CARBONACEOUS SUBSTANCE REACTION SYSTEM AND METHOD

Externally heated microwave plasma gasifier and synthesis gas production method

CARBONACEOUS SUBSTANCE REACTION SYSTEM AND METHOD

Externally heated microwave plasma gasifier and synthesis gas production method

CARBONACEOUS SUBSTANCE REACTION SYSTEM AND METHOD

Externally heated microwave plasma gasifier and synthesis gas production method

VERFAHREN ZUR GEWINNUNG VON KALIUMKARBONAT AUS ASCHE

PROCEDURE FOR THE THERMAL UTILIZATION OF WASTE MATERIALS

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrother-mal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalyt-ic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that re-sults from the catalytic gasification process.

СПОСОБ КАТАЛИТИЧЕСКОЙ ГАЗИФИКАЦИИ ВОДЯНЫМ ПАРОМ С РЕГЕНЕРАЦИЕЙ И ПОВТОРНЫМ ИСПОЛЬЗОВАНИЕМ СОЕДИНЕНИЙ, СОДЕРЖИЩИХ ЩЕЛОЧНОЙ МЕТАЛЛ

Описаны высокоэффективный способ газификации для конверсии углеродсодержащих твердых веществ в метан и аппаратная часть для его воплощения. Способ включает проведение реакции между водяным паром и углеродсодержащими твердыми веществами, включающими золу, в присутствии катализатора, содержащего щелочной металл, в реакторе газификации с образованием горючих газов и частиц кокса, включающих золу и компоненты, включающие катализатор, содержащий щелочной металл, обработку фракции таких частиц кокса в системе для регенерации катализатора, содержащего щелочной металл, для регенерации компонентов катализатора в виде соединений щелочного металла и повторное использование этих регенерированных соединений. В системе регенерации катализатора, содержащего щелочной металл, способ включает быстрое охлаждение фракции частиц кокса водой, при этом эти частицы охлаждаются и дробятся, что приводит к растворению растворимых компонентов катализатора, содержащего щелочной металл, из раздробленных твердых частиц с образованием первого раствора катализатора, содержащего щелочной металл, и промытых твердых веществ, дополнительно возможно проведение реакции с промытыми твердыми веществами в растворе щелочного металла с образованием второго раствора катализатора, содержащего щелочной металл, концентрирование указанных первого и дополнительного второго раствора щелочного металла для регенерации компонентов катализатора, содержащего щелочной металл, в виде указанных соединений щелочного металла. Described is a highly efficient gasification method for converting carbonaceous solids to methane and hardware for its implementation. The method includes conducting a reaction between steam and carbon-containing solids, including ash, in the presence of a catalyst containing an alkali metal, in a gasification reactor to form combustible gases and coke particles, including ash and components including a catalyst containing an alkali metal, processing a fraction of such particles coke in an alkali metal ...

SYSTEMS AND METHODS FOR GASIFYING A FEEDSTOCK

Systems and methods for gasifying a feedstock are provided. The method can include combining one or more feedstocks and one or more solid components in a treatment zone to provide a treated feedstock. At least a portion of the treated feedstock can be introduced to a reaction zone of a gasifier. The one or more solid components can have an average density and an average cross-sectional size that adjusts at least one of an average density of solids within a solids bed of the gasifier and an average cross-sectional size of the solids within the solids bed of the gasifier.

Gasification co-generation process of coal powder in a Y-type entrained flow bed

A gasification co-generation process of coal powder in a Y-type entrained flow bed, comprising: spraying coal water slurry or coal powder, gasification agent and water vapor into a gasification furnace through a top nozzle and a plurality of side nozzles for performing combustion and gasification with a residence time of 10 s or more; chilling the resulting slag with water, and subjecting the chilled slag to a dry method slagging to obtain gasification slag used as cement clinker; discharging the produced crude syngas carrying fine ash from the Y-type entrained flow bed to perform ash-slag separation.

PARTIAL OXIDATION PROCESS WITH SOOT FILTER CAKE RECOVERY

PARTIAL OXIDATION PROCEDURE WITH RECUPERATION OF SOOT FILTER MASSES

PROCEDURE FOR THE LIQUID MANURE TREATMENT

Soot filter cake disposal

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

METHODS AND SYSTEMS FOR TREATING A GASIFICATION SLAG PRODUCT

The current invention discloses a novel process and system to improve the quality of the slag product from a gasification process, thereby producing low-carbon marketable aggregate product. The inventive processes and systems employ a hindered-bed settler in conjunction with optional disengager and de-watering devices. A slag slurry stream from a gasification process is de-watered and the solids content is increased from less than 5% to greater than 30% via the de-waterer before being conveyed to a hindered-bed settler, wherein the carbon content is reduced from as much as 70% to less than 5%. Particles with a high carbon content are conveyed to a gravity settler, whereby they are concentrated and then recycled to the gasification reactor.

CARBONACEOUS SUBSTANCE REACTION SYSTEM AND METHOD

APPARATUS AND METHOD FOR TREATING SOLIDS

An apparatus and method suitable for the treatment of solid materials, and, particularly, waste, are disclosed. The apparatus includes a reaction vessel (20) including a reaction chamber (16); a system (3) for introducing solid material into the reaction chamber; a steam generating system for supplying steam to the reaction chamber to react with the solid materials; a grate (2) disposed in the reaction chamber (16) having openings of an effective size to pass ash and steam; an ash extraction system (4) disposed below the grate for extracting ash. The extracted ash may be fed into the reaction chamber (16) along with selected metallic oxides and lime. The apparatus may further include peripheral systems for treating the ash and gaseous by-products.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

FLY ASH RECYCLING GASIFICATION FURNACE

A fly ash recycling gasification furnace includes a fly ash burner, an ash remover, a fly ash storage tank, a variable pressure lock hopper, a fly ash blending system, an exhaust filter, and a backflushing nitrogen buffer tank. The fly ash burner is located on an inner wall of a hearth of the gasification furnace. The ash remover has an inlet connected to an outlet of a waste boiler of the gasification furnace. The fly ash storage tank is connected to a pressurized nitrogen inlet pipe, and a bottom outlet of the ash remover. The variable pressure lock hopper is connected to the fly ash storage tank. The fly ash blending system is connected to the variable pressure lock hopper and the fly ash burner. The exhaust filter is connected to the storage tank, the lock hopper and the blending system. The buffer tank is connected to the exhaust filter.

УСТРОЙСТВО УТИЛИЗАЦИИ СЫПУЧИХ ОРГАНИЧЕСКИХ ОТХОДОВ

FIELD: machine engineering. SUBSTANCE: device comprises a series-mounted feed hopper 1, a gas generator 2, a vortex trap 4, heat exchangers 5 and scrubbers 6 connected to each other by heat-insulated steel pipes, as well as an ash residue discharge line. An outlet 9 of said line is connected between the gas generator 2 and the vortex trap 4. The gas generator 2 is provided with an air supply control unit 3 and connected to it by flexible textile air ducts. After the gas generator 2, a combustion unit of the ash residue 10 is installed. The combustion unit of the ash residue 10 can be arranged between the gas generator 2 and the outlet of the ash residue discharge line 9 or directly on the ash residue discharge line. EFFECT: improved disposal efficiency by producing high quality amorphous silicon-containing residue. 4 cl, 2 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 631 294 C1 (51) МПК C10B 53/02 (2006.01) B09B 3/00 (2006.01) C10J 3/20 (2006.01) C01B 3/02 (2006.01) C01B 33/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2016150131, 19.12.2016 (24) Дата начала отсчета срока действия патента: 19.12.2016 (72) Автор(ы): Долицай Григорий Дмитриевич (RU) Дата регистрации: 20.09.2017 Приоритет(ы): (22) Дата подачи заявки: 19.12.2016 (56) Список документов, цитированных в отчете о поиске: RU 145436 U1, 20.09.2014. RU 2 6 3 1 2 9 4 R U (54) УСТРОЙСТВО УТИЛИЗАЦИИ СЫПУЧИХ ОРГАНИЧЕСКИХ ОТХОДОВ (57) Реферат: Изобретение относится к утилизации подключен между газогенератором 2 и вихревым органических отходов, а именно к устройствам уловителем 4. Газогенератор 2 снабжен блоком для их переработки путем пиролиза с получением контроля подачи воздуха 3 и соединен с ним генераторного газа, и может быть использовано гибкими текстильными воздуховодами. После для утилизации отходов заводов по производству газогенератора 2 установлен блок дожигания риса и овса с получением аморфного зольного остатка 10. Блок дожигания ...

VERFAHREN ZUM BETREIBEN EINER ANLAGE ZUR ENERGIEGEWINNUNG

Operating a plant for producing energy, comprises converting the carbonaceous mass, preferably biomass in at least one single-stage gasification process with the production of thermal energy into a combustible gas, where coke is formed as an intermediate product, and the combustible gas is partially converted into electrical energy. A part of the coke is converted into gas to produce energy and the other part of the coke is removed from the process and temporarily stored. Independent claims are also included for: (1) reducing annually accruing exhaust emissions during the process of energy production from carbonaceous mass, preferably biomass, where an energy-processed intermediate product is formed which is utilized for the production of thermal and electrical energy. The necessary part of the energetically processed intermediate product is used during periods of lower heat consumption for the generation of electrical energy such that the remaining part of the energetically processed intermediate ...

Municipal solid waste disposal process

Soot filter cake disposal

The present invention provides a method for the recovery of elemental carbon or soot produced during the partial oxidation reaction of a hydrocarbonaceous fuel and oxygen. An effluent stream of raw synthesis gas or syngas with entrained carbon soot is produced during the partial oxidation reaction. A filter cake (2) is fed to a receiving bin (10) and then to a lockhopper (14) where the wet filter cake is pressurized. Wet filter cake/oil feed mixture from lockhopper (14) is fed through line (38) to knockout vessel (44) wherein oil and water vapor exit (50) to a gasifier. An oil feed/particulate carbon mixture exits lockhopper (14) through lines (66) and (70) to oil feed storage drum (26), fed by oil feed (24), and exits water-free mixture of oil and solids (76) to a gasifier reaction zone.

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

描述了用于把碳质固体转化成甲烷的高效率气化工艺以及用于该操作的装置。该工艺包括：在碱金属催化剂存在下使蒸汽和包含灰分的碳质固体在气化反应器中反应制备可燃气体和包含灰分与碱金属催化剂组分的焦化颗粒，在碱金属催化剂再生系统中处理该焦化颗粒流以把上述催化剂组分再生为碱金属化合物，以及再循环该再生的化合物。在上述碱金属催化剂再生系统内部，该工艺包括：用水淬火焦化颗粒流以此冷却和破碎该颗粒，从破碎的固体中溶解可溶性碱金属催化剂组分以形成第一碱金属催化剂溶液和洗涤的固体，可选的使该洗涤的固体在碱性溶液中反应以形成第二碱金属催化剂溶液，提高所述第一和可选的第二碱溶液的品位以把该碱金属催化剂组分再生为所述的碱金属化合物。

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

본 발명은 탄소재의 접촉 기화로부터 유래한 숯으로부터 알칼리 금속을 추출 및 회수하는 방법을 기재하고 있다. 다른 단계들보다도, 특히 본 발명의 방법은 불용성 알칼리 금속 화합물을 포함하는 불용성 입자의 슬러리를 이산화탄소 및 스팀으로 높은 온도 및 압력하에 처리하여 불용성 알칼리 금속 화합물을 가용성 알칼리 금속 화합물로 전환시키는 수열 침출 단계를 포함한다. 또한, 본 발명은 접촉 기화 방법으로부터 유래한 숯으로부터 대부분의 알칼리 금속을 추출 및 회수하는 탄소재의 접촉 기화 방법을 기재하고 있다.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes for extracting and recycling alkali metal compounds present in the char produced from the catalytic gasification of carbonaceous materials are provided involving at least contacting the char with and alkali metal hydroxide followed by carbon dioxide. Both the alkali metal hydroxide and carbon dioxide treatments serve to convert at least a portion of the insoluble alkali metal compounds in the char into soluble species which can be recovered and recycled.

