CN101338204A - Integration biomass gasification stove catalytic splitting process and device thereof - Google Patents

Integration biomass gasification stove catalytic splitting process and device thereof Download PDF

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Publication number
CN101338204A
CN101338204A CNA2008100214857A CN200810021485A CN101338204A CN 101338204 A CN101338204 A CN 101338204A CN A2008100214857 A CNA2008100214857 A CN A2008100214857A CN 200810021485 A CN200810021485 A CN 200810021485A CN 101338204 A CN101338204 A CN 101338204A
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Prior art keywords
heater
chamber
biomass
gas
tar
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Granted
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CNA2008100214857A
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CN101338204B (en
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袁英江
彭春晖
许庆华
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Liaoning East Dai New District Township Electric Power Co., Ltd.
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BEIJING TOWNSHIP ELECTRICITY ELECTRIC POWER Co Ltd
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Priority to CN2008100214857A priority Critical patent/CN101338204B/en
Publication of CN101338204A publication Critical patent/CN101338204A/en
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Abstract

The invention discloses an integrated biomass gasified furnace catalytic cracking method and a device thereof. The technical proposal is characterized in that in the integrated biomass gasified furnace catalytic cracking method, biomass fuel enters a combustion room from a feeding port through a spiral input device to be combusted; a large amount of combustible gas after the combustion rises to an X-type fuel gas buffer room and then enters a tar catalysis cracking chamber; the combustible gas enters a gas purifying chamber after the complete catalysis cracking and the purification filtering and is discharged from an outlet pipe to be used by users. The integrated biomass industrial gasifier consists of a gasifier body, the gas purifying chamber, the tar catalysis cracking chamber, catalyst for the biomass gasifier, the fuel gas buffer room, the spiral input device, the combustion room, a conical recoiling device, an ash storing chamber and a base. The integrated biomass gasifier catalyst cracking method and the device thereof are used for providing heat energy for various industrial and mining enterprises and biomass power plants.

