gas (Gas2) into the particulate material heater (300) to fluidize particulate material within the particulate material heater (300) and an electric heater (310) configured to electrically heat particulate material arranged in the particulate material heater (300). The invention relates also to a method for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The method comprises at a first period, heating the particulate material arranged in the particulate material heater (300) using an electrical heater (310), guiding heated particulate material from the particulate material heater (300) into the pyrolysis reactor (100).

The utility model relates to energy supplementing device technical field especially relates to a kind of energy supplementing device of dry quenching system. Its main aim at dry quenching coke powder sensible heat waste, complex and there are safety environmental protection hidden danger in processing flow, and the problem that full dry quenching production low load operation leads to equipment life and power generation efficiency decline, propose following technical scheme: including dry quenching furnace;Dust remover is connected in the dry quenching furnace output end by pipeline, and one output end of the dust remover is connected with return device, and the return device is connected with energy supplementing combustion system by pipeline, and the energy supplementing combustion system is connected with dry quenching furnace by pipeline;Waste heat boiler, the output end of the waste heat boiler is connected with dry quenching furnace by pipeline, and circulating flue is equipped with circulating fan and auxiliary economizer.The utility model realizes the comprehensive benefits of dry quenching system energy saving and efficiency increasing, environmental protection safety and working condition stable, promote full dry quenching production load, guarantee boiler, fan and other equipment life and power generation efficiency.

The invention relates to a system and process for thermo-chemical transformation of mixed wet waste streams using a rotary kiln reactor equipped with a multi-annular concentric feed assembly. A central conduit introduces wet food waste mixed with plastics, biodegradable packaging, and fluorinated materials, while an intermediate annulus supplies auxiliary fuel and an outer annulus delivers oxidant gas under controlled sub-stoichiometric conditions. The kiln operates through sequential zones of reduction, partial oxidation, and complete oxidation to convert organics into hydrogen, carbon monoxide, methane, and finally carbon dioxide and water. Halogens and sulfur compounds are converted to hydrogen halides and hydrogen sulfide, which are neutralized downstream with calcium oxide to form stable salts. Heat recovery from the flue gas produces steam or hot water. The process eliminates pre-drying, allows co-processing of wet and dry wastes, and provides efficient energy recovery in a compact, scalable configuration. The invention eliminates the need for pre-drying or segregation, enabling simultaneous treatment of heterogeneous feedstocks.

A system for carbonizing biomass using boiler flue gas includes a boiler, economizer, air preheater, biomass dryer, pellet collector, carbonization furnace, electrostatic precipitator, desulfurization tower, exhaust flue of the desulfurization tower, and chimney. The system is characterized by: the carbonization furnace being connected to the boiler via a high-temperature flue at the furnace inlet; the biomass dryer and carbonization furnace being integrated; a medium-temperature flue from the boiler connecting to the biomass dryer; the lower outlet of the biomass dryer connecting to the pellet collector; one outlet of the pellet collector connecting to the carbonization furnace; and the other outlet connected to the medium-temperature flue via a cold flue fan, electrostatic precipitator, induced draft fan, and induced draft fan outlet recirculation flue. The carbonization furnace is also connected to the boiler via a carbonization furnace exhaust flue. This invention improves energy efficiency, reduces production costs, and minimizes environmental pollution: by utilizing flue gas to carbonize biomass, the fly ash and waste gas generated during the carbonization process are purified by the boiler's original flue gas treatment system, effectively reducing air pollution compared to conventional biomass carbonization processes. Meanwhile, the biochar produced can be used for agricultural soil improvement or as solid fuel, which has good environmental benefits.

A pyrolysis plant comprising a reactor (2) for producing pyrolysis gas (28) from biomass (30) is disclosed. The reactor (2) comprises one or more reaction channels (3) thermally connected to at least one heating circuit (18), which is configured to heat the reaction channels (3) to a temperature that is high enough to gasify the biomass (30), where the reactor (2) comprises a feed section (6) configured for feeding the biomass (30) into the reaction channels (3). Each reaction channel (3) constitutes a heating circuit (18) integrated in the reaction channel (3), wherein the heating circuit (18) comprises a gas mixture unit and a plurality of input nozzles (40) arranged and configured to introduce a mix of oxygen and CO2 (42) from the gas mixture unit (54) into the reaction channel (3).