Process for gasification of wastes in a circulating fluidized bed

Gasification of waste materials in circulating fluidised bed Gasification of waste materials contg. combustible components is affected by fluidising the materials with a gas contg. 20-90 vol.% O2 in a circulating fluidised bed at 800-1100 deg.C A gas-solid mixt. is passed from the upper part of the gasification reactor to a separator to produce (a) a dust-contg. gas stream contg. up to 0.5 vol.% O2 and (b) a solids stream which is at least partly recycled to the gasification reactor. The gas stream is passed to a partial oxidn. reactor where it is reacted with a gas contg. 70-100 vol.% O2 at 1200-1600 deg.C to produce (a) liq. slag, which is discharged from the reactor, and (b) a product gas, which is cooled to 300 deg.C or less at a rate of at least 100 deg.C/sec.

МИКРОВОЛНОВОЙ ПЛАЗМЕННЫЙ ГАЗИФИКАТОР С ВНЕШНИМ НАГРЕВОМ И СПОСОБ ПОЛУЧЕНИЯ СИНТЕЗ-ГАЗА

... 1. Микроволновой плазменный газификатор с внешним нагревом, содержащий вертикально расположенный корпус печи, питающее устройство, расположенное в средней части корпуса печи и сообщающееся с корпусом печи, один или два слоя микроволновых генераторов плазмы, внешний нагреватель, выполненный с возможностью подачи внешней термической энергии для газификатора, и блок мониторинга, причем корпус печи содержит верхнюю форсунку для распыления пара, нижнюю форсунку для распыления СО/пара, выпуск для синтез-газа, расположенный в верхней части корпуса печи; причем верхняя форсунка для распыления пара расположена в свободной зоне корпуса печи, а нижняя форсунка для распыления СО/пара находится в зоне слоя корпуса печи; блок мониторинга расположен возле выпуска для синтез-газа; один или два слоя микроволновых генераторов плазмы находятся выше верхней форсунки в свободной зоне газификатора; каждый слой микроволновых генераторов плазмы содержит три или четыре впуска для рабочего газа, и поток плазмы распыляется ...

Vergasungssystem für Klärschlamm

Gegenstand der Erfindung ist ein System für die Vergasung von Klärschlamm oder andere kohlenstoffhaltige Reststoffe Das Klärschlammvergasungssystem ist dadurch gekennzeichnet, dass durch einen Vorvergaser der Brennstoff entgast und verkohlt wird und in einem nachgeschalteten Reaktor ein brennbares Synthesegas erzeugt wird. Der Reaktor ist dadurch gekennzeichnet, dass im Reaktor eine Gleichstromvergasung von unten nach oben stattfindet und durch hohe Temperaturen die Asche verschlackt wird um die Reststoffe zu binden. Die entstehende Asche ist hervorragend geeignet, um die enthaltenen Wertstoffe zu nutzen und zu recyceln.

VERFAHREN ZUM BETREIBEN EINER ANLAGE ZUR ENERGIEGEWINNUNG

Operating a plant for producing energy, comprises converting the carbonaceous mass, preferably biomass in at least one single-stage gasification process with the production of thermal energy into a combustible gas, where coke is formed as an intermediate product, and the combustible gas is partially converted into electrical energy. A part of the coke is converted into gas to produce energy and the other part of the coke is removed from the process and temporarily stored. Independent claims are also included for: (1) reducing annually accruing exhaust emissions during the process of energy production from carbonaceous mass, preferably biomass, where an energy-processed intermediate product is formed which is utilized for the production of thermal and electrical energy. The necessary part of the energetically processed intermediate product is used during periods of lower heat consumption for the generation of electrical energy such that the remaining part of the energetically processed intermediate ...

Method and apparatus for treating wastes by gasification

A method and apparatus for treating wastes by two-stage gasification recovers metals or ash content in the wastes in such a state that they can be recycled, and gases containing carbon monoxide (CO) and hydrogen gas (H2) for use as synthesis gas for ammonia (NH3) or production of hydrogen gas. The wastes are gasified in a fluidized-bed reactor at a low temperature. Then, gaseous material and char produced in the fluidized-bed reactor are introduced into a high-temperature combustor, and gasified at a high temperature and ash content is converted into molten slag. After water scrubbing and a CO conversion reaction, the gas is separated into H2 and residual gas. The residual gas is then supplied to the fluidized-bed reactor as a fluidizing gas.

METHOD AND APPARATUS TO REACTIVATE CARBON SOLIDS

A method of operating a gasification facility includes injecting a carbonaceous material into a gasification reactor. The method also includes converting at least a portion of the carbonaceous material into a solid waste byproduct that includes residual carbon. The method further includes reactivating at least a portion of the residual carbon. The method also includes injecting at least a portion of the reactivated carbon into the gasification reactor.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

METHOD OF MANURE SLURRY TREATMENT

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

Catalytic gasification process with recovery of alkali metal from char

Method and apparatus for particle recycling in multiphase chemical reactors

Method and apparatus for recycling fine ash particles for a multiphase chemical reactor (MCR), wherein coal is partially oxidized in the MCR to produce an exit gas stream in which fine ash particles are entrained, and wherein the MCR comprises a high temperature region with a temperature at or above a fusion temperature of the fine ash particles, wherein substantially all of the fine ash particles from the exit gas stream are returned to the high temperature region, to achieve improved carbon conversion and reduction in fly ash quantity.

CATALYTIC STEAM GASIFICATION PROCESS WITH RECOVERY AND RECYCLE OF ALKALI METAL COMPOUNDS

A high efficiency gasification process for converting carbonaceous solids to methane and apparatus for its practice are described. The process includes reacting steam and carbonaceous solids comprising ash in the presence of alkali metal catalyst in a gasification reactor to produce combustible gases and char particles comprising ash and alkali metal catalyst constituents, treating a stream of such char particles in an alkali metal catalyst recovery system to recover the catalyst constituents as alkali metal compounds, and recycling such recovered compounds. Within the alkali metal catalyst recovery system the process includes quenching the stream of char particles with water whereby such particles are cooled and fractured, dissolving soluble alkali metal catalyst constituents from the fractured solids to form a first alkali metal catalyst solution and washed solids, optionally reacting the washed solids in alkaline solution to form a second alkali metal catalyst solution, upgrading said first and optional second alkali solution to recover the alkali metal catalyst constituents as said alkali metal compounds.

EXTERNALLY HEATED MICROWAVE PLASMA GASIFIER AND SYNTHESIS GAS PRODUCTION METHOD

The present invention relates to an externally heated microwave plasma gasifier and a synthesis gas production method, comprising mainly a vertically arranged cylindrical gasifier main body, a feeder apparatus in communication with the main body and arranged at the middle-section of the gasifier main body, an upper-layer steam nozzle arranged at a clearance area, a lower-level carbon dioxide/steam nozzle arranged at a bed-layer area, a synthesis gas outlet at the top part of the gasifier main body, a monitoring unit arranged on the outlet, and a microwave plasma generator arranged in the clearance area and on the upper end of the upper-layer steam nozzle; also provided is an external heating apparatus utilizing an external heat source for heating the gasifier main body, where the external heating apparatus is arranged integrally with the gasifier main body or arranged separately from the gasifier main body. Because the external heat source is used to supply heat, the amount of biomass chemical ...

METHODS AND SYSTEMS FOR TREATING A GASIFICATION SLAG PRODUCT

The current invention discloses a novel process and system to improve the quality of the slag product from a gasification process, thereby producing low-carbon marketable aggregate product. The inventive processes and systems employ a hindered-bed settler in conjunction with optional disengager and de-watering devices. A slag slurry stream from a gasification process is de-watered and the solids content is increased from less than 5% to greater than 30% via the de-waterer before being conveyed to a hindered-bed settler, wherein the carbon content is reduced from as much as 70% to less than 5%. Particles with a high carbon content are conveyed to a gravity settler, whereby they are concentrated and then recycled to the gasification reactor.

METHOD AND APPARATUS FOR OPERATING AN ASSEMBLY FOR ENERGY GENERATION

Verfahren zum Vergasen von Abfallstoffen in der zirkulierenden Wirbelschicht

Carbonaceous substance reaction system and method

A carbonaceous substance powder gasification system and gasification method. The system comprises a carbonaceous substance reaction apparatus and a gas return apparatus used for raising the pressure of some of a raw syngas cooled and preliminarily purified downstream of the reaction apparatus, then blending with high-temperature raw syngas upstream of the reaction apparatus and reducing the temperature. The method comprises reacting in a gasification reaction apparatus the carbonaceous substance and a gasification agent to generate raw syngas and ash and slag, some of the high-temperature raw syngas moving downstream with fly ash and liquid slag, and some of the high-temperature syngas moving upstream with fly ash; the downstream part of the high-temperature raw syngas being cooled, preliminarily purified and deslagged, then pressurized, and the wet raw syngas being injected into the system and blended with the upstream high-temperature raw syngas; the remainder of the high-temperature ...

Technology for gasifying gasification furnace ash by aid of drying melting furnaces

Method and apparatus used for recovering and utilizing particles in heterogeneous chemical reactor

폐기물의 처리 방법 및 폐기물 처리 장치

본 발명은 폐기물의 가스화 처리를 효율 좋게 할 수 있는 동시에, 유해 물질이 되는 다이옥신 및 염소 가스 등이 환경으로 배출되는 것을 방지할 수 있는 폐기물의 처리 방법 및 폐기물 처리 장치를 제공한다. 또 폐기물을 열에너지로 변환하여 전기 에너지로서 유효하게 활용하는 동시에, 2차 폐기물의 양을 대폭적으로 삭감할 수 있는 폐기물의 처리 방법 및 폐기물 처리 장치를 제공한다. 본 발명의 폐기물의 처리 방법은 유기물을 포함하는 폐기물(a)을 공기를 차단한 상태에서 건류하여 열분해 가스(b)와 건류 잔류물(c)로 분리하는 열분해 공정과, 열분해 가스(b)를 열분해함으로써 저분자의 탄화수소를 함유하는 개질 가스(e)를 얻는 가스 개질 공정과, 건류 잔류물(c)을 냉각하여 고형화하는 잔류물 냉각 공정과, 이 고형화한 건류 잔류물을 분쇄 및 선별하여 열분해 차콜(g)을 얻는 기계적 처리 공정과, 이 열분해 차콜(g)을 도입하여 고온 연소를 하여 무기질 성분을 용융시키는 동시에 저분자의 탄화수소를 함유하는 가스화 가스(i)를 얻는 용융 가스화 공정을 갖는 것을 특징으로 한다.

Methods and systems of reducing viscosity of gasification system slag

Methods and systems for gasifier fines recycling system are provided. The system includes a gasifier slag removal system configured to separate first fines from a particulate slag removed from a gasifier by at least one of settling and filtering, a second fines handling system configured to receive second fines from a source other than the gasifier, and an injection system configured to mix the first fines and the second fines and a fuel for injection into the gasifier.

Method and apparatus for recovering energy from wastes

A method and apparatus for recovering energy from wastes is used for recovering energy by gasifying wastes such as municipal waste. The method comprises gasifying wastes in a fluidized-bed gasification furnace at a relatively low temperature; introducing gaseous material and char produced in the fluidized-bed gasification furnace into a melting furnace; gasifying the gaseous material and char in the melting furnace at a relatively high temperature; introducing gas produced in the melting furnace into a heat exchanging unit; and delivering heat recovered in the heat exchanging unit to a heat cycle to generate electric energy.

Method for treating wastes by gasification

A method and apparatus for treating wastes by two-stage gasification recovers metals or ash content in the wastes in such a state that they can be recycled, and gases containing carbon monoxide (CO) and hydrogen gas (H2) for use as synthesis gas for ammonia (NH3) or production of hydrogen gas. The wastes are gasified in a fluidized-bed reactor at a low temperature. Then, gaseous material and char produced in the fluidized-bed reactor are introduced into a high-temperature combustor, and gasified at a high temperature and ash content is converted into molten slag. After water scrubbing and a CO conversion reaction, the gas is separated into H2 and residual gas. The residual gas is then supplied to the fluidized-bed reactor as a fluidizing gas.