Description

Integration biomass gasification stove catalytic splitting process and device thereof
Technical field
The present invention relates to vapourizing furnace, be specifically related to a kind of integration biomass gasification stove catalytic splitting process and device thereof.
Background technology
Biomass energy is a kind of renewable energy source, and is very fast to the ratio of the development and utilization of biomass energy development in recent years, helps alleviating present energy dilemma and reduces energy-related environmental pollution, promotes the Sustainable development of economic society.
Biomass gasifying furnace mainly is the stalk gasifier of family expenses at present, and be used for suitability for industrialized production and the integration biomass gasification stove catalytic splitting process of a large amount of renewable energy source be provided and install fewer, it is further perfect that subject matter is that the catalytic cracking of tar technology of biomass gasifying furnace in operational process also needs, and just can help the development of integration biomass gasification stove catalytic splitting process and device thereof.
Chinese patent Granted publication CN 2765907, Granted publication day is on March 22nd, 2006, name is called " the special-purpose stalk gasifier of a kind of large scale industry ", discloses " a kind of biomass gasifying furnace, especially a kind of stalk gasifier.It comprises bell 1, body of heater 2 and grate 3, be provided with cooling room 4 in the inboard of housing 2, the top of cooling room 4 is provided with gather qi together layer 10, pneumatic tube 11 passes cooling room 4 and communicates with gather qi together layer 10, on bell 1, be provided with vapor pipe 12 and opening for feed 15, opening for feed 15 tops are provided with material flap 16, operating stick 13 passes bell 1 and enters in the body of heater 2, its lower end is fixed with pressing plate 14, securing gear 20 is sleeved on the operating stick 13, and the asbestos 21 that press between securing gear 20 and the bell 1 closely contact with operating stick 13, are provided with water inlet pipe 17 and rising pipe 18 in body of heater 2 outsides, water inlet pipe 17 and rising pipe 18 communicate with cooling room 4, between bell 1 and the body of heater 2 by hold-down gear 19 fixing seals.The utlity model has simple in structure, flexible operation, good seal, raw material availability height, the sufficient advantage of gas making.”
Though it is simple in structure that the weak point of above-mentioned patent is a vapourizing furnace, there is not the catalytic cracking of tar device, be unfavorable for the normal gas producing program of vapourizing furnace.
Chinese patent Granted publication CN 1098910, Granted publication day is on January 15th, 2003, and name is called " thermal-cracking decoking biomass gasification furnace ", and this invention " relates to the agricultural waste material processing and utilizing and reaches device fabrication by solid carbon-contg material production combustion gas.It comprises body of heater, the fire grate of existing fixed bed downdraft vapourizing furnace, and feeding port, air distribution outlet, slag-drip opening, gas outlet etc. is characterized in that the fire grate below is provided with to be provided with the circuitous runner of a fuel gas flow.Also can set up the cracking and catalyzing bed on furnace bottom, the present invention forces gas-flow to walk or drive slowly in runner, has prolonged the residence time of combustion gas in hot environment, makes the part tar in the combustion gas cleaved.Be provided with under the situation of catalytic bed, its scission reaction is more abundant, has further improved goudron lysis rate, gasification efficiency and fuel gases calorific value ".
The weak point of above-mentioned patent is that beaded catalyst is the foot that is placed on the vapourizing furnace body of heater, and combustion gas is from beaded catalyst body of heater to be aspirated out in combustion gas, and the fuel gas temperature of this moment is lower, and is unfavorable for improving the cleavage rate of tar.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, provide a kind of gas production rate big and high integration biomass gasification stove catalytic splitting process and the device thereof of goudron lysis rate.
The catalytic cracking method of integration biomass gasification stove: biomass fuel enters in the combustion chamber by the spiral input unit from opening for feed and burns, a large amount of inflammable gass after the burning rise to X type combustion gas surge chamber, enter the catalytic cracking of tar chamber again, enter the gas-purification chamber through the inflammable gas behind abundant catalytic pyrolysis and the purification filtering, discharge from escape pipe, use for the user.
Integration biomass industrial gasification stove is made up of body of heater, gas-purification chamber, catalytic cracking of tar chamber, biomass gasification catalyst, combustion gas surge chamber, spiral input unit, combustion chamber, pyramid type recoiling device, ash storage room and base.
The present invention is achieved by following technical proposals:
The catalytic cracking method of integration biomass gasification stove: biomass fuel enters in the combustion chamber by the spiral input unit from opening for feed, lighting biomass fuel takes fire, and from the additional air of blast pipe, a large amount of inflammable gass that biomass fuel produces in the combustion chamber, continuous rising along with the burning room temp, inflammable gas rises in the X type combustion gas surge chamber and does to enter the catalytic cracking of tar chamber after the brief stay, the biomass gasification catalyst that catalytic cracking of tar is indoor, tar in the inflammable gas is carried out sufficient catalytic pyrolysis and purification filtering, purified inflammable gas enters the gas-purification chamber, discharge from escape pipe, use for the user; In combustion processes, need not timing pressurized air is fed in the pyramid type recoiling device, recoil in fire grate, the ashes caking that biomass fuel is produced in combustion processes breaks up, ashes dust after breaking up falls in the ash storage room by fire grate, discharges from ash releasing tube.
Described integration biomass gasification stove is a vertical type cylinder type device, the loam cake of a circular arc type of upper design of body of heater, through hole of upper left sidetracking at loam cake, a tensimeter is installed, through hole of the upper right sidetracking of loam cake, a thermopair is installed, at inflammable gas escape pipe of the central position of loam cake welding, refractory concrete is built in the inboard of loam cake, loam cake is connected into an integral body by attachment bolt and coupling flange and body of heater, and the top of body of heater and the internal cavity of loam cake are formed a gas-purification chamber; Catalytic cracking of tar chamber of the intravital upper design of stove, the indoor reinforcing mat of catalytic cracking of tar is welded on the inboard of body of heater, places biomass gasification catalyst on the reinforcing mat, and the plane is lower than the coupling flange of body of heater on the biomass gasification catalyst; Welding uncovered pyramid type steel plate in middle and upper part in the body of heater above the uncovered pyramid type steel plate and build refractory concrete between the body of heater, is formed an X type combustion gas surge chamber; The middle part is a U type combustion chamber in the body of heater, builds refractory concrete between combustion chamber and the body of heater, and biomass fuel burns in the combustion chamber, and the spiral input unit is installed in the right outside of body of heater, and opening for feed is at the upper right quarter of spiral input unit; The fire grate of bottom, combustion chamber is welded on middle and lower part in the body of heater, ash storage room of bottom design of fire grate, a pyramid type recoiling device is installed between ash storage room and the fire grate, 24~48 through holes are arranged above the recoiling device cone, compressed air inlet pipe is welded on the lower right side of body of heater, and blast pipe is welded on the lower-left side of body of heater, and the upper left quarter of blast pipe and ash storage room links, ash releasing tube of welding below the ash storage room, the coupling flange of body of heater bottom links by attachment bolt and base.