The present application relates to a kind of coal-based solid waste comprehensive treatment process and system containing volatile matter, belong to coal-based solid waste resource utilization technical field.The process aims to solve the problems of existing technology when processing coal-based solid waste containing volatile matter, such as material easy to be cemented, low thermal utilization efficiency and unstable product quality.Process technical scheme includes drying section, anaerobic pyrolysis section, preheating section, decarburization section and rapid cooling section, slow cooling section, final cooling section executed in sequence;Anaerobic pyrolysis section uses circulating pyrolysis gas as heat carrier to exchange heat with dried material to precipitate volatile matter, and the pyrolysis gas discharged from the anaerobic pyrolysis section is partly returned to circulation after dust removal, and the other part is output as fuel.The process and system are mainly used to realize efficient and stable treatment of coal gangue and other coal-based solid waste containing volatile matter and produce cement admixture or ceramsite products.

Pyrolysis process comprising a preheating phase of a reactor vessel (5), followed by a heating phase of the reactor vessel to a set temperature, during which the material to be pyrolyzed is fed into the vessel, followed by a pyrolysis phase. The process includes, after the pyrolysis phase, a final heating phase and then a cooling phase of the vessel to a predetermined temperature above ambient temperature, followed by a phase of removing the char contained in the vessel by suction. Installation for implementing the process. Figure for the abstract: Figure 1

A method for depolymerizing a polymer into one or more monomers. A fluidized reactor system is provided that includes a pyrolysis chamber (2), a combustion chamber (12), and a bed material that circulates from the combustion chamber (12) to the pyrolysis chamber (2) via a transport zone (30). A feedstock containing 60% or more polymer based on the weight of the feedstock is introduced into the pyrolysis chamber (2), and a pyrolysis process is carried out at a temperature within the range of 450 to 650 °C in the bed material to obtain a depolymerized polymer product gas containing monomers. By circulating the bed material, sufficient heat for carrying out the pyrolysis process can be transferred from the combustion chamber (12) to the pyrolysis chamber (2).

The present application discloses a device and method for rapidly preparing carbon from straws and recycling and treating flue gas and smoke dust. The device includes a pyrolysis and carbonization chamber and a collection and separation chamber which are communicated with each other; the pyrolysis and carbonization chamber and the collection and separation chamber are communicated with each other through a flue gas inlet; the collection and separation chamber includes a separation area in which a sprayer I is further disposed; and flue gas enters the separation area through the flue gas inlet and is then discharged. The method includes: introducing straws that are ignited outside into a pyrolysis and carbonization chamber; introducing flue gas produced by the pyrolysis and carbonization chamber in running into a collection and separation chamber via a flue gas inlet, and at least separately treating the flue gas in a separation area in the collection and separation chamber; and introducing the flue gas into the separation area, and converting main component-biomass energy in the flue gas into straw vinegar using a sprayer I in the separation area. In the present application, the gaseous biomass energy is continuously recycled and converted, and the main component-biomass energy in the flue gas is converted into the straw vinegar for recycling, so that the utilization rate of biomass energy of straws of the original device is increased by 30-33% to 50%.

A method and device for drying and torrefaction of a carbon-based feedstock, comprising: drying the feedstock (§1) with air (§3) originating solely from a makeup of ambient air in order to produce an at least partially dried solid effluent (§5); treating said solid effluent with a gaseous combustion effluent (§15) to produce a torrefied solid effluent (§7) and a gaseous torrefaction effluent (§8); treating said gaseous torrefaction effluent in a combustion unit (§9) with an oxygen-containing gas stream (§10) to produce combustion flue gases (§12), a portion of the heat generated by combustion being used to heat one or more stream(s) entering the combustion unit; cooling combustion flue gases to produce partially cooled combustion flue gases (§14), at least a first portion of which is recycled to the torrefaction unit (§6), as gaseous combustion effluent.

The invention relates to a system for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The system comprises a pyrolysis reactor (100) for pyrolyzing pyrolyzable material (PM), a first particle separator (200) for separating the pyrolytic vapours (PV) and a first solid material fraction (SF1) from a pyrolysis product feed, and a particulate material heater (300) for heating the first solid material fraction. The particulate material heater (300) comprises second distributors (320) for feeding second fluidizing gas (Gas2) into the particulate material heater (300) to fluidize particulate material within the particulate material heater (300) and an electric heater (310) configured to electrically heat particulate material arranged in the particulate material heater (300). The invention relates also to a method for pyrolyzing pyrolyzable material (PM) to produce pyrolytic vapours (PV). The method comprises at a first period, heating the particulate material arranged in the particulate material heater (300) using an electrical heater (310), guiding heated particulate material from the particulate material heater (300) into the pyrolysis reactor (100).

The present application relates to biomass carbonization equipment technical field, specifically to a kind of biomass carbonization reaction device and method, including heat conduction ventilation structure and carbonization reaction structure, and the heat conduction ventilation structure is connected with carbonization reaction structure.The structure of carbonization reaction structure is set, the purpose of carbonization processing is realized, gas is introduced into heat insulation sleeve through docking vent, guiding shunt pipe, communication branch pipe, and speed reducer is rotated by second matching gear disc to drive first matching gear disc, so that drive transmission rod is rotated by telescopic connecting rod to drive storage seat, mixed rotation purpose is realized, continuous carbonization production work is realized, and heating resistance is heated by electrification, the heating carbonization treatment work of biomass raw material in storage seat is realized, and the purpose of automatic processing production is facilitated.

This invention discloses a shock wave vortex device and method for biomass flash pyrolysis. The device includes at least: a shock wave preheating section, which is a furnace tube structure with constricted ends. The furnace tube includes a shell and a rotating shaft with the same shape as the shell, which is disposed inside the shell. The circumferential gap between the rotating shaft and the shell forms a gas channel. In the gas channel, at corresponding positions along the gas flow direction in the straight section of the furnace tube, there are sequentially arranged: a first stator for initial acceleration of process gas, a rotor for accelerating process gas to supersonic speed, and a second stator for generating shock wave loss and rapidly raising the temperature of process gas; a biomass particle inlet is located at the end of the shock wave preheating section for mixing biomass particles with the gas heated by the shock wave; a pyrolysis chamber, which includes a cylindrical section and a conical section. The shock wave preheating section is tangentially connected to the pyrolysis chamber at the upper part of the cylindrical section; the biomass particles and high-temperature gas form a vortex in the cylindrical section, and pyrolysis is carried out in the vortex state, while gas-solid separation is carried out in the conical section.

This invention relates to the field of environmental protection and comprehensive resource utilization technology, and discloses an emission reduction method for producing activated carbon from waste biomass, comprising the following steps: S1, adaptive conditioning pretreatment of raw materials: obtaining waste biomass raw materials containing at least one of agricultural straw, forestry waste, and food processing residue; performing online composition and physical property testing on the waste biomass raw materials to obtain data on its moisture content, ash content, volatile matter, and fixed carbon content; and automatically classifying the waste biomass raw materials into one of at least three preset processing levels through a material classification matrix based on the data; and adaptively adjusting the crushing particle size of the crushing module and the drying temperature and drying time of the drying module according to the processing level. This invention utilizes a multi-stage heat exchange system to perform tiered energy utilization of the 1000-1200℃ high-temperature flue gas generated in the combustion chamber, sequentially supplying energy to the activation furnace, catalytic reforming reactor, multi-stage gasification furnace, and drying module, significantly reducing external energy input.

The present application relates to sludge treatment technical field, specifically disclose a kind of by smoldering drive sewage sludge pyrolysis carbon device, comprising: smoldering combustion chamber, inside it is equipped with the feeder that can contain sludge to be pyrolyzed and remain, and the feeder with the smoldering combustion chamber carries out heat interaction;Nitrogen gas pipeline, with the feeder communication, provides inert environment for sludge pyrolysis reaction;Smoldering combustion chamber is configured with smoldering sludge, smoldering sludge is in smoldering state and heats sludge to be pyrolyzed in feeder to pyrolysis temperature, the present application can recycle the heat generated by sludge smoldering, convert it into other sludge heating energy, so that sludge pyrolysis generates biochar, break through the maximum economic bottleneck of traditional sludge pyrolysis high energy consumption, reduce sludge treatment cost, can realize sludge reduction and harmlessness with lower cost, also achieve the purpose of resource recycling for part of sludge.