Municipal solid waste disposal process

PLANT FOR CONVERTING SOLID WASTE INTO FUEL GAS

The invention relates to a plant for converting solid waste, specifically biomass, into fuel gas, using a fluidised bed reactor, in which the material used therein has been improved. The plant includes: a compensated vacuum/pressure system which controls the pressure throughout the circuit through which the gas flows; an air conditioning system intended to cool the air that leaves the reactor at an extremely high temperature; and a system for the dry filtration of the gas obtained, including a bag filter, a filter cleaning device, an ash extraction device and a thermal ash cleaner.

Dust returning method for fluidized bed, and fluidized bed gasifier based on same

本发明涉及到一种流化床的返粉方法及采用该方法的流化床气化炉，其中方法包括如下具体步骤：a、对流化床气化炉生成的带飞灰煤气进行至少一次气固分离以收集飞灰；b、将飞灰收集后与原煤混合再一并送入气化炉内进行燃烧和气化；流化床气化炉包括筒体，筒体顶部开设有出气口，底部开设有排渣口，侧壁上设置有进煤管，出气口与一级旋风分离器进料口A连通，一级旋风分离器的出气口A与余热锅炉进料口B连通，余热锅炉出料口与二级旋风分离器进料口C连通，二级旋风分离器出气口B与布袋除尘器进料口D连通，一级旋风分离器排灰口A与筒体内部连通，二级旋风分离器排灰口B和布袋除尘器的排灰口C分别连通到返粉管道，返粉管道与进煤管连通。

PRODUCTION OF SYNTHESIS GAS

Disclosed are gasification processes for the production of mixtures of carbon monoxide and hydrogen, by the partial oxidation (21) of a carbonaceous feedstock material (11) wherein carbon values contained in a solid slag effluent (27) from the partial oxidation reactor (21) are recovered (40, 50, 60) and recycled (13) to the gasification reactor (21).

EXTERNALLY HEATED MICROWAVE PLASMA GASIFIER AND SYNTHESIS GAS PRODUCTION METHOD

The present invention relates to an externally heated microwave plasma gasifier and a synthesis gas production method, comprising mainly a vertically arranged cylindrical gasifier main body, a feeder apparatus in communication with the main body and arranged at the middle-section of the gasifier main body, an upper-layer steam nozzle arranged at a clearance area, a lower-level carbon dioxide/steam nozzle arranged at a bed-layer area, a synthesis gas outlet at the top part of the gasifier main body, a monitoring unit arranged on the outlet, and a microwave plasma generator arranged in the clearance area and on the upper end of the upper-layer steam nozzle; also provided is an external heating apparatus utilizing an external heat source for heating the gasifier main body, where the external heating apparatus is arranged integrally with the gasifier main body or arranged separately from the gasifier main body. Because the external heat source is used to supply heat, the amount of biomass chemical ...

VERFAHREN ZUR ENTSORGUNG VON STADTMÜLL

VERFAHREN ZUR GÜLLEBEHANDLUNG

Verfahren zum Vergasen von Abfallstoffen in der zirkulierenden Wirbelschicht

Externally heated microwave plasma gasifier and synthesis gas production method

The present invention relates to an externally heated microwave plasma gasifier and a synthesis gas production method, comprising mainly a vertically arranged cylindrical gasifier main body, a feeder apparatus in communication with the main body and arranged at the middle-section of the gasifier main body, an upper-layer steam nozzle arranged at a clearance area, a lower-level carbon dioxide/steam nozzle arranged at a bed-layer area, a synthesis gas outlet at the top part of the gasifier main body, a monitoring unit arranged on the outlet, and a microwave plasma generator arranged in the clearance area and on the upper end of the upper-layer steam nozzle; also provided is an external heating apparatus utilizing an external heat source for heating the gasifier main body, where the external heating apparatus is arranged integrally with the gasifier main body or arranged separately from the gasifier main body. Because the external heat source is used to supply heat, the amount of biomass chemical ...

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Activation of Waste Metal Oxide as an Oxygen Carrier for Chemical Looping Combustion Applications

A process for producing black powder oxygen carriers for use in a chemical looping combustion unit includes the steps of: (a) removing and collecting the black powder waste material that was formed in a gas pipeline; (b) pre-treating the collected black powder to adjust its spherical shape to avoid attrition and fines production; and (c) activating the black powder to increase its reactivity rate and produce the black powder oxygen carrier that is suitable for use in the chemical looping combustion process as an oxygen carrier. Fig 1 ...

PLANT FOR CONVERTING SOLID WASTE INTO FUEL GAS

The invention relates to a plant for converting solid waste, specifically biomass, into fuel gas, using a fluidised bed reactor, in which the material used therein has been improved. The plant includes: a compensated vacuum/pressure system which controls the pressure throughout the circuit through which the gas flows; an air conditioning system intended to cool the air that leaves the reactor at an extremely high temperature; and a system for the dry filtration of the gas obtained, including a bag filter, a filter cleaning device, an ash extraction device and a thermal ash cleaner.

HYDROCARBON GASIFICATION OF SOLD WASTE MATERIALS

An apparatus and method suitable for the treatment of solid materials, and, particularly, waste is disclosed. The apparatus includes a reaction vessel including a reaction chamber; a system for introducing solid materials into the reaction chamber; a steam producing system for supplying steam to the reaction chamber to react with the solid materials; a grate disposed in the reaction chamber having openings of an effective size to pass ash and steam; and an ash extraction system disposed below the grate for extracting ash. The extracted ash may be fed into the reaction chamber along with selected metallic oxides and lime. The apparatus may further include peripheral systems for treating the ash and gaseous by-products.

PROCESS AND APPARATUS FOR PRODUCING SYNTHESIS GAS THROUGH THERMOCHEMICAL CONVERSION OF BIOMASS AND WASTE MATERIALS

The present invention provides a process and apparatus for converting feedstock comprising biomass and/or carbon-containing solid waste material to synthesis gas. The process comprises supplying the feedstock to a gasifier comprising a fluidized bed zone and a post-gasification zone and contacting the feedstock with a gasification agent at a plurality of different operating temperatures based on the ash softening temperature of the feedstock and finally recovering the synthesis gas. The apparatus is configured to perform the process and comprises a plurality of nozzles arranged at an acute angle relative to a horizontal plane of the gasifier.

Verfahren und Vorrichtung zur Behandlung von Abfällen mittels Vergasung

Method and apparatus for particle recycling in multiphase chemical reactors

Method and apparatus for recycling fine ash particles for a multiphase chemical reactor (MCR), wherein coal is partially oxidized in the MCR to produce an exit gas stream in which fine ash particles are entrained, and wherein the MCR comprises a high temperature region with a temperature at or above a fusion temperature of the fine ash particles, wherein substantially all of the fine ash particles from the exit gas stream are returned to the high temperature region, to achieve improved carbon conversion and reduction in fly ash quantity.

CATALYTIC STEAM GASIFICATION PROCESS WITH RECOVERY AND RECYCLE OF ALKALI METAL COMPOUNDS

A high efficiency gasification process for converting carbonaceous solids to methane and apparatus for its practice are described. The process includes reacting steam and carbonaceous solids comprising ash in the presence of alkali metal catalyst in a gasification reactor to produce combustible gases and char particles comprising ash and alkali metal catalyst constituents, treating a stream of such char particles in an alkali metal catalyst recovery system to recover the catalyst constituents as alkali metal compounds, and recycling such recovered compounds. Within the alkali metal catalyst recovery system the process includes quenching the stream of char particles with water whereby such particles are cooled and fractured, dissolving soluble alkali metal catalyst constituents from the fractured solids to form a first alkali metal catalyst solution and washed solids, optionally reacting the washed solids in alkaline solution to form a second alkali metal catalyst solution, upgrading said first and optional second alkali solution to recover the alkali metal catalyst constituents as said alkali metal compounds.

TEILOXIDATIONSVERFAHREN MIT RÜCKGEWINNUNG VON RUSSFILTERMASSEN

Externally heated microwave plasma gasifier and synthesis gas production method

The present invention relates to an externally heated microwave plasma gasifier and a synthesis gas production method, comprising mainly a vertically arranged cylindrical gasifier main body, a feeder apparatus in communication with the main body and arranged at the middle-section of the gasifier main body, an upper-layer steam nozzle arranged at a clearance area, a lower-level carbon dioxide/steam nozzle arranged at a bed-layer area, a synthesis gas outlet at the top part of the gasifier main body, a monitoring unit arranged on the outlet, and a microwave plasma generator arranged in the clearance area and on the upper end of the upper-layer steam nozzle; also provided is an external heating apparatus utilizing an external heat source for heating the gasifier main body, where the external heating apparatus is arranged integrally with the gasifier main body or arranged separately from the gasifier main body. Because the external heat source is used to supply heat, the amount of biomass chemical ...

Municipal solid waste disposal process

A plasma arc torch is used as an independent heat source in an enclosed reactor vessel to gasify municipal solid waste and produce a medium quality gas and an inert monolithic slag having substantially lower toxic element leachability. The gas has lower levels of metals and semi-volatile organic compounds, particularly dioxins and furans. Other materials may also be gasified, for example, coal, wood and peat.

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes for extracting and recycling alkali metal compounds present in the char produced from the catalytic gasification of carbonaceous materials are provided involving at least contacting the char with and alkali metal hydroxide followed by carbon dioxide. Both the alkali metal hydroxide and carbon dioxide treatments serve to convert at least a portion of the insoluble alkali metal compounds in the char into soluble species which can be recovered and recycled.

CATALYTIC STEAM GASIFICATION PROCESS WITH RECOVERY AND RECYCLE OF ALKALI METAL COMPOUNDS

A high efficiency gasification process for converting carbonaceous solids to methane and apparatus for its practice are described. The process includes reacting steam and carbonaceous solids comprising ash in the presence of alkali metal catalyst in a gasification reactor to produce combustible gases and char particles comprising ash and alkali metal catalyst constituents, treating a stream of such char particles in an alkali metal catalyst recovery system to recover the catalyst constituents as alkali metal compounds, and recycling such recovered compounds. Within the alkali metal catalyst recovery system the process includes quenching the stream of char particles with water whereby such particles are cooled and fractured, dissolving soluble alkali metal catalyst constituents from the fractured solids to form a first alkali metal catalyst solution and washed solids, optionally reacting the washed solids in alkaline solution to form a second alkali metal catalyst solution, upgrading said first and optional second alkali solution to recover the alkali metal catalyst constituents as said alkali metal compounds.

METHOD OF RECOVERING ENERGY FROM WASTE

PROBLEM TO BE SOLVED: To effectively recover energy from waste by gasifying the waste at a low temp. with a fluidized bed gasifying furnace, introducing the obtained gaseous material and char to a melting furnace to gasify at high temp. and introducing the formed gas to a heat exchanging part to generate electricity by recovering heat. SOLUTION: The waste (a) such as city waste is supplied to the fluidized bed gasifying furnace 1, and the waste (a) is gasified by a pyrolytically decomposition by allowing the waste (a) to contact with a fed gas consisting of oxygen and steam at the flucized bed 3, and the obtained gas, tar, char, H2O, etc., are supplied together to a combustion chamber 6 of a pivoted melting furnace 5 and subjected to a high speed oxidation at high temp. An ash contact incorporated in the char is allowed to enter into a slug separating chamber 7 and discharged from a furnace bottom as a slug. And a steam generator 10 constituting the heat exchanging part is disposed in the ...