The biomass gasification catalyst that described coke tar cracking is indoor, system adopts the biomass gasification catalyst of the inventor in " biomass gasification catalyst and the production method " of application on February 25th, 2005, the Chinese patent Granted publication of this invention number is CN 1301789, Granted publication day is on February 28th, 2007, biomass gasification catalyst is made up of attapulgite clay, alumine, ferric oxide, magnesium oxide, calcium oxide and hard coal, detects and be packaged as finished product through batching, stirring, abrasive dust, granulation, oven dry, screening.
The tensimeter of loam cake and thermopair are used to measure the pressure and temperature of inflammable gas, to guarantee the works better of integration biomass gasification stove catalytic splitting process and device thereof;
X type combustion gas surge chamber is a uncovered pyramid type structure, inflammable gas is in the moment pressure increase before this by X type combustion gas surge chamber, fast decompression again helps inflammable gas and evenly enter the indoor catalytic pyrolysis that carries out of catalytic cracking of tar after doing brief stay in the X type combustion gas surge chamber then;
Pure inflammable gas behind catalytic pyrolysis and the purification filtering is done of short duration gathering after entering the gas-purification chamber, helps keeping a stable supply gas pressure.
Pressurized air enters the pyramid type recoiling device by inlet pipe, and pressurized air carries out the intermittence recoil from the through hole of pyramid type recoiling device to the ashes above the fire grate, helps loose ashes and enter ash storage room below fire grate.
Integration biomass gasification stove can select for use the renewable energy sources such as straw, branch, wood chip and shell of farm crop to act as a fuel, and does not have environmental pollution, helps promoting the Sustainable development of economic society.
Integration biomass gasification stove catalytic splitting process and the combustion gas of device collection, catalytic pyrolysis and purification filtering are one, and simple in structure, easy to operate, biomass combustible gas goudron lysis rate reaches more than 95%, and fuel gases calorific value can improve 25%~35%.
Integration biomass gasification stove catalytic splitting process and device thereof are applicable to various industrial and mining enterprises and biomass fermentation power plant provides heat energy.
Description of drawings:
Fig. 1 is integration biomass gasification stove catalytic splitting process and schematic representation of apparatus thereof.
As shown in the figure: the 1st, loam cake, the 2nd, tensimeter, the 3rd, escape pipe, the 4th, thermopair, the 5th, gas-purification chamber, the 6th, body of heater, the 7th, catalytic cracking of tar chamber, the 8th, stainless steel rebar net, the 9th, combustion gas surge chamber, 10 uncovered pyramid type steel plates, the 11st, blast pipe, the 12nd, attachment bolt, the 13rd, coupling flange, the 14th, base, the 15th, plane on the biomass gasification catalyst, the 16th, attachment bolt, the 17th, coupling flange, the 18th, biomass gasification catalyst, the 19th, opening for feed, the 20th, spiral input unit, the 21st, combustion chamber, the 22nd, biomass fuel, the 23rd, refractory concrete, the 24th, fire grate, the 25th, pyramid type recoiling device, the 26th, compressed air inlet pipe, the 27th, ash storage room, the 28th, ash releasing tube.
Embodiment
The invention will be further described below in conjunction with embodiment:
Integration biomass gasification stove catalytic splitting process: biomass fuel (22) enters in the combustion chamber (21) by spiral input unit (20) from opening for feed (19), lighting biomass fuel (22) takes fire, and from the additional air of blast pipe (11), a large amount of inflammable gass that incendiary biomass fuel (22) produces in combustion chamber (21), continuous rising along with the interior temperature in combustion chamber (21), inflammable gas rises to X type combustion gas surge chamber (9) lining and does to enter catalytic cracking of tar chamber (7) after the brief stay, biomass gasification catalyst (18) in the catalytic cracking of tar chamber (7), tar in the inflammable gas is carried out sufficient catalytic pyrolysis and purification filtering, purified inflammable gas enters gas-purification chamber (5), discharge from escape pipe (3), use for the user; In combustion processes, need pressurized air being fed in the pyramid type recoiling device (25) of not timing, in fire grate (24), recoil, the ashes caking that biomass fuel (22) is produced in combustion processes breaks up, ashes dust after breaking up falls in the ash storage room (27) by fire grate (24), discharges from ash releasing tube (28).
Described integration biomass gasification stove is a vertical type cylinder type device, the loam cake (1) of a circular arc type of upper design of body of heater (6), through hole of upper left sidetracking at loam cake (1), a tensimeter (2) is installed, through hole of the upper right sidetracking of loam cake (1), a thermopair (4) is installed, at the central position of loam cake (a 1) welding inflammable gas escape pipe (3), refractory concrete (23) is built in the inboard of loam cake (1), and loam cake (1) is connected into an integral body by attachment bolt (16) and coupling flange (17) and body of heater (6); The internal cavity of the top of body of heater (6) and loam cake (1) is formed a gas-purification chamber (5); A catalytic cracking of tar chamber of the upper design of body of heater (6) (7), reinforcing mat (8) in the catalytic cracking of tar chamber (7) is welded on the inboard of body of heater (6), reinforcing mat (8) is gone up and is placed biomass gasification catalyst (18), and plane on the biomass gasification catalyst (15) are lower than the coupling flange (17) of body of heater (6); The interior middle and upper part welding of body of heater (a 6) uncovered pyramid type steel plate (10) is built refractory concrete (23) above the uncovered pyramid type steel plate (10) and between the body of heater (6), forms an X type combustion gas surge chamber (9); The middle part is a U type combustion chamber (21) in the body of heater (6), build refractory concrete (23) between combustion chamber (21) and the body of heater (6), biomass fuel (22) burns in combustion chamber (21), spiral input unit (20) is installed in the right outside of body of heater (6), and opening for feed (19) is at the upper right quarter of spiral input unit (20); The fire grate (24) of bottom, combustion chamber (21) is welded on the interior middle and lower part of body of heater (6), a bottom design ash storage room (27) of fire grate (24), a pyramid type recoiling device (25) is installed between ash storage room (27) and the fire grate (24), 24 through holes are arranged above the recoiling device cone (25), compressed air inlet pipe (26) is welded on the lower right side of body of heater (6), blast pipe (11) is welded on the lower-left side of body of heater (6), blast pipe (11) links with the upper left quarter of ash storage room (27), a welding ash releasing tube (28) below the ash storage room (27), the coupling flange (13) of body of heater (6) bottom links by attachment bolt (12) and base (14).

