CN102994150B - Gasifying method and vertical air inlet device of biomass gasifier - Google Patents
Gasifying method and vertical air inlet device of biomass gasifier Download PDFInfo
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- CN102994150B CN102994150B CN201210550850.XA CN201210550850A CN102994150B CN 102994150 B CN102994150 B CN 102994150B CN 201210550850 A CN201210550850 A CN 201210550850A CN 102994150 B CN102994150 B CN 102994150B
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- air outlet
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- 239000002028 Biomass Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 10
- 238000002309 gasification Methods 0.000 abstract description 10
- 239000000446 fuel Substances 0.000 abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 6
- 238000006722 reduction reaction Methods 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 13
- 238000009826 distribution Methods 0.000 description 7
- 238000010411 cooking Methods 0.000 description 6
- 238000007600 charging Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 235000011089 carbon dioxide Nutrition 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- -1 after gasification Chemical compound 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
本发明公开了一种生物质气化炉气化方法及竖立式进风装置，在燃料底部分层形成燃烧层，进风装置分为两层，先由点火装置点火，形成高低两个燃烧层，低燃烧层为高温层产生二氧化碳，高燃烧层为还原层，将二氧化碳与还原层灼热的碳接触发生还原反应，生成可燃性气体一氧化碳。各出风管（3）竖立在炉膛（2）内的进料口（4）周围均匀地呈环形分布，出风管（3）分为长出风管和短出风管两种，且长出风管和短出风管彼此相邻分布；本发明生物质气化炉气化稳定，通过长出风管和短出风管彼此相邻分布能实现风场和风压均匀，能让炉膛内实现两层燃烧；燃烧均匀，从而有利于实现控制炉膛温度在600度至650度之间；排污管和排污阀与排污口的设计，有利于防止风道堵塞。
The invention discloses a biomass gasification furnace gasification method and a vertical air inlet device. A combustion layer is formed in layers at the bottom of the fuel. The air inlet device is divided into two layers. The ignition device is first ignited to form two upper and lower combustion layers. , the low combustion layer is the high temperature layer to produce carbon dioxide, and the high combustion layer is the reduction layer, and the carbon dioxide is contacted with the hot carbon in the reduction layer to undergo a reduction reaction to generate flammable gas carbon monoxide. The air outlet pipes (3) are erected in the furnace (2) and evenly distributed in a ring around the feed inlet (4). The air outlet pipes (3) are divided into long air outlet pipes and short air outlet pipes. The air outlet pipe and the short air outlet pipe are arranged adjacent to each other; the biomass gasifier of the present invention has stable gasification. Realize two-layer combustion; uniform combustion, which is conducive to controlling the temperature of the furnace between 600 and 650 degrees; the design of the sewage pipe, sewage valve and sewage outlet is conducive to preventing the blockage of the air duct.
Description
Technical field
The invention belongs to solid-fuelled domestic burners or kitchen range, relate to a kind of biomass gasifying furnace gasification process and erect-type air inlet device.
Background technology
At present fixed bed biomass gasification furnace is to fuel air blast by grate or furnace wall blast inlet, meeting formation burner hearth wind field and blast are inhomogeneous, if wanting cooking stove normally works, burner hearth local temperature can exceed 800 degree, easily generate slagging scorification (fuel slagging temperature is generally 680 degree), because slagging scorification meeting affects furnace ventilation performance, vapourizing furnace cannot be worked long hours continuously.So need one fire box temperature can be controlled between 600 degree to 650 degree, the uniform device of wind field and blast solves the slagging scorification problem of biomass gasifying furnace.Therefore, prior art scheme also need further perfect.
Summary of the invention
The object of the invention is to provide a kind of biomass gasifying furnace gasification process and makes air intake and the erect-type air inlet device of the uniform biomass gasifying furnace of blast, controls fire box temperature between 600 degree to 650 degree thereby effectively realize.