Catalytic gasification process with recovery of alkali metal from char

描述了用于从由碳质材料的催化气化得到的焦炭中提取和回收碱金属的方法。在其他步骤中，本发明的方法包括水热沥滤步骤，其中用二氧化碳和蒸汽在升高的温度和压力下处理包括不可溶碱金属化合物的不可溶颗粒的浆液以实现将不可溶碱金属化合物转化为可溶碱金属化合物。此外，还描述了用于碳质材料的催化气化的方法，其中从由该催化气化方法得到的焦炭中提取和回收显著部分的碱金属。

화학적 순환식 연소 적용을 위한 산소 운반체로서의 폐 금속 산화물의 활성화

... 화학적 순환식 연소 유닛에서 사용하기 위한 흑색 분말 산소 운반체의 제조 방법은, (a) 기체 파이프라인 내에서 형성된 흑색 분말 폐물질을 제거하고 수집하는 단계; (b) 흑색 분말의 구형 형상을 조절하여 마모 및 미립자 생성을 회피하기 위해, 수집된 흑색 분말을 전처리하는 단계; 및 (c) 흑색 분말의 반응성 비율을 증가시키고 화학적 순환식 연소 방법에서 산소 운반체로서 사용하기에 적합한 흑색 분말 산소 운반체를 제조하기 위해, 흑색 분말을 활성화시키는 단계를 포함한다.

METHOD OF MANURE SLURRY TREATMENT

A method of treating manure wherein the manure is subjected to separation in a fibre fraction and a manure water fraction; said fibre fraction is dried and subjected to gasification; said manure water fraction is subjected to concentration and the produced gasses from said gasification and said concentration are collected and optionally combusted; optionally the manure water fraction is subjected to thermal degradation.

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

描述了用于把碳质固体转化成甲烷的高效率气化工艺以及用于该操作的装置。该工艺包括：在碱金属催化剂存在下使蒸汽和包含灰分的碳质固体在气化反应器中反应制备可燃气体和包含灰分与碱金属催化剂组分的焦化颗粒，在碱金属催化剂再生系统中处理该焦化颗粒流以把上述催化剂组分再生为碱金属化合物，以及再循环该再生的化合物。在上述碱金属催化剂再生系统内部，该工艺包括：用水淬火焦化颗粒流以此冷却和破碎该颗粒，从破碎的固体中溶解可溶性碱金属催化剂组分以形成第一碱金属催化剂溶液和洗涤的固体，可选的使该洗涤的固体在碱性溶液中反应以形成第二碱金属催化剂溶液，提高所述第一和可选的第二碱溶液的品位以把该碱金属催化剂组分再生为所述的碱金属化合物。

탄소질 물질의 가스화 시스템 및 방법

... 탄소질 물질 분말 가스화 시스템 및 가스화 방법에 관한 것으로서, 상기 시스템은 탄소질 물질 반응 장치 및 상기 반응 장치로부터 하향 유동하고, 냉각되고, 예비 정화되고, 이어서 가압되는 일부 조 합성 가스를 상기 반응 장치로부터 상향 유동하는 고온 조 합성 가스와 혼합하고 온도를 낮추기 위해 사용되는, 가스 회수 장치를 포함한다. 상기 방법은 상기 탄소질 물질 및 가스화제가 가스화 반응부에서 반응하고, 조 합성 가스 및 애쉬 및 슬래그를 생성하고, 고온 조 합성 가스의 한 부분이 비산 애쉬 및 유체 슬래그와 함께 하강하고, 고온 조 합성 가스의 한 부분이 비산 애쉬와 함께 상승하는 단계; 고온 조 합성 가스의 하강 부분은 냉각되고, 예비 정화되고, 슬래그를 제거하고 (deslagged), 이후에 가압된 다습한 조 합성 가스가 시스템 내로 도입되고, 상승의 고온 조 합성 가스와 혼합되는 단계; 고온 합성 가스의 나머지가 비산 애쉬와 함께 상승하고, 상기 일차 냉각 장치에 의해서 뿌려지는, 저온 다습한 합성 가스와 혼합되어 냉각되서 임의로 냉각 반응부 내로 도입되는 단계; 냉각된 또는 냉각-반응된 조 합성 가스가 계속해서 상승하고, 상부 냉각부 내로 통과하여 다시 냉각되고, 애쉬를 제거하여, 조 합성 가스를 수득하는 단계;를 포함한다.

SOOT FILTER CAKE DISPOSAL

L'invention concerne un procédé de récupération de carbone élémentaire ou de suie au cours de la réaction d'oxydation partielle d'un carburant hydrocarboné avec de l'oxygène. On produit un effluent de gaz de synthèse brut avec la suie entraînée au cours de la réaction d'oxydation partielle. On charge un gâteau de filtration (2) dans une trémie de réception (10), puis dans une trémie à sas (14) dans laquelle le gâteau de filtration humide est pressurisé. On charge le mélange huile/gâteau de filtration humide provenant de la trémie à sas (14), par l'intermédiaire d'une conduite (38), dans un récipient d'éjection (44), duquel l'huile et la vapeur d'eau s'échappent (50) vers un gazéificateur. Un mélange alimentation en huile/carbone particulaire s'échappe de la trémie à sas (14), à travers des conduites (66), puis (70) s'écoule dans une cuve de stockage (26) alimentée en huile (24); il en sort un mélange d'huile et de matières solides (76) exempt d'eau qui se dirige dans une zone de réaction ...

Method and system for reprocessing high carbon coal fly ash to produce cementitious materials

A method is provided of thermally processing carbonaceous ash and ancillary carbonaceous material to produce a carbon-free inert, pozzolanic, or cementitious material and synthesis gas. The carbonaceous ash and ancillary fuels are fed into a thermal reactor along with oxides provided in the ash or in additives including limestone or glass. Carbon in the ancillary fuel and coal fly ash is converted to synthesis gas that is combusted to generate process steam and electricity. Remaining ash exits the thermal reactor chamber for processing at high temperature in a kiln gasifier to react the remaining fixed carbon and produce carbon-free partially-fused nodules or clinker that are cooled and ground to a desired fineness for cementitious or aggregate material in concrete. Carbonaceous ash, especially high carbon coal fly ash and other carbonaceous waste, are converted to energy and non-toxic, carbon-free aggregate or cementitious material used as architectural fill or in concrete mixes.

Verfahren zur thermischen Verwertung von Abfallstoffen

Gasification system and method

METHOD AND APPARATUS FOR PARTICLE RECYCLING IN MULTIPHASE CHEMICAL REACTORS

Method and apparatus for recycling fine ash particles for a multiphase chemical reactor (MCR), wherein coal is partially oxidized in the MCR to produce an exit gas stream in which fine ash particles are entrained, and wherein the MCR comprises a high temperature region with a temperature at or above a fusion temperature of the fine ash particles, wherein substantially all of the fine ash particles from the exit gas stream are returned to the high temperature region, to achieve improved carbon conversion and reduction in fly ash quantity.

Activation of Waste Metal Oxide as an Oxygen Carrier for Chemical Looping Combustion Applications

A process for producing black powder oxygen carriers for use in a chemical looping combustion unit includes the steps of: (a) removing and collecting the black powder waste material that was formed in a gas pipeline; (b) pre-treating the collected black powder to adjust its spherical shape to avoid attrition and fines production; and (c) activating the black powder to increase its reactivity rate and produce the black powder oxygen carrier that is suitable for use in the chemical looping combustion process as an oxygen carrier. 1. A process for producing an oxygen carrier that is suitable for use in a chemical looping combustion unit , comprising the steps of;removing and collecting black powder that is formed within a gas pipeline;pre-treating the collected black powder; andactivating the collected black powder to increase the reactivity of the black powder to form a black powder oxygen carrier for use in the chemical looping combustion unit.2. The process of claim 1 , wherein the black powder comprises iron hydroxides claim 1 , iron oxides claim 1 , and iron carbonates.3. The process of claim 1 , wherein the black powder is removed from a natural gas pipeline and collected using at least one of a separator and cyclone device such that gas laden with black powder passes through the separator or cyclone claim 1 , and black powder particles are knocked out of the gas stream to walls of the separator or cyclone claim 1 , where they fall and are collected internally within the separator or cyclone in a collection media.4. The process of claim 1 , wherein the collected black powder is pre-treated via a synthesis method.5. The process of claim 4 , wherein the synthesis method consists one of a spray drying process and a freeze granulation process.6. The process of claim 4 , wherein the synthesis method comprises the steps of:forming a powder mixture that comprises about 60.1% black powder and about 39.9% manganese ore; homogenizing the aqueous suspension;', 'spray drying ...

Method for operating an assembly for energy generation

Bei einem Verfahren zum Betreiben einer Anlage zur Energiegewinnung, bei dem kohlenstoffhaltige Masse, insbesondere Biomasse, in einem wenigstens einstufigen Vergasungsprozess unter Erzeugung von thermischer Energie in ein brennbares Gas überführt wird, wobei als Zwischenprodukt Koks entsteht, und bei dem das brennbare Gas in elektrische Energie umgewandelt wird, wird nur ein Teil des Koks zur Energiegewinnung in Gas überführt und der andere Teil des Koks dem Prozess entnommen und zwischengelagert. Bei einem Verfahren zur Verringerung von jährlich anfallender Abgasemission bei der Energiegewinnung aus kohlenstoffhaltiger Masse, insbesondere Biomasse, entsteht ein energetisch aufbereitetes Zwischenprodukt, welches zur Gewinnung thermischer und elektrischer Energie weiter verwertet wird. Während Zeiträumen geringeren Wärmeverbrauchs wird der für die Erzeugung von elektrischer Energie notwendige Teil des energetisch aufbereiteten Zwischenproduktes weiter verwertet und der restliche Teil des ...

PYROLYSIS SYSTEM AND METHOD FOR REDUCING WASTE

A system and method are set for pyrolysis of waste feed material including a first retort segment disposed through a combustion chamber and a second retort segment disposed outside of the combustion chamber (12). The combustion chamber supplies the heat for pyrolysis to the material conveyed through the first retort segment, which pyrolysis is completed as it is conveyed through the second retort segment. A thermal oxidizer (14) oxidizes off gases and a stack unit (16) provides a draft to move the gases from pyrolysis from the retort segments and through the thermal oxidizer.

Method and apparatus for treating wastes by gasification

A method and apparatus for treating wastes by gasification recovers useful resources including energy, valuables such as metals, and gases for use as synthesis gas for chemical industry or fuel. The wastes are gasified in a fluidized-bed reactor at a relatively low temperature, gaseous material and char produced in the fluidized-bed reactor are introduced into a high-temperature combustor, and low calorific gas or medium calorific gas is produced in the high-temperature combustor at a relatively high temperature. The fluidized-bed reactor comprises a revolving flow-type fluidized-bed reactor. The high-temperature combustor comprises a swirling-type high-temperature combustor.

Vergasungsvorrichtung für Kohlepulver mit mehrstufiger Zuführung von Vergasungsmittel und starker Verwirbelung sowie entsprechendes Vergasungsverfahren

Vergasungsvorrichtung für Kohlepulver mit mehrstufiger Zuführung eines Vergasungsmittels, umfassend:• einen Kohlenstaubbrenner (1), einen Vergasungsofenkörper (2), eine Wasserkühlungswand (4), einen Synthesegaskanal (5),• wobei der Vergasungsofenkörper (2) mindestens eine Vergasungsmitteldüse (7) mit einer Vergasungsmittelausstoßöffnung aufweist,• wobei die Wasserkühlungswand (4) auf einer inneren lateralen Seitenwand des Vergasungsofenkörpers (2) positioniert ist,• wobei die Wasserkühlungswand aus einer Mehrzahl von vertikalen Rundrohren zusammengesetzt ist, und eine durch die Wasserkühlungswand (4) eingeschlossene Kammer, in der die Medien rotieren, im Ofenkörperinneren als Vergasungsofenkammer (3) ausgebildet ist,• wobei der Kohlenstaubbrenner (1) am Oberteil des Vergasungsofenkörpers (2) derart positioniert ist, dass eine Achsenlinie des Kohlenstaubbrenner (1) mit einer Achsenlinie der Vergasungsofenkammer (3) übereinstimmt, wobei ein Unterteil des Vergasungsofenkörpers (2) als Schlackenbad ...

Carbonaceous substance reaction system and method

A carbonaceous substance powder gasification system and gasification method. The system comprises a carbonaceous substance reaction apparatus and a gas return apparatus used for raising the pressure of some of a raw syngas cooled and preliminarily purified downstream of the reaction apparatus, then blending with high-temperature raw syngas upstream of the reaction apparatus and reducing the temperature. The method comprises reacting in a gasification reaction apparatus the carbonaceous substance and a gasification agent to generate raw syngas and ash and slag, some of the high-temperature raw syngas moving downstream with fly ash and liquid slag, and some of the high-temperature syngas moving upstream with fly ash; the downstream part of the high-temperature raw syngas being cooled, preliminarily purified and deslagged, then pressurized, and the wet raw syngas being injected into the system and blended with the upstream high-temperature raw syngas; the remainder of the high-temperature ...

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Method for reducing the carbon footprint of a conversion process

A method is described for reducing the carbon footprint of any commercially important industrial conversion process. The output of this conversion process can be combustible fuels, chemicals, electricity or heat energy. In its broadest form, a carbon negative module outputs energy to a conversion energy and this energy replaces conventional fossil-fuel based energy. A sequesterable carbonaceous solid is produced by the carbon negative process which represents a net carbon withdrawal from the atmosphere.

METHODS AND SYSTEMS FOR TREATING A GASIFICATION SLAG PRODUCT

microwave plasma gas generator heated externally and metódo syngas production

CATALYTIC GASIFICATION PROCESS WITH RECOVERY OF ALKALI METAL FROM CHAR

Processes for extracting and recycling alkali metal compounds present in the char produced from the catalytic gasification of carbonaceous materials are provided involving at least contacting the char with and alkali metal hydroxide followed by carbon dioxide. Both the alkali metal hydroxide and carbon dioxide treatments serve to convert at least a portion of the insoluble alkali metal compounds in the char into soluble species which can be recovered and recycled.

Activation of waste metal oxide as an oxygen carrier for chemical looping combustion applications

A process for producing black powder oxygen carriers for use in a chemical looping combustion unit includes the steps of: (a) removing and collecting the black powder waste material that was formed in a gas pipeline; (b) pre-treating the collected black powder to adjust its spherical shape to avoid attrition and fines production; and (c) activating the black powder to increase its reactivity rate and produce the black powder oxygen carrier that is suitable for use in the chemical looping combustion process as an oxygen carrier.

Carbonaceous substance gasification system and method

A carbonaceous substance powder gasification system and gasification method. The system comprises a carbonaceous substance reaction apparatus and a gas return apparatus used for raising the pressure of some of a raw syngas cooled and preliminarily purified downstream of the reaction apparatus, then blending with high-temperature raw syngas upstream of the reaction apparatus and reducing the temperature. The method comprises reacting in a gasification reaction apparatus the carbonaceous substance and a gasification agent to generate raw syngas and ash and slag, some of the high-temperature raw syngas moving downstream with fly ash and liquid slag, and some of the high-temperature syngas moving upstream with fly ash; the downstream part of the high-temperature raw syngas being cooled, preliminarily purified and deslagged, then pressurized, and the wet raw syngas being injected into the system and blended with the upstream high-temperature raw syngas; the remainder of the high-temperature syngas moving upstream with fly ash and blending and cooling with the low-temperature wet syngas injected by the preliminary cooler, and optionally being entered into the cooling reaction stage; the cooled or cooling-reacted raw syngas continuing upstream, passing through the upper cooling stage and cooling again and ash being removed to obtain the raw syngas.

Internally Self-Circulating Fluidized Bed Gasifier And Air Distributor Therein For Generating Stepped Constrained Wind

The present disclosure provides an internally self-circulating fluidized bed gasifier and an air distributor therein for generating a stepped constrained wind. The air distributor includes a gas-material mixture through hole and a plurality of vent holes. Each of the vent holes is designed to have a winding path. Due to the winding paths of the vent holes and an arrangement of converging outlets of the vent holes to the gas-material mixture through hole, which is in communication with a furnace chamber, the present disclosure enables a gas entering the furnace chamber to form a stepped constrained wind and effectively prevents solid-phase materials in the furnace chamber from leaking into a gas mixture chamber. The internally self-circulating fluidized bed gasifier can achieve self-circulation combustion gasification for multiple times and a well-controlled gasification temperature, resulting in a high coal gasification efficiency without an ash leakage. 1. An air distributor , comprising:an air distributor body;a gas-material mixture through hole located within the air distributor body; anda plurality of vent holes located within the air distributor body, the gas-material mixture through hole extends from a top surface of the air distributor body towards a center of the air distributor body,', 'each of the plurality of vent holes has an outlet that is in communication with a bottom portion of the gas-material mixture through hole,', 'each of the plurality of vent holes has an inlet that is located at a bottom surface of the air distributor body, and', 'each of the plurality of vent holes has a winding path extending between the inlet of the respective vent hole and the outlet of the respective vent hole., 'wherein2. The air distributor of claim 1 , wherein:the gas-material mixture through hole comprises a cylindrical hole and a hollow frustum tapering from bottom to top,an upper end of the cylindrical hole is located at the top surface of the air distributor body,a ...

GASIFICATION CO-GENERATION PROCESS OF COAL POWDER IN A Y-TYPE ENTRAINED FLOW BED

A gasification co-generation process of coal powder in a Y-type entrained flow bed, comprising: spraying coal water slurry or coal powder, gasification agent and water vapor into a gasification furnace through a top nozzle and a plurality of side nozzles for performing combustion and gasification with a residence time of 10 s or more; chilling the resulting slag with water, and subjecting the chilled slag to a dry method slagging to obtain gasification slag used as cement clinker; discharging the produced crude syngas carrying fine ash from the Y-type entrained flow bed to perform ash-slag separation. 1. A gasification co-generation process of coal powder in a Y-type entrained flow bed , comprising the following steps:(1) mixing coal with lime powder to obtain coal powder, or mixing the coal, lime powder and water to obtain coal water slurry; in the coal water slurry or coal powder, the weight ratio of calcium to aluminum is 2-4:1, the weight ratio of calcium to silicon is 1-4:1, and the weight ratio of calcium to iron is 1-3:1;(2) introducing the coal water slurry or coal powder, gasification agent and water vapor into a gasification furnace of a Y-type entrained flow bed, and performing combustion and gasification at a temperature range of 1,300-2,000° C., so as to produce a crude syngas and slag at a temperature range of 1300-2000° C.;wherein the coal water slurry or coal powder, gasification agent and water vapor are sprayed into the gasification furnace through a top nozzle and a plurality of side nozzles of the gasification furnace, and collide, ignite and turbulently mix with each other at the combustion chamber center of the gasification furnace, to form a rotational strike and high temperature reaction zone; the residence time of a residual ash generated by the combustion and gasification in the rotational strike and high temperature reaction zone is 10 s or more;the residual ash is thrown toward the furnace wall of the gasification furnace and swirled ...

Pulverized Coal Gasification Furnace with Multi-level Feeding of High Speed Circulating Gasification Agent and Gasification Method

A pulverized coal gasification furnace with multi-level feeding of high speed circulating gasification agent which includes a pulverized coal gasification furnace and a gasification method. The present invention solves the existing problems in short life of burner, uneven slag deposition on the surface of the gasification device which causes burning and corrosion, and uneven temperature distribution along the height direction. The steps are: 1. setting parameters for the gasification chamber; 2. feeding pulverized coal; 3. burning pulverized coal to form molten slag; 4. gasification process of molten slag inside the gasification furnace; 5. removing slag. In the present invention, the furnace body is divided into different levels for the gasification agent, the internal temperature of the furnace along the height direction is evenly distributed, and the furnace is applicable to the coal types which has severe change in ash viscosity in response to temperature changes. 11245424341213625253789101172733781110191011. A pulverized coal gasification furnace with multi-level feeding of high speed circulating gasification agent which a pulverized coal burner () , a gasification furnace body () , a water-cool wall () , a syngas channel () , wherein said water-cool wall () is arranged on an inner wall of said gasification furnace body () , wherein said water-cool wall () is formed by a plurality of vertical tubes , and a gasification chamber () is defined through a circulating cavity encircled by said water-cool wall () , said pulverized coal burner () is positioned on a top portion of said gasification furnace body () and defines an axis of said pulverized coal burner () which is overlapped with an axis of said gasification chamber () , wherein a slag pool () is arranged in a bottom portion of said gasification furnace body () , wherein said syngas channel () is arranged at an outer side wall in a lower portion of said gasification furnace body () in a manner that said ...

GASIFICATION SYSTEM AND METHOD

A method includes providing a gasifier with a fuel source comprising a heavy oil, a light oil, and recovered soot. The gasifier may gasify the fuel source to generate a syngas and soot. The method also includes recovering the soot in a first separation unit that may receive a portion of the heavy oil and separate the soot from an extraction oil used to recover the soot. The first separation unit generates soot bottoms that include the portion of the heavy oil and the recovered soot. The method also includes flowing a first separation co-fractionate to a second separation unit. The first separation co-fractionate includes the extraction oil and the light oil. The second separation unit may separate the extraction oil and the light oil, and direct the light oil towards the first separation unit. The method further includes mixing the soot bottoms from the first separation unit with the light oil from the second separation unit to generate the fuel source and directing the fuel source to the gasifier for gasification.

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

A high efficiency gasification process for converting carbonaceous solids to methane and apparatus for its practice are described. The process includes reacting steam and carbonaceous solids comprising ash in the presence of alkali metal catalyst in a gasification reactor to produce combustible gases and char particles comprising ash and alkali metal catalyst constituents, treating a stream of such char particles in an alkali metal catalyst recovery system to recover the catalyst constituents as alkali metal compounds, and recycling such recovered compounds. Within the alkali metal catalyst recovery system the process includes quenching the stream of char particles with water whereby such particles are cooled and fractured, dissolving soluble alkali metal catalyst constituents from the fractured solids to form a first alkali metal catalyst solution and washed solids, optionally reacting the washed solids in alkaline solution to form a second alkali metal catalyst solution, upgrading said first and optional second alkali solution to recover the alkali metal catalyst constituents as said alkali metal compounds.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes for extracting and recycling alkali metal compounds present in the char produced from the catalytic gasification of carbonaceous materials are provided involving at least contacting the char with and alkali metal hydroxide followed by carbon dioxide. Both the alkali metal hydroxide and carbon dioxide treatments serve to convert at least a portion of the insoluble alkali metal compounds in the char into soluble species which can be recovered and recycled.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic Gasification Process with Recovery of Alkali Metal from Char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Waste treatment method and waste treatment apparatus

Method and equipment for disposing wastes

본 발명은 폐기물의 가스화 처리를 효율 좋게 할 수 있는 동시에, 유해 물질이 되는 다이옥신 및 염소 가스 등이 환경으로 배출되는 것을 방지할 수 있는 폐기물의 처리 방법 및 폐기물 처리 장치를 제공한다. 또 폐기물을 열에너지로 변환하여 전기 에너지로서 유효하게 활용하는 동시에, 2차 폐기물의 양을 대폭적으로 삭감할 수 있는 폐기물의 처리 방법 및 폐기물 처리 장치를 제공한다. The present invention provides a waste treatment method and a waste treatment apparatus that can make gasification of waste efficiently and can prevent the release of dioxins, chlorine gas, etc., which are hazardous substances, into the environment. The present invention also provides a waste treatment method and a waste treatment apparatus capable of converting waste into thermal energy to effectively use it as electrical energy and at the same time significantly reducing the amount of secondary waste. 본 발명의 폐기물의 처리 방법은 유기물을 포함하는 폐기물(a)을 공기를 차단한 상태에서 건류하여 열분해 가스(b)와 건류 잔류물(c)로 분리하는 열분해 공정과, 열분해 가스(b)를 열분해함으로써 저분자의 탄화수소를 함유하는 개질 가스(e)를 얻는 가스 개질 공정과, 건류 잔류물(c)을 냉각하여 고형화하는 잔류물 냉각 공정과, 이 고형화한 건류 잔류물을 분쇄 및 선별하여 열분해 차콜(g)을 얻는 기계적 처리 공정과, 이 열분해 차콜(g)을 도입하여 고온 연소를 하여 무기질 성분을 용융시키는 동시에 저분자의 탄화수소를 함유하는 가스화 가스(i)를 얻는 용융 가스화 공정을 갖는 것을 특징으로 한다. The waste treatment method of the present invention comprises a pyrolysis step of distilling waste (a) containing organic matter into a pyrolysis gas (b) and a dry distillation residue (c) in a state in which air is blocked, and a pyrolysis gas (b). A gas reforming step of obtaining a reformed gas (e) containing a low molecular hydrocarbon by pyrolysis, a residue cooling step of cooling and solidifying the dry residue (c), and a pyrolysis char by pulverizing and selecting the solidified dry residue. a mechanical treatment step of obtaining (g) and a melt gasification step of introducing the pyrolysis char (g) to perform high temperature combustion to melt the inorganic components and to obtain a gasification gas (i) containing low molecular hydrocarbons. do.

A waste plastic gasification system removing tar and driving method thereof

본 발명은 폐플라스틱 연료를 이용하여 합성가스를 생성하는 합성가스 생성장치 및 합성가스 생성장치에서 생성된 합성가스에 섞여 있는 중금속, 타르 및 분진을 제거한 합성가스를 열원으로 재활용하여 전기를 생산하는 재활용장치를 포함하고, 합성가스 생성장치는, 합성가스에 섞여 있는 타르를 제거하는 것을 특징으로 하는 타르를 제거하는 폐플라스틱 가스화시스템 및 이의 구동방법을 제공한다. The present invention relates to a syngas generating device that generates syngas using waste plastic fuel and a syngas generated from the syngas generating device by recycling syngas from which heavy metals, tars and dust are removed as a heat source to produce electricity. Including an apparatus, the synthesis gas generating apparatus provides a waste plastic gasification system for removing tar, characterized in that removing the tar mixed in the synthesis gas, and a driving method thereof.

Method and apparatus for treating wastes by gasification

一种通过气化处理废物的方法，该方法能回收包括能量、有价值材料如金属的有用资源，以及用作化工原料或燃料的气体。在较低的温度下，在流化床反应器中气化废物，将在流化床反应器中生成的气态物质和焦炭引入高温焚烧炉中，以及在较高的温度下，在高温焚烧炉中生产低热量气体或中热量气体。流化床反应器包括一个回转流动式流化床反应器，高温焚烧炉包括一个旋流式高温焚烧炉。

A waste plastic gasification system for extinguishing and preventing fire and method for fire extinguishing and prevention using the same

본 발명은 폐플라스틱 연료를 이용하여 합성가스를 생성하는 합성가스 생성장치 및 합성가스 생성장치에서 생성된 합성가스에 섞여 있는 중금속, 타르 및 분진을 제거한 합성가스를 열원으로 재활용하여 전기 및 스팀 중 적어도 어느 하나를 생산하는 재활용장치를 포함하고, 합성가스 생성장치는, 합성가스 생성장치의 압력, 온도 및 산소 농도를 실시간으로 감지한 결과를 기반으로 상기 합성가스의 유입을 차단하고 질소를 공급하여 화재를 예방하는 것을 특징으로 하는 화재의 소화 및 예방을 위한 폐플라스틱 가스화시스템 및 이를 이용한 화재의 소화 및 예방방법을 제공한다. The present invention relates to a syngas generating device for generating syngas using waste plastic fuel, and recycling syngas from which heavy metals, tars and dust mixed in syngas generated in the syngas generating device are removed as a heat source, so that at least one of electricity and steam It includes a recycling device for producing any one, and the synthesis gas generation device blocks the inflow of the synthesis gas and supplies nitrogen based on the results of sensing the pressure, temperature and oxygen concentration of the synthesis gas generation device in real time. It provides a waste plastic gasification system for extinguishing and preventing fire, characterized in that it prevents the fire, and a fire extinguishing and prevention method using the same.

Catalytic steam gasification with recovery and recycling of alkali metal compounds

A waste plastic gasification system for extinguishing and preventing fire and method for fire extinguishing and prevention using the same

본 발명은 폐플라스틱 연료를 이용하여 합성가스를 생성하는 합성가스 생성장치 및 합성가스 생성장치에서 생성된 합성가스에 섞여 있는 중금속, 타르 및 분진을 제거한 합성가스를 열원으로 재활용하여 전기 및 스팀 중 적어도 어느 하나를 생산하는 재활용장치를 포함하고, 합성가스 생성장치는, 합성가스 생성장치의 압력, 온도 및 산소 농도를 실시간으로 감지한 결과를 기반으로 상기 합성가스의 유입을 차단하고 질소를 공급하여 화재를 예방하는 것을 특징으로 하는 화재의 소화 및 예방을 위한 폐플라스틱 가스화시스템 및 이를 이용한 화재의 소화 및 예방방법을 제공한다.

A waste plastic gasification system removing tar and driving method thereof

본 발명은 폐플라스틱 연료를 이용하여 합성가스를 생성하는 합성가스 생성장치 및 합성가스 생성장치에서 생성된 합성가스에 섞여 있는 중금속, 타르 및 분진을 제거한 합성가스를 열원으로 재활용하여 전기를 생산하는 재활용장치를 포함하고, 합성가스 생성장치는, 합성가스에 섞여 있는 타르를 제거하는 것을 특징으로 하는 타르를 제거하는 폐플라스틱 가스화시스템 및 이의 구동방법을 제공한다.

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

A high efficiency gasification process for converting carbonaceous solids to methane and apparatus for its practice are described. The process includes reacting steam and carbonaceous solids comprising ash in the presence of alkali metal catalyst in a gasification reactor to produce combustible gases and char particles comprising ash and alkali metal catalyst constituents, treating a stream of such char particles in an alkali metal catalyst recovery system to recover the catalyst constituents as alkali metal compounds, and recycling such recovered compounds. Within the alkali metal catalyst recovery system the process includes quenching the stream of char particles with water whereby such particles are cooled and fractured, dissolving soluble alkali metal catalyst constituents from the fractured solids to form a first alkali metal catalyst solution and washed solids, optionally reacting the washed solids in alkaline solution to form a second alkali metal catalyst solution, upgrading said first and optional second alkali solution to recover the alkali metal catalyst constituents as said alkali metal compounds.

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

A high efficiency gasification process for converting carbonaceous solids to methane and apparatus for its practice are described. The process includes reacting steam and carbonaceous solids comprising ash in the presence of alkali metal catalyst in a gasification reactor to produce combustible gases and char particles comprising ash and alkali metal catalyst constituents, treating a stream of such char particles in an alkali metal catalyst recovery system to recover the catalyst constituents as alkali metal compounds, and recycling such recovered compounds. Within the alkali metal catalyst recovery system the process includes quenching the stream of char particles with water whereby such particles are cooled and fractured, dissolving soluble alkali metal catalyst constituents from the fractured solids to form a first alkali metal catalyst solution and washed solids, optionally reacting the washed solids in alkaline solution to form a second alkali metal catalyst solution, upgrading said first and optional second alkali solution to recover the alkali metal catalyst constituents as said alkali metal compounds.

Catalytic steam gasification process with recovery and recycle of alkali metal compounds

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Method for recovering catalyst in coal catalytic gasification ash, catalyst recovered by recovery method and application of catalyst

本发明涉及煤催化技术领域，尤其涉及一种煤催化气化灰渣中催化剂的回收方法以及采用该回收方法回收获得的催化剂及其应用。能够对灰渣中的催化剂充分回收的同时，提高催化剂的催化活性，实现灰渣中富含的铝、硅、铁、钛、锂等高附加值组分的资源化利用。一种煤催化气化灰渣中催化剂的回收方法，包括：对煤催化气化灰渣进行水洗；用浓硫酸对水洗灰渣进行酸洗，并在反应产物中加入石墨和氧化剂，使得反应产物中的碳与加入的石墨在硫酸分子和氧化剂的插层作用下发生氧化反应；将所获得的氧化石墨进行剥离，获得氧化石墨烯，将可溶性催化剂负载在氧化石墨烯上，对液体产物进行脱硫处理，并将脱硫处理后的碱金属氧化物和硫酸溶液返回重复利用。

Catalytic gasification process with recovery of alkali metal from char

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Catalytic gasification process with recovery of alkali metal from char

描述了用于从由碳质材料的催化气化得到的焦炭中提取和回收碱金属的方法。在其他步骤中，本发明的方法包括水热沥滤步骤，其中用二氧化碳和蒸汽在升高的温度和压力下处理包括不可溶碱金属化合物的不可溶颗粒的浆液以实现将不可溶碱金属化合物转化为可溶碱金属化合物。此外，还描述了用于碳质材料的催化气化的方法，其中从由该催化气化方法得到的焦炭中提取和回收显著部分的碱金属。

Method and apparatus to reactivate carbon solids

A method of operating a gasification facility includes injecting a carbonaceous material into a gasification reactor. The method also includes converting at least a portion of the carbonaceous material into a solid waste byproduct that includes residual carbon. The method further includes reactivating at least a portion of the residual carbon. The method also includes injecting at least a portion of the reactivated carbon into the gasification reactor.

Method and apparatus to reactivate carbon solids

一种操作气化设施的方法包括将含碳材料注入气化反应器中。该方法还包括使含碳材料的至少一部分转换成包括残余碳的固体废弃副产物。该方法还包括使残余碳的至少一部分再活化。该方法还包括将再活化碳的至少一部分注入气化反应器中。

Catalytic steam gasification with recovery and recycling of alkali metal compounds

炭素質固体をメタンに転換するための高い効率性のガス化方法及びその実施のための装置が記載される。前記方法には、ガス化反応器中でアルカリ金属触媒の存在下で、灰分を含む炭素質固体とスチームを反応させ、可燃性の気体及び、灰分とアルカリ金属触媒構成物とを含む炭化物粒子を生じること、アルカリ金属触媒回収システムにおいてこのような炭化物粒子の流れを処理して、アルカリ金属化合物として触媒構成物を回収すること、並びにこのような回収された化合物をリサイクルすることが含まれる。アルカリ金属触媒回収システム内で、前記方法には、炭化物粒子の流れを水で急冷し、それによりこのような粒子が冷却され及び破砕されること、破砕された固体から可溶性アルカリ金属触媒構成物を溶解して、第一のアルカリ金属触媒溶液及び洗浄された固体を形成すること、場合によりアルカリ溶液中の洗浄された固体を反応させて、第二のアルカリ金属触媒溶液を形成すること、該第一の及び場合により第二のアルカリ溶液を改良して、該アルカリ金属化合物としてアルカリ金属触媒構成物を回収することが含まれる。

Catalytic gasification process with recovery of alkali metal from char

描述了用于从由碳质材料的催化气化得到的焦炭中提取和回收碱金属的方法。在其他步骤中，本发明的方法包括水热沥滤步骤，其中用二氧化碳和蒸汽在升高的温度和压力下处理包括不可溶碱金属化合物的不可溶颗粒的浆液以实现将不可溶碱金属化合物转化为可溶碱金属化合物。此外，还描述了用于碳质材料的催化气化的方法，其中从由该催化气化方法得到的焦炭中提取和回收显著部分的碱金属。

Catalytic gasification process with recovery of alkali metal from char

描述了用于从由碳质材料的催化气化得到的焦炭中提取和回收碱金属的方法。在其他步骤中，本发明的方法包括水热沥滤步骤，其中用二氧化碳和蒸汽在升高的温度和压力下处理包括不可溶碱金属化合物的不可溶颗粒的浆液以实现将不可溶碱金属化合物转化为可溶碱金属化合物。此外，还描述了用于碳质材料的催化气化的方法，其中从由该催化气化方法得到的焦炭中提取和回收显著部分的碱金属。

Soot filter cake disposal

The present invention provides a method for the recovery of elemental carbon or soot produced during the partial oxidation reaction of a hydrocarbonaceous fuel and oxygen. An effluent stream of raw synthesis gas or syngas with entrained carbon soot is produced during the partial oxidation reaction. A filter cake ( 2 ) is fed to a receiving bin ( 10 ) and then to a lockhopper ( 14 ) where the wet filter cake is pressurized. Wet filter cake/oil feed mixture from lockhopper ( 14 ) is fed through line ( 38 ) to knockout vessel ( 44 ) wherein oil and water vapor exit ( 50 ) to a gasifier. An oil feed/particulate carbon mixture exits lockhopper ( 14 ) through lines ( 66 ) and ( 70 ) to oil feed storage drum ( 26 ), fed by oil feed ( 24 ), and exits water-free mixture of oil and solids ( 76 ) to a gasifier reaction zone.

Two-stage gasification furnace with high slag capture rate, and waste heat boiler system

Disclosed in the present application are a two-stage gasification furnace with a high slag capture rate, and a waste heat boiler system. The waste heat boiler system comprises a two-stage gasification furnace, a cyclone separator and a waste heat boiler; a side wall of the two-stage gasification furnace is sequentially provided with a quenching gas nozzle, a second-stage coal burner, a fly ash nozzle and a first-stage coal burner from top to bottom; a syngas outlet of the two-stage gasification furnace is in communication with an inlet of the cyclone separator, a top outlet of the cyclone separator is in communication with an inlet of the waste heat boiler, and a bottom outlet of the cyclone separator is in communication with the fly ash nozzle by means of a fly ash return feeder; and a heat exchange surface of the waste heat boiler in the system is less prone to being blocked, thereby avoiding the wear of the waste heat boiler by fly ash. In addition, the slag capture rate of the two-stage gasification furnace is greatly increased.

Tar reforming process and catalyst usnig by-product of gasification process

본 발명의 일 실시예에 의한 가스화 공정은 바이오매스, 석탄 및 폐플라스틱 중 1종 이상을 가스화용 공기와 함께 가스화하여 합성 가스 및 부산물을 생성하는 합성 가스 생성 공정; 합성 가스로부터 부산물을 분리하는 분리 공정; 분리 공정을 거친 가스로부터 타르를 개질하는 타르 개질 공정을 포함하고, 합성 가스 생성 공정에서 발생하는 부산물 및 분리 공정에서 분리된 부산물 중 1종 이상을 타르 개질 공정의 촉매로 투여한다. The gasification process according to an embodiment of the present invention includes a synthesis gas generation process of generating synthesis gas and by-products by gasifying at least one of biomass, coal, and waste plastic together with air for gasification; a separation process for separating by-products from synthesis gas; A tar reforming process of reforming tar from gas that has undergone the separation process is included, and at least one of by-products generated in the synthesis gas generation process and separated by-products in the separation process is administered as a catalyst in the tar reforming process.

Method and apparatus for recovering energy from wastes

A method and apparatus for recovering energy from wastes is used for recovering energy by gasifying wastes such as municipal waste. The method comprises gasifying wastes in a fluidized-bed gasification furnace at a relatively low temperature; introducing gaseous material and char produced in the fluidized-bed gasification furnace into a melting furnace; gasifying the gaseous material and char in the melting furnace at a relatively high temperature; introducing gas produced in the melting furnace into a heat exchanging unit; and delivering heat recovered in the heat exchanging unit to a heat cycle to generate electric energy.

Suspension bed hydrogenation residue treatment process method

本发明公开了一种悬浮床加氢残渣处理工艺方法，属于悬浮床加氢技术领域，包括如下步骤：(1)对悬浮床加氢残渣进行气化，分别收集气化固相和气化气相；(2)对所述气化固相进行活化处理，活化后的所述气化固相作为悬浮床加氢催化剂循环使用；(3)对所述气化气相进行净化、分离操作，制得氢气产品。本发明方法可实现对悬浮床加氢残渣的高效利用，工艺流程简单，安全环保，操作灵活性大。

Process and apparatus for producing synthesis gas through thermochemical conversion of biomass and waste materials

The present invention provides a process and apparatus for converting feedstock comprising biomass and/or carbon-containing solid waste material to synthesis gas. The process comprises supplying the feedstock to a gasifier comprising a fluidized bed zone and a post-gasification zone and contacting the feedstock with a gasification agent at a plurality of different operating temperatures based on the ash softening temperature of the feedstock and finally recovering the synthesis gas. The apparatus is configured to perform the process and comprises a plurality of nozzles arranged at an acute angle relative to a horizontal plane of the gasifier.

Slag separator for a coal gasification installation

In a coal gasification installation having a gasifier reactor and a water bath at the bottom of the gasifier reactor, a mixture of water and slag particles removed from the water bath is admitted under pressure into a container full of water and having a partition member for separating the heavier slag particles entrained to the bottom of the container from the lighter particles allowed on its opposite side to rise and float. A dam at the surface of the water in the container retains the floating particles while the clean water flows over the dam to an outlet. The floating particles which may be collected inside the container or entrained through a second outlet, are filtered and classified. Filtering is effected with a drum filter; and when several such filters are used in cascade, the slag particles are classified for recycling.

Methods and systems for treating a gasification slag product

The current invention discloses a novel process and system to improve the quality of the slag product from a gasification process, thereby producing low-carbon marketable aggregate product. The inventive processes and systems employ a hindered-bed settler in conjunction with optional disengager and de-watering devices. A slag slurry stream from a gasification process is de-watered and the solids content is increased from less than 5% to greater than 30% via the de-waterer before being conveyed to a hindered-bed settler, wherein the carbon content is reduced from as much as 70% to less than 5%. Particles with a high carbon content are conveyed to a gravity settler, whereby they are concentrated and then recycled to the gasification reactor.

Plant for converting solid waste into fuel gas

The present invention relates to a plant for converting solid waste, specifically biomass, into fuel gas, using a fluidized bed reactor in which the material used therein has been improved. The plant has a compensated vacuum-pressure system which controls the pressure throughout the circuit through which the gas flows, an air-conditioning system, the purpose of which is to cool the air that leaves the reactor at an extremely high temperature and a system for the dry filtration of the gas obtained including a bag filter, a filter cleaning device, an ash extraction device and a thermal ash cleaner.

Biomass gasified gas system and ash removal and slag discharging dust removal system thereof

本发明公开了一种生物质气化燃气系统及其排灰出渣除尘系统，包括进料系统，气化系统，排灰出渣除尘系统，进料系统和协调控制各系统工作的控制系统；进料系统，气化系统和排灰出渣除尘系统由上到下顺序连接。其中，排灰出渣除尘系统包括漏斗形灰筛、并可活动打开的炉排、接灰斗，以及螺旋输送装置。其优点是：结构科学而紧凑，空间充分利用，充分实现各个环节的自动化，自动化水平高，使用方便，产气高效，出气温度低，防气化气内爆，安全可靠；有效地将气化气的灰分和粉尘清除，有效地降低了对环境的污染，提高了相关器具的使用寿命，节能环保；清除积聚的灰分或结焦块方便快捷；对扩大使用可再生的生物质能源的应用有积极推动作用。

Self-circulating fluidized bed gasifier inside the gasifier and staggered and forced wind air distribution plate inside

Un distribuidor de aire (2) para generar un viento forzado y escalonado en un gasificador de lecho fluidizado circulante con un caudal más alto en el centro y un caudal más bajo en la periferia, de manera que se forma un flujo de circulación interna dentro de la cámara de horno (1) en el que una corriente de gas forzada en el centro se mueve hacia arriba y una corriente de gas en la periferia desborda hacia abajo, el distribuidor de aire (2) que comprende: un cuerpo de distribuidor de aire, un orificio pasante de una mezcla de material gaseoso (203) y una pluralidad de orificios de ventilación (201) ubicada dentro del cuerpo de distribuidor de aire, el orificio pasante de la mezcla de material gaseoso que se extiende desde una superficie superior del cuerpo de distribuidor de aire hacia el cuerpo de distribuidor de aire, las salidas de la pluralidad de orificios de ventilación que están en comunicación con un fondo del orificio pasante de la mezcla de material gaseoso y las entradas de la pluralidad de orificios de ventilación que están ubicadas en una superficie inferior del cuerpo de distribuidor de aire, caracterizado por que los orificios de ventilación están diseñados para tener recorridos sinuosos. An air distributor (2) to generate a forced and stepped wind in a circulating fluidized bed gasifier with a higher flow rate in the center and a lower flow rate in the periphery, so that an internal circulating flow is formed within the furnace chamber (1) in which a gas stream forced in the center moves upward and a gas stream in the periphery overflows downward, the air distributor (2) comprising: an air distributor body , a gaseous material mixture through hole (203) and a plurality of vent holes (201) located inside the air distributor body, the gaseous material mixture through hole extending from an upper surface of the body of air distributor towards the air distributor body, the outlets of the plurality of ventilation holes that are in communication with a ...

Carbon-containing substance reaction system and method

本发明涉及一种含碳物质干粉气化系统，其特征在于，包括含碳物质反应装置和用于将反应装置部分下行经过冷却和初步净化的粗合成气升压后与反应装置上行高温粗合成气掺混降温的气体返回装置。本发明涉及一种含碳物质干粉气化方法。

Ash removal system for biomass pyrolysis liquefaction

本发明涉及生物质热解液化过程中热解气除灰用装置，具体涉及一种生物质热解液化用除灰系统，包括两级除尘，两级除尘包括通过管道连接的旋风除尘器和二级除尘器，所述二级除尘器包括筒体，筒体内部设置过滤筒，所述过滤筒的筒壁内设有填料，过滤筒两端面与筒体两端面紧密配合，筒体上部设有二级进气口，二级进气口与过滤筒连通，筒体侧壁设有出气口，所述筒体两侧分别连接有振动器。本发明采用两级除尘，两级除尘采用不同的处理设备，两级除尘对热解气中的灰分处理彻底，且二级除尘器中的过滤筒更换方便，便于清理。

Process and apparatus for producing synthesis gas through thermochemical conversion of biomass and waste materials

The present invention provides a process and apparatus for converting feedstock comprising biomass and/or carbon-containing solid waste material to synthesis gas. The process comprises supplying the feedstock to a gasifier comprising a fluidized bed zone and a post-gasification zone and contacting the feedstock with a gasification agent at a plurality of different operating temperatures based on the ash softening temperature of the feedstock and finally recovering the synthesis gas. The apparatus is configured to perform the process and comprises a plurality of nozzles arranged at an acute angle relative to a horizontal plane of the gasifier.

Method of recovering energy from waste

(57)【要約】 【課題】 廃棄物をガス化し、生成されたガスの保有す る熱エネルギを回収して発電する工程を有するか、又は 生成されたガスをガスタービンに導いて燃焼させて発電 するとともにガスタービンの廃熱エネルギを回収して発 電する工程を有することにより、廃棄物からエネルギを 有効に回収することができるエネルギ回収方法を提供す る。 【解決手段】 廃棄物を流動層ガス化炉１で低温でガス 化し、得られるガス状物質とチャーを溶融炉５に導入し て高温でガス化し、生成されたガスを熱交換部１０に導 いて熱交換を行い、この熱交換の際に発生する熱を回収 して熱サイクルＨｃに導き発電を行う。

Externally heated microwave plasma gasifier and synthesis gas production method

본 발명은 외적으로 가열된 극초단파 플라즈마 가스화기와 합성가스 생산 방법에 관한 것으로서, 수직으로 배치된 원통형 가스화기 메인 본체, 메인 본체와 연통되며 가스화기 메인 본체의 중간 부분에 배치된 피더 장치, 간극 영역에 배치된 상부 증기 노즐, 층상 구역에 배치된 하부 일산화탄소/증기 노즐, 가스화기 메인 본체의 정상부에 있는 합성가스 출구, 출구에 배치된 모니터링 유니트, 및 간극 영역에 배치되고 상부 증기 노즐의 상단에 있는 극초단파 플라즈마 발생기를 구비하고; 가스화기 메인 본체를 가열하기 위해 외부 가열원을 사용하는 외부 가열 장치가 마련되며, 외부 가열 장치는 가스화기 메인 본체와 일체로 배치되거나 가스화기 메인 본체로부터 분리되게 배치된다. 열을 공급하기 위해 외부 가열원이 사용되기 때문에, 열에너지로 변환되는 바이오매스 화학 에너지의 양이 그만큼 감소됨으로써, 부가적인 산화제가 산화 반응에 부가될 필요가 없고, 이것은 합성가스의 구성 요소의 함량 효과를 증대시키고, 효율적, 경제적 부수 활용 공정에 유효하고, 다양한 형태의 에너지의 포괄적 활용이 가능하다. The present invention relates to an externally heated microwave plasma gasifier and a method of producing a syngas, comprising a vertically disposed cylindrical gasifier main body, a feeder device communicating with the main body and disposed in the middle portion of the gasifier main body, A lower carbon monoxide / vapor nozzle disposed in the laminar zone, a syngas outlet at the top of the gasifier main body, a monitoring unit disposed at the outlet, and a microwave positioned at the top of the upper vapor nozzle, A plasma generator; An external heating device using an external heating source is provided for heating the gasifier main body, and the external heating device is disposed integrally with the gasifier main body or separately from the gasifier main body. Since an external heating source is used to supply heat, the amount of biomass chemical energy converted into thermal energy is reduced so much that no additional oxidant needs to be added to the oxidation reaction, And is effective for efficient and economical application process, and it is possible to utilize various types of energy in a comprehensive manner.

Carbonaceous substance reaction system and method

탄소질 물질 분말 가스화 시스템 및 가스화 방법에 관한 것으로서, 상기 시스템은 탄소질 물질 반응 장치 및 상기 반응 장치로부터 하향 유동하고, 냉각되고, 예비 정화되고, 이어서 가압되는 일부 조 합성 가스를 상기 반응 장치로부터 상향 유동하는 고온 조 합성 가스와 혼합하고 온도를 낮추기 위해 사용되는, 가스 회수 장치를 포함한다. 상기 방법은 상기 탄소질 물질 및 가스화제가 가스화 반응부에서 반응하고, 조 합성 가스 및 애쉬 및 슬래그를 생성하고, 고온 조 합성 가스의 한 부분이 비산 애쉬 및 유체 슬래그와 함께 하강하고, 고온 조 합성 가스의 한 부분이 비산 애쉬와 함께 상승하는 단계; 고온 조 합성 가스의 하강 부분은 냉각되고, 예비 정화되고, 슬래그를 제거하고 (deslagged), 이후에 가압된 다습한 조 합성 가스가 시스템 내로 도입되고, 상승의 고온 조 합성 가스와 혼합되는 단계; 고온 합성 가스의 나머지가 비산 애쉬와 함께 상승하고, 상기 일차 냉각 장치에 의해서 뿌려지는, 저온 다습한 합성 가스와 혼합되어 냉각되서 임의로 냉각 반응부 내로 도입되는 단계; 냉각된 또는 냉각-반응된 조 합성 가스가 계속해서 상승하고, 상부 냉각부 내로 통과하여 다시 냉각되고, 애쉬를 제거하여, 조 합성 가스를 수득하는 단계;를 포함한다.

Production of synthesis gas

Disclosed are gasification processes for the production of mixtures of carbon monoxide and hydrogen, by the partial oxidation of a carbonaceous feedstock material wherein carbon values contained in a solid slag effluent from the partial oxidation reactor are recovered and recycled to the gasification reactor.

In-furnace automatic circulating fluidized bed gasification furnace and its multilayer wind guide plate

Soot filter cake disposal

The present invention provides a method for the recovery of elemental carbon or soot produced during the partial oxidation reaction of a hydrocarbonaceous fuel and oxygen. An effluent stream of raw synthesis gas or syngas with entrained carbon soot is produced during the partial oxidation reaction. A filter cake (2) is fed to a receiving bin (10) and then to a lockhopper (14) where the wet filter cake is pressurized. Wet filter cake/oil feed mixture from lockhopper (14) is fed through line (38) to knockout vessel (44) wherein oil and water vapor exit (50) to a gasifier. An oil feed/particulate carbon mixture exits lockhopper (14) through lines (66) and (70) to oil feed storage drum (26), fed by oil feed (24), and exits water-free mixture of oil and solids (76) to a gasifier reaction zone.

Method of treating manure

Fly ash recycling gasifier having fly ash burner and operating method therefor

The present invention relates to the technical field of gasifiers. Disclosed are a fly ash recycling gasifier having a fly ash burner and an operating method therefor. A gas ash remover has an inlet connected to a waste pot outlet of a gasifier and a bottom outlet connected to a fly ash storage tank; the fly ash storage tank is connected to a pressure charging and changing lock hopper; the pressure charging and changing lock hopper is connected to a fly ash blending system; the fly ash storage tank is connected to a stamping nitrogen inlet pipe; the fly ash storage tank, the pressure charging and changing lock hopper, and the fly ash blending system are respectively connected to an exhaust filter; the exhaust filter is connected to a back-blowing nitrogen buffer tank; the fly ash blending system is connected to the fly ash burner; the fly ash burner is disposed on the inner wall of a hearth of the gasifier; and a gasifying agent system of the gasifier is respectively connected to the fly ash burner and the fly ash blending system. The present invention can simplify the fly ash conveying process, reduce the conveying load of pulverized coal and control the proportion of fly ash to coal, oxygen, and water while fully utilizing carbon residues in the fly ash, thereby improving the overall efficiency of the gasifier and increasing the comprehensive utilization rate of energy.

Waste treatment apparatus and method through vaporization

본 발명은 기화를 통하여 폐기물을 처리하는 방법 및 장치에 관한 것이며, 이 방법과 장치로 에너지, 금속과 같은 가치물, 화학 산업용 합성 가스 또는 연료로 사용되는 가스를 포함한 유용한 자원을 회수한다. 상기 폐기물은 비교적 저온의 유동층 반응기에서 기화되고, 상기 유동층 반응기에서 생성되는 기체상 물질 및 차르는 고온 연소실내에 도입되고, 상기 비교적 고온의 고온 연소실에서 저열량 가스 또는 중간 열량 가스가 생성된다. 상기 유동층 반응기는 회전류-형 유동층 반응기를 포함한다. 상기 고온 연소실은 와류-형 고온 연소실을 포함한다. The present invention relates to a method and apparatus for treating waste through vaporization, which recovers valuable resources including energy, valuables such as metals, syngas for the chemical industry, or gases used as fuel. The waste is vaporized in a relatively low temperature fluidized bed reactor, gaseous material and char generated in the fluidized bed reactor are introduced into a high temperature combustion chamber, and low calorific gas or medium calorific gas is produced in the relatively high temperature hot combustion chamber. The fluidized bed reactor comprises a rotary flow-type fluidized bed reactor. The hot combustion chamber comprises a vortex-type hot combustion chamber.

MUNICIPAL SOLID WASTE DISPOSAL PROCESS

본 발명은 밀폐된 반응 용기내에서 플라스마 아크 토치를 독립적 열원으로 사용하여 도시의 고체 폐기물을 기화시켜서 중질의 기체와 독성이 낮은 원소 침출성을 가진 비활성 일체식 슬래그를 생성시키는 방법에 관한 것이다. 상기 기체는 금속 및 준휘발성 유기화합물 특히 디옥신과 푸란의 수준이 낮다. 예컨대 석탄, 목재 및 토탄과 같은 기타 물질들도 기화될 수 있다.

Device and method for gasifying carbon-containing substance

本发明涉及一种含碳物质干粉气化方法，其特征在于：包括以下步骤：i)将含碳物质与含氧气化剂发生气化反应，生成主要成分为CO和H2的粗合成气及主要成分为无机物的灰渣；ii)部分粗合成气及大部分灰渣下行冷却净化，经过降温除灰的粗合成气送往后续流程，经过淬冷的灰渣经出渣口排出；其余部分高温粗合成气及高温飞灰上行进入降温输气段，此时主要是初步降低高温粗合成气及飞灰的温度，使得飞灰温度降到熔点以下失去粘性；降温后的粗合成气及飞灰继续上行，经过急冷后进入上部冷却净化段，经过冷却净化后，除去粗合成气中的飞灰，较为洁净的低温粗合成气送往后续流程。本发明涉及一种含碳物质干粉气化装置。

A kind of land pollution repair materials and its application

本发明涉及一种土地污染修复材料及其应用。以解决现有土地污染的问题。所涉及的土壤污染修复材料的制备方法包括：在气化条件下，原料与氧气和水蒸气进行气化反应，反应副产的碳基材料为土地污染修复材料。所涉及的应用为土地污染修复材料在土地修复中的应用。本发明将利用煤或者生物质气化工艺制备的碳基多孔吸附材料改良沙质土壤结构，目的是用作土壤保水保肥吸附材料，以期达到吸附固定沙质土壤中重金属，同时起到保水保肥作用，实现能源化工地区沙质土壤的生态治理。

Process and apparatus for producing synthesis gas through thermochemical conversion of biomass and waste materials

The present invention provides a process and apparatus for converting feedstock comprising biomass and/or carbon-containing solid waste material to synthesis gas. The process comprises supplying the feedstock to a gasifier comprising a fluidized bed zone and a post-gasification zone and contacting the feedstock with a gasification agent at a plurality of different operating temperatures based on the ash softening temperature of the feedstock and finally recovering the synthesis gas. The apparatus is configured to perform the process and comprises a plurality of nozzles arranged at an acute angle relative to a horizontal plane of the gasifier.

Process and device for production of compacted fertilizer charcoal

Provided are a method of and an apparatus for thermo -chemical production of low-dust coal, shaped into pellets or other compacts, particularly from fertilizer-containing raw materials. The raw materials are partially burned with controlled air supply and thus charred; and the still glowing residues are quenched with water. The manufactured fertilizer-coal in this process largely retains its shape and can be used before the quenching in the still red-hot state similar like activated carbon for the treatment of exhaust gas in equipment.

Refuse gasification produces the process of synthetic natural gas

本发明公开了一种垃圾气化生产合成天然气的工艺方法，解决了目前为止尚无基于垃圾气化技术生产合成天然气工艺的问题，本发明工艺包括垃圾气化工序、气体净化工序和甲烷化工序，所述垃圾气化工序包括垃圾进料及高温气化工段、粗合成气除尘及热回收工段、粗合成气激冷及洗涤工段和高温熔渣激冷及除渣工段，气体净化工序包括COS水解及常压脱硫工段、引风机+气柜存储工段、合成气压缩工段、CO变换工段、酸性气体脱除工段；所述甲烷化工序包括甲烷化工段和天然气提纯工段，最终得到满足国家质量标准要求的合格天然气产品。本发明工艺简单、能量利用率高、资源化效果好，并且节能、减排和环保。

一种利用秸秆生产生物炭的撬装式装置

本发明涉及生物质再生能源技术领域，公开了一种利用秸秆生产生物炭的撬装式装置，包括底板，底板上固接有壳体，壳体内依次设有送料机构、碎料机构与气化机构，碎料机构包括碎料室，碎料室上设有进料口和出料口，送料机构用于将切断后的秸秆输送到进料口，碎料室上设有用于开合出料口的门组件，碎料室内转动连接有第一转轴，第一转轴上固接有用于粉碎秸秆的切刀；气化机构包括气化室，气化室通过出料口与碎料室连通，气化室上设有喷火组件和搅拌组件，气化室内设有滑动连接在气化室内的过筛组件，气化室上设有第一进气口和第一排气口。本发明用以解决上述背景技术中现有秸秆处理方法因秸秆气化不充分而造成秸秆利用率低的问题。

一种利用秸秆生产生物炭的撬装式装置

本发明涉及生物质再生能源技术领域，公开了一种利用秸秆生产生物炭的撬装式装置，包括底板，底板上固接有壳体，壳体内依次设有送料机构、碎料机构与气化机构，碎料机构包括碎料室，碎料室上设有进料口和出料口，送料机构用于将切断后的秸秆输送到进料口，碎料室上设有用于开合出料口的门组件，碎料室内转动连接有第一转轴，第一转轴上固接有用于粉碎秸秆的切刀；气化机构包括气化室，气化室通过出料口与碎料室连通，气化室上设有喷火组件和搅拌组件，气化室内设有滑动连接在气化室内的过筛组件，气化室上设有第一进气口和第一排气口。本发明用以解决上述背景技术中现有秸秆处理方法因秸秆气化不充分而造成秸秆利用率低的问题。