Claims (1)

1, a kind of integration biomass gasification stove catalytic splitting process and device thereof, it is characterized in that, the catalytic cracking method of integration biomass gasification stove: biomass fuel enters in the combustion chamber by the spiral input unit from opening for feed, lighting biomass fuel takes fire, and from the additional air of blast pipe, a large amount of inflammable gass that biomass fuel produces in the combustion chamber, continuous rising along with the burning room temp, inflammable gas rises in the X type combustion gas surge chamber and does to enter the catalytic cracking of tar chamber after the brief stay, the biomass gasification catalyst that catalytic cracking of tar is indoor, tar in the inflammable gas is carried out sufficient catalytic pyrolysis and purification filtering, purified inflammable gas enters the gas-purification chamber, discharge from escape pipe, use for the user; In combustion processes, need not timing pressurized air is fed in the pyramid type recoiling device, recoil in fire grate, the ashes caking that biomass fuel is produced in combustion processes breaks up, ashes dust after breaking up falls in the ash storage room by fire grate, discharges from ash releasing tube;
Described integration biomass gasification stove is a vertical type cylinder type device, the loam cake of a circular arc type of upper design of body of heater, through hole of upper left sidetracking at loam cake, a tensimeter is installed, through hole of the upper right sidetracking of loam cake, a thermopair is installed, at inflammable gas escape pipe of the central position of loam cake welding, refractory concrete is built in the inboard of loam cake, loam cake is connected into an integral body by attachment bolt and coupling flange and body of heater, and the top of body of heater and the internal cavity of loam cake are formed a gas-purification chamber; Catalytic cracking of tar chamber of the intravital upper design of stove, the indoor reinforcing mat of catalytic cracking of tar is welded on the inboard of body of heater, places biomass gasification catalyst on the reinforcing mat, and the plane is lower than the coupling flange of body of heater on the biomass gasification catalyst; Welding uncovered pyramid type steel plate in middle and upper part in the body of heater above the uncovered pyramid type steel plate and build refractory concrete between the body of heater, is formed an X type combustion gas surge chamber; The middle part is a U type combustion chamber in the body of heater, builds refractory concrete between combustion chamber and the body of heater, and biomass fuel burns in the combustion chamber, and the spiral input unit is installed in the right outside of body of heater, and opening for feed is at the upper right quarter of spiral input unit; The fire grate of bottom, combustion chamber is welded on middle and lower part in the body of heater, ash storage room of bottom design of fire grate, a pyramid type recoiling device is installed between ash storage room and the fire grate, 24~48 through holes are arranged above the recoiling device cone, compressed air inlet pipe is welded on the lower right side of body of heater, and blast pipe is welded on the lower-left side of body of heater, and the upper left quarter of blast pipe and ash storage room links, ash releasing tube of welding below the ash storage room, the coupling flange of body of heater bottom links by attachment bolt and base.
CN2008100214857A 2008-08-18 2008-08-18 Integration biomass gasification stove catalytic splitting process and device thereof Expired - Fee Related CN101338204B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102399591A (en) * 2011-09-27 2012-04-04 中国科学院广州能源研究所 Middle air supply type garbage gasifying furnace
CN101486929B (en) * 2009-02-16 2012-05-09 熊天东 Biomass non-pressure gas making machine
CN101698805B (en) * 2009-10-30 2013-05-15 上海锅炉厂有限公司 Dry process coaling slag film gasifier
CN104284966A (en) * 2012-05-18 2015-01-14 日本蓝色能源株式会社 Biomass gasifier device
CN106147871A (en) * 2016-08-17 2016-11-23 沈阳农业大学 A kind of biomass gasifying furnace and the method for three grades of performing catalytic pyrolysis on tars
WO2017050231A1 (en) * 2015-09-24 2017-03-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Industrial furnace integrated with biomass gasification system
CN106635171A (en) * 2016-12-26 2017-05-10 赛鼎工程有限公司 Method and equipment for producing coal gas through biomass pressurized gasification
CN106949630A (en) * 2017-04-26 2017-07-14 宁夏凤城永生锅炉有限公司 Heating furnace
CN110205148A (en) * 2019-04-24 2019-09-06 杨晓鑫 A kind of medical industry solid waste cracking gasification processing equipment
CN113913207A (en) * 2021-11-22 2022-01-11 湖南万有能源科技股份有限公司 Biomass gas furnace and use method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96321C (en) * 1993-06-11 1996-06-10 Enviropower Oy Method and reactor for treating process gas
CN1098910C (en) * 2000-01-12 2003-01-15 中国科学技术大学 Thermal-cracking decoking biomass gasification furnace
GB0325668D0 (en) * 2003-11-04 2003-12-10 Dogru Murat Intensified and minaturized gasifier with multiple air injection and catalytic bed
CN101225315B (en) * 2007-12-18 2011-03-23 中国科学院广州能源研究所 Method and device for biomass compound gasification

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101486929B (en) * 2009-02-16 2012-05-09 熊天东 Biomass non-pressure gas making machine
CN101698805B (en) * 2009-10-30 2013-05-15 上海锅炉厂有限公司 Dry process coaling slag film gasifier
CN102399591A (en) * 2011-09-27 2012-04-04 中国科学院广州能源研究所 Middle air supply type garbage gasifying furnace
CN104284966A (en) * 2012-05-18 2015-01-14 日本蓝色能源株式会社 Biomass gasifier device
CN104284966B (en) * 2012-05-18 2016-10-26 日本蓝色能源株式会社 The gasification installation of biomass
WO2017050231A1 (en) * 2015-09-24 2017-03-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Industrial furnace integrated with biomass gasification system
CN106147871A (en) * 2016-08-17 2016-11-23 沈阳农业大学 A kind of biomass gasifying furnace and the method for three grades of performing catalytic pyrolysis on tars
CN106147871B (en) * 2016-08-17 2018-09-11 沈阳农业大学 A kind of method of biomass gasifying furnace and three-level performing catalytic pyrolysis on tar
CN106635171A (en) * 2016-12-26 2017-05-10 赛鼎工程有限公司 Method and equipment for producing coal gas through biomass pressurized gasification
CN106635171B (en) * 2016-12-26 2019-10-29 赛鼎工程有限公司 A kind of method and apparatus of biomass pressurized gasification production coal gas
CN106949630A (en) * 2017-04-26 2017-07-14 宁夏凤城永生锅炉有限公司 Heating furnace
CN110205148A (en) * 2019-04-24 2019-09-06 杨晓鑫 A kind of medical industry solid waste cracking gasification processing equipment
CN113913207A (en) * 2021-11-22 2022-01-11 湖南万有能源科技股份有限公司 Biomass gas furnace and use method thereof

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