One of technical solution of the present invention: a kind of biomass gasifying furnace gasification process, form zone of combustion in fuel bottom layering, air inlet device is two-layer, first use inflammable substance, after igniting, form two zone of combustion of height at the air outlet of two-layer air inlet device, low zone of combustion is heat zone, produce carbonic acid gas, high combustion layer top is reducing zone, the carbonic acid gas carbon scorching hot with reducing zone is contacted reduction reaction occurs, generate inflammable gas carbon monoxide, after gasification, carbon monoxide burns again, in the time that normally working, cooking stove closes inflammable substance entrance, by charging postcombustion, continue to produce carbon monoxide.
Two of technical solution of the present invention: the erect-type air inlet device of a kind of biomass gasifying furnace, it comprises that air door, air channel and air outlet tube order are communicated with, air channel is in the inlet ambient annular spread of opening for feed, the opening for feed that described each air outlet tube is erected in burner hearth around distributes equably ringwise, air outlet tube in same circumferential ring is divided into and grows two kinds of airduct and short air outlet tubes, and grows airduct and the distribution adjacent one another are of short air outlet tube.
Growing one or both in these two kinds of air outlet tubes of airduct and short air outlet tube is erected in burner hearth centroclinal to burner hearth.
Air outlet tube on adjacent circumferential ring is diametrically for growing airduct and the distribution adjacent one another are of short air outlet tube, or for growing airduct and short air outlet tube adjacent distributions interlaced with each other.
The opening for feed that described each air outlet tube is erected in burner hearth is scattered in two circumferential ring around equably ringwise.
The air outlet of air outlet tube is on pipe shaft.
Biomass gasifying furnace of the present invention gasification is stable, by growing airduct and the distribution adjacent one another are of short air outlet tube can realize wind field and blast is even, can allow in burner hearth and realize two-layer burning; Burning evenly, in burner hearth, temperature is also more even, in the situation that reducing burner hearth air output, also can guarantee gas production rate, and there will not be localized hyperthermia, it is suitable that maximum burner hearth air output is adjusted, by airdoor control wind-force size, control fire box temperature between 600 degree to 650 degree thereby be conducive to realize.
Accompanying drawing explanation
The structural representation of Fig. 1, the embodiment of the present invention 1.
In Fig. 1: lighter for ignition 1, burner hearth 2, air outlet tube 3, opening for feed 4, air channel 5, air door 6, material level inductor block 7, material level induction rod 8, diaphragm seal 9, gas outlet 10, material level check-out console 11.
Embodiment
The present invention can specifically implement by the technical scheme in summary of the invention, and by the following examples can the invention will be further described, but scope of the present invention is not limited to following embodiment.
Embodiment 1:
Lighter for ignition 1 is connected with burner hearth 2, and air outlet tube 3 is connected with air channel 5, and opening for feed 4 is connected with burner hearth 2, air channel 5 is connected with air door 6, and material level inductor block 7 is connected with burner hearth 2, and one end of material level induction rod 8 is material level check-out console 11, diaphragm seal 9 is connected with material level induction rod 8, and gas outlet 10 connects with burner hearth 2 fire doors.
Air door 6, air channel 5 and air outlet tube 3 order are communicated with, air channel 5 is in the inlet ambient annular spread of opening for feed 4, the opening for feed 4 that described each air outlet tube 3 is erected in burner hearth 2 is scattered in two circumferential ring around equably ringwise, air outlet tube 3 in same circumferential ring is divided into and grows two kinds of airduct and short air outlet tubes, and grow airduct and the distribution adjacent one another are of short air outlet tube, the air outlet of air outlet tube 3 on pipe shaft in horizontal direction.
Growing airduct and short air outlet tube, to be erected at burner hearth 2 interior centroclinal to burner hearth 2.
Air outlet tube 3 in adjacent two circumferential ring is diametrically for growing airduct and the distribution adjacent one another are of short air outlet tube, or for growing airduct and short air outlet tube adjacent distributions interlaced with each other.
Working process
When cooking stove is started working, opening for feed 4 is to burner hearth 2 chargings, in the time that fuel height arrives material level check-out console 11 position, by material level induction rod 8, material level inductