WO2017209638A1 - Procédé et installation de conversion thermo-chimique de matières premières contenant des composés organiques - Google Patents

Procédé et installation de conversion thermo-chimique de matières premières contenant des composés organiques Download PDF

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Publication number
WO2017209638A1
WO2017209638A1 PCT/RU2016/000324 RU2016000324W WO2017209638A1 WO 2017209638 A1 WO2017209638 A1 WO 2017209638A1 RU 2016000324 W RU2016000324 W RU 2016000324W WO 2017209638 A1 WO2017209638 A1 WO 2017209638A1
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WIPO (PCT)
Prior art keywords
pyrolysis
vapor
gas mixture
zone
products
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2016/000324
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English (en)
Russian (ru)
Inventor
Андрей Николаевич ГРАЧЕВ
Владимир Николаевич БАШКИРОВ
Сергей Андреевич ЗАБЕЛКИН
Александр Александрович МАКАРОВ
Сергей Альбертович ПУШКИН
Гузелия Мансуровна ФАЙЗРАХМАНОВА
Иван Геннадьевич ЗЕМСКОВ
Сергей Владимирович БУРЕНКОВ
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Obshchestvo S Ogranichennoj Otvetstvennostyu "energolesprom"
Original Assignee
Obshchestvo S Ogranichennoj Otvetstvennostyu "energolesprom"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Obshchestvo S Ogranichennoj Otvetstvennostyu "energolesprom" filed Critical Obshchestvo S Ogranichennoj Otvetstvennostyu "energolesprom"
Priority to EA201891014A priority Critical patent/EA036341B1/ru
Priority to US16/300,960 priority patent/US20200291301A1/en
Priority to DE212016000279.1U priority patent/DE212016000279U1/de
Priority to PCT/RU2016/000324 priority patent/WO2017209638A1/fr
Publication of WO2017209638A1 publication Critical patent/WO2017209638A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/02—Multi-step carbonising or coking processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/32—Other processes in ovens with mechanical conveying means
    • C10B47/34—Other processes in ovens with mechanical conveying means with rotary scraping devices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B27/00—Arrangements for withdrawal of the distillation gases
    • C10B27/06—Conduit details, e.g. valves
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/32—Other processes in ovens with mechanical conveying means
    • C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B5/00—Coke ovens with horizontal chambers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
    • C10B57/10—Drying
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
    • C10B7/02—Coke ovens with mechanical conveying means for the raw material inside the oven with rotary scraping devices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation

Definitions

  • the invention relates to the field of processing of organic substances, in particular to a technique for processing ground wood waste, crop products, food industry waste, animal waste and poultry.
  • the products obtained in the process of thermal processing of organo-containing raw materials can be used as fuel.
  • a method of ablative pyrolysis in a vertical cylindrical tank with a rotating rotor with blades located coaxially with the tank and providing blades for heating the raw material by contacting the heated walls of the tank with the exit of solid fractions and steam through openings located close to the bottom of the tank is known from the prior art.
  • the disadvantage of this method is the inability to ensure the same residence time of the particles of raw materials in the reaction zone, that is, to ensure the same degree of destruction of the raw materials and the stable quality of the products obtained.
  • the contact of the raw material particles entering the reactor with the upward flows of the resulting vapor-gas degradation products and the partial condensation of these vapors on the raw material particles lead to particles sticking together, clogging the mass of space between the blades and the rotor, exclude the possibility of providing the necessary raw material contact with the heated walls of the tank, make it difficult heat transfer and thus exclude uninterrupted operation and stable quality of the resulting products.
  • thermolysis also known from the prior art is the method of ablative thermolysis, which includes the hermetic supply of raw material particles, ablative thermolysis of raw material particles sandwiched between a rotating surface and a heated ablation surface, while moving the raw material particles during thermolysis along the ablation surface using a rotating surface, unloading thermolysis products.
  • the disadvantages of this method are the difficulty of controlling the speed of the axial movement of the particles of raw materials and the necessary contact time of the particles of raw materials with a heated ablation surface and, therefore, the inability to ensure stable quality of the products obtained, as well as the possibility of sticking particle accumulation between the rotating surface and the ablation surface with the formation of an annular plug between the rotating surface and the shaft.
  • Adhesion and accumulation of particles of raw materials occurs as a result of contact of colder particles of raw materials supplied to thermolysis with gas-vapor reaction products and their partial condensation on the surface of the particles. Such accumulation can lead to termination of the process and jamming of the apparatus.
  • the closest in technical essence and the achieved result is a method of thermal processing of organo-containing raw materials (RU Ns 2395559, 07/27/2010), in which the thermochemical conversion of organo-containing raw materials into gaseous and liquid fuels is carried out by first heating in a drying chamber with a drying agent at a temperature of 160-200 ° C obtained by mixing flue gases passing through the jacket of a pyrolysis chamber with air, and then thermal decomposition without air in the pyrolysis reactor to obtain solid pyrolysis products and steam gas new mixture followed by condensation of part of the gas-vapor mixture into liquid fuel, and part of the non-condensed gas-vapor mixture after preheating to a temperature of 450-520 ° C is fed to the pyrolysis reactor in an amount that ensures the residence time of the pyrolysis products in the pyrolysis chamber for no more than 2 seconds and overpressure pyrolysis chamber at the level of 500-1000 Pa.
  • the disadvantages of this method are: additional heat consumption for heating part of the non-condensed vapor-gas mixture, which is fed to the pyrolysis chamber after condensation of liquid fuel, significant fluctuations in the residence time of the particles of raw materials in the pyrolysis chamber, controlled by the amount of recirculated gas supplied, the resinification of the details of the power generation device by the exhausted part of the non-condensed vapor-gas mixture and even greater adhesion of the particles of raw materials at the entrance to the pyrolysis chamber as a result of the circulation of finely dispersed about fog droplets of high boiling liquid in the gas recirculation circuit, which leads to instability in the quality of the degradation products of the processed raw materials.
  • the task of the invention is to increase the stability and efficiency of the process of thermochemical conversion of organo-containing raw materials, increase the reliability of the installation and the quality of the resulting products.
  • the technical result of the claimed group of inventions is to increase the efficiency of the process of thermochemical conversion of organo-containing raw materials, which consists in ensuring uninterrupted operation with a stably high quality of the products obtained.
  • thermochemical conversion of organo-containing raw materials including drying, pressurized supply of raw materials to the pyrolysis reactor, thermal decomposition of raw materials without air in the pyrolysis reactor to obtain solid products and gas-vapor mixture, subsequent separation by condensation into liquid products ( condensed part of the gas-vapor mixture) and gaseous products (non-condensed part of the gas-vapor mixture), after drying, the organo-containing feed before pyrolysis is fed to the reactor preheated to a temperature close to but not exceeding the initiation temperature of thermal decomposition of the least thermally stable component of organic materials, with surface of the chamber is heated to a temperature which excludes parogazovyh condensation of pyrolysis products, and raw material heating temperature is controlled residence time in the preheating zone; thermal decomposition is carried out in the form of the following successive stages, which take place in the corresponding zones of the pyrolysis reactor, with the possibility of independent temperature control: primary pyrolysis, in which the raw materials
  • condensation is carried out in three successive stages: primary cooling of the vapor-gas mixture in the purification zone of the vapor-gas mixture of the pyrolysis reactor, condensation of the vapor phase in the condenser, separation of the non-condensed part of the vapor-gas mixture from the droplet liquids with recirculation of a part of the gaseous product through the purification zone of the pyrolysis reactor.
  • primary pyrolysis is carried out mainly in the mechanical ablation mode.
  • the blades are pivotally mounted on the rotating surface of the pyrolysis reactor and have at least one degree of freedom.
  • the device of independent and elastic installation of the angle of inclination of the blades has a kinematic connection with them, removed from the high temperature zone, isolated from the action of the resulting vapor-gas mixture, and is configured to provide elastic pressure with the required frequency and force in the direction both to the surface ablation, and to a rotating surface.
  • the elasticity in the device of an independent and elastic installation of the angle of inclination of the blades is achieved by pneumatic, mechanical, electromagnetic and other methods.
  • the blades are placed on the rotating surface of the pyrolysis reactor with an offset of one relative to each other along the length and radius of the rotating surface, in particular along a helix.
  • the surface relief of the ablation of the pyrolysis reactor is made in the form of a helical surface with a variable or constant pitch, and the helical surface can be made without gaps or in separate sections.
  • the heating devices of each of the three zones of the pyrolysis reactor have the ability to independently control the temperature.
  • the condensation unit separator is connected by a pipeline to the reactor cleaning zone
  • Figure 1 installation diagram of the thermochemical conversion of organo-containing raw materials.
  • Figure 2 is a schematic illustration of a device for independent and elastic installation of the angle of inclination of the blades, implemented pneumatically by the scheme of the process of rapid pyrolysis
  • thermochemical conversion of organo-containing raw materials including drying, pressurized feed to the reactor pyrolysis, thermal decomposition of raw materials without air in the pyrolysis reactor to obtain solid products and a gas-vapor mixture, its subsequent separation by condensation into liquid products (the condensed part of the gas-vapor mixture) and gaseous products (non-condensed part of the gas-vapor mixture) after drying, the organo-containing raw material before being fed to the pyrolysis reactor preheated to a temperature close to but not exceeding the temperature of the onset of thermal decomposition of the least thermally stable component of the organo raw materials, and the surface of the chamber is heated to a temperature that excludes condensation of the vapor-gas pyrolysis products, and the heating temperature of the raw material is controlled by the residence time in the preheating zone, thermal decomposition is carried out in the form of the following stages, which can be independently temperature controlled in the pyrolysis reactor, which can be independently temperature controlled : primary pyrolysis, in which the
  • the installation for thermochemical conversion of organo-containing raw materials includes a drying chamber (1), a hermetic feed chamber (2), a pyrolysis reactor (3), a condensation unit (6), and a furnace (8). Drying chamber transport devices communicated through
  • the condensation unit includes a series-mounted mass transfer device - a capacitor and a separator.
  • the working space of the pyrolysis reactor is divided into three zones: the first along the feedstock is the primary pyrolysis zone, the second zone is the steam-gas mixture treatment zone equipped with a device for separation and return of products of incomplete destruction, and the third zone is the secondary pyrolysis zone.
  • the pyrolysis reactor is equipped with an ablation surface capable of independently controlling the temperature in each zone.
  • the pyrolysis reactor is equipped with: in the primary pyrolysis zone, a pipe connecting the reactor to the hermetic feed chamber, in the cleaning zone - pipes for removing the vapor-gas mixture after cleaning the condenser and supplying part of the gaseous product after the separator to cool the gas-vapor mixture of primary pyrolysis, in the secondary pyrolysis zone - with a device coal unloading.
  • the pyrolysis reactor is also equipped with a rotor, on the rotating surface of which with a step along the length and radius there are blades having a kinematic connection with an independent and elastic installation of the angle of inclination of the blades.
  • the device for independent and elastic installation of the angle of inclination of the blades is removed from the high temperature zone and isolated from the action of the resulting vapor-gas mixture.
  • Independent elastic installation of the angle and clamping force of the blades can be carried out by mechanical, electromagnetic, pneumatic and other methods. In the particular case, this is carried out pneumatically using pneumatic cylinders and a distributor.
  • a plant for the thermochemical conversion of organo-containing raw materials containing a drying chamber, a hermetic feed chamber, a pyrolysis reactor having a rotating surface equipped with at least one blade with an axis of rotation coinciding with the longitudinal axis of the pyrolysis reactor, and at least one round or elliptical ablation surface cross-section perpendicular to the axis of rotation of the rotating surface, device for independent and elastic installation of the angle of inclination of the blades, condensation unit, consisting of mass transfer apparatus and that the separator, the sealed chamber is provided with a feed raw material heating means, and the working space during the feed of the pyrolysis reactor is divided into successive zones equipped with independent heating devices - primary zone pyrolysis, a cleaning zone for a gas-vapor mixture equipped with a device for separating and returning products of incomplete destruction, and a secondary pyrolysis zone, the blades being pivotally mounted on the rotating surface of the pyrolysis reactor and have at least one degree of freedom;
  • the heating of the organo-containing raw material after drying, before being fed to the pyrolysis reactor in a sealed raw-material supply chamber, equipped with means for heating to a temperature close to but not exceeding the temperature of the onset of thermal decomposition of the least thermally stable component of the organo-containing raw material, allows partially to remove the heating zone of the raw material from the reactor, eliminating the possibility of condensation of products gas-vapor mixture on the particles of raw materials entering the reactor from the drying hopper, increase the heat transfer efficiency in the reactor.
  • the surfaces of the pressurized feed chamber are heated to a temperature that excludes condensation of combined-cycle pyrolysis products, which reduces the efficiency of the process and the quality of the final products.
  • the regulation of the temperature of the preliminary heating of the raw materials during the residence time allows you to effectively apply the method and installation for various types of raw materials and to exclude thermal decomposition in the chamber of the hermetic feed of raw materials.
  • the thermal decomposition is carried out sequentially in three stages in the corresponding zones of the pyrolysis reactor (primary pyrolysis zone, steam-gas mixture purification zone, secondary pyrolysis zone), which have the possibility of independent temperature control, which allows for the conversion of organo-containing raw materials with maximum efficiency and a consistently high quality of the products obtained, to purify the vapor-gas mixture from volatile finely dispersed coal, which forms a resinous layer of unreacted product in the presence of the vapor-gas mixture at the reactor outlet, return it to the reaction zone, thereby preventing a reduction in the cross section of the flues, sticking and clogging of the units of the installation, exclude sorption by the carbonaceous residue located in the secondary pyrolysis zone of the steam-gas mixture, thereby increasing the reliability of the unit oystva coal unloading and the quality of the coal as well as improve the quality of liquid products.
  • the sequential arrangement of the zones of the pyrolysis reactor prevents contact of incoming raw materials with thermal decomposition products, as well as the contact of coal in the secondary pyrolysis zone with the vapor-gas mixture of primary pyrolysis, which improves the quality of the coal discharged by reducing the content of secondary decomposition products of the vapor-gas mixture.
  • Condensation in three successive stages (primary cooling of the vapor-gas mixture in the purification zone of the vapor-gas mixture of the pyrolysis reactor, condensation of the vapor phase in the condenser, separation of the non-condensed part of the vapor-gas mixture from the dropping liquid with recirculation of part of the gaseous product through the purification zone of the pyrolysis reactor) improves the efficiency of separation of condensed products and dropping liquids from gaseous products, eliminate the catalytic acceleration of the resinification reaction in combined cycle mixture, reduce the temperature gradient in the condenser by supplying a gas-vapor mixture cooled in the cleaning zone of the pyrolysis reactor, increase the efficiency of further use of gaseous products, in particular, to generate electricity by reducing the content of droplet liquid.
  • the implementation of primary pyrolysis in mechanical ablation mode reduces the requirements for particle size, in particular, allows you to process particles up to 50 mm in size, reducing the cost of preliminary grinding of raw materials.
  • Independent purging with an inert gas heated to the appropriate temperature or with reducing or oxidizing properties in the zones of primary and secondary pyrolysis can improve the conditions of primary pyrolysis and improve the quality of coal.
  • Inert gas purging eliminates the effects of air entering the reaction zone, thereby increasing the safety of the installation.
  • Purge gas with reducing properties allows you to increase the carbon content in the resulting coal by converting part of the substances adsorbed by coal into carbon.
  • Gas purge with oxidizing properties it allows the process of activation of coal, improving the porosity and sorption capacity, which will also increase its quality.
  • the hinged mounting of the blades on the rotating surface of the pyrolysis reactor and the presence of at least one degree of freedom allows them to carry out self-regulating and reliable particle clamping depending on various parameters (raw particle size, etc.) during operation to the ablation surface, as well as during periodic cleaning to the surface of rotation.
  • the proposed method allows to increase the stability and efficiency of the process of thermochemical conversion of organo-containing raw materials, increase the reliability of the installation and the quality of the resulting products.
  • Organo-containing raw material enters the drying chamber (1), where moisture is removed from it to a moisture content of not more than 10% abs. May. Drying is carried out by a drying agent obtained by mixing flue gases leaving the pyrolysis reactor jacket (3) with air.
  • the dried organo-containing raw material enters the chamber of the hermetic supply of raw materials (2), where it is heated to the temperature of the onset of thermal decomposition. In a particular case, heating to the temperature of the onset of thermal decomposition was carried out through the wall by flue gases leaving the reactor.
  • the surface of the chamber of the hermetic feed of raw materials can be heated significantly above the start temperature
  • Particles of heated raw materials entering the pyrolysis reactor (3) are reliably pressed by the blades of the rotating surface to the hot ablation surface, as a result of which the thermochemical conversion of the organo-containing raw material occurs.
  • the clamp of the raw material particles by the blades is ensured by means of the device (4), as a variant of a specific embodiment in which the kinematic connection of the pneumatic cylinders with the blades is provided by coaxial shafts.
  • the device (4) including the pneumatic distributor and pneumatic cylinders, is removed from the high temperature zone and isolated from the action of the resulting vapor-gas mixture (Fig. 2).
  • the relief of the ablation surface in the form of a helical line and the location of the blades along the helical line provide the axial movement of solid particles of the raw material specified by the pitch of the helical line and the rotor speed. Since the amount of solid particles decreases during the thermochemical conversion of the feedstock, the stability of the process along the axis of the pyrolysis reactor (3) is ensured by a variable helix pitch along the length of the reactor and an adjustable clamping force of the blades. After the raw material passes through the primary pyrolysis zone, the resulting vapor-gas mixture with a certain amount of volatile finely dispersed carbon residue formed as a result of rather intensive mechanically activated processing (ablation) enters the separation and return of products of incomplete destruction (5).
  • ablation rather intensive mechanically activated processing
  • the finely dispersed volatile coal in the form of a gummy unreacted product (reaction products) saturated on vapors and partially condensed decomposition products deposited on the walls of the device for separating and returning products of incomplete destruction (5) is returned to the pyrolysis reaction zone and then, together with the remaining solid carbonaceous residue, is fed into the secondary pyrolysis zone for calcination and further through the coal unloading device 9 into the coal collector.
  • the vapor-gas mixture purified from products of incomplete destruction is fed into the condensation unit (6) for condensation (condenser) and for condensate separation in the droplet phase in the form of fog from non-condensable gas (separator).
  • the separator can be either inertial type or in the form of an electrostatic precipitator. Then, part of the cooled gaseous products is fed by a fan to the purification zone of the gas-vapor mixture of the pyrolysis reactor (3).
  • independent heating of each zone of the pyrolysis reactor is carried out by feeding flue gases obtained by burning fuel in the furnace (8) into the reactor jacket after mixing them with air to ensure the necessary temperature regime of the pyrolysis process.
  • the flue gases are first supplied to the pressurized feed chamber to heat the latter to a temperature close to but not exceeding the temperature of the onset of thermal decomposition of the least thermally stable component of the organo-containing feed, and then to the drying chamber in as a drying agent.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

La présente invention concerne le traitement de matières premières contenant des substances organiques. Ce procédé de conversion thermo-chimique de matières premières contenant des composés organiques est réalisé dans une installation qui comprend une chambre de séchage, une chambre hermétique d'alimentation en matières premières, un réacteur à pyrolyse, un dispositif de réglage souple et indépendant de l'angle d'inclinaison de pales, et une unité de condensation. Le réacteur à pyrolyse comprend une surface rotative comportant au moins une pale et dont l'axe de rotation coïncide avec l'axe longitudinal du réacteur à pyrolyse, et au moins une surface ablative ayant une section ronde ou elliptique perpendiculaire à l'axe de rotation de la surface rotative. La chambre hermétique d'alimentation en matières premières comprend des moyens de chauffage des matières premières. L'espace de travail du réacteur à pyrolyse dans le sens d'avancement des matières premières est divisé en zones qui se suivent et sont équipées de dispositifs de chauffage indépendant de zone, à savoir une zone de pyrolyse primaire, une zone de purification du mélange de vapeurs et de gaz comportant un dispositif de séparation et de renvoi de produits incomplètement détruits, et une zone de pyrolyse secondaire. L'invention permet d'augmenter l'efficacité du processus de conversion thermo-chimique de matières premières contenant des composés organiques
PCT/RU2016/000324 2016-05-30 2016-05-30 Procédé et installation de conversion thermo-chimique de matières premières contenant des composés organiques Ceased WO2017209638A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EA201891014A EA036341B1 (ru) 2016-05-30 2016-05-30 Способ и установка термохимической конверсии органосодержащего сырья
US16/300,960 US20200291301A1 (en) 2016-05-30 2016-05-30 Method and installation for thermochemical conversion of raw material containing organic compounds
DE212016000279.1U DE212016000279U1 (de) 2016-05-30 2016-05-30 Anlage der thermochemischen Umwandlung von organhaltigen Rohstoffen
PCT/RU2016/000324 WO2017209638A1 (fr) 2016-05-30 2016-05-30 Procédé et installation de conversion thermo-chimique de matières premières contenant des composés organiques

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Application Number Priority Date Filing Date Title
PCT/RU2016/000324 WO2017209638A1 (fr) 2016-05-30 2016-05-30 Procédé et installation de conversion thermo-chimique de matières premières contenant des composés organiques

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WO2017209638A1 true WO2017209638A1 (fr) 2017-12-07

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PCT/RU2016/000324 Ceased WO2017209638A1 (fr) 2016-05-30 2016-05-30 Procédé et installation de conversion thermo-chimique de matières premières contenant des composés organiques

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US (1) US20200291301A1 (fr)
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RU2749756C1 (ru) * 2020-09-28 2021-06-16 Клеймёнов Александр Филиппович Мобильная шнековая многоступенчатая сушилка
RU2749755C1 (ru) * 2020-09-28 2021-06-16 Клеймёнов Александр Филиппович Установка быстрого пиролиза для утилизации отходов
CN114653729A (zh) * 2021-12-17 2022-06-24 中国科学院广州能源研究所 一种退役风机叶片真空热解处理回收方法
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CN115014086A (zh) * 2022-05-31 2022-09-06 西安交通大学 采用垃圾焚烧发电厂内垃圾飞灰制备陶粒的系统及方法
CN115014086B (zh) * 2022-05-31 2023-07-14 西安交通大学 采用垃圾焚烧发电厂内垃圾飞灰制备陶粒的系统及方法
CN117174216A (zh) * 2023-10-24 2023-12-05 浙江大学 层合复合材料热响应分析方法、电子设备和可读存储介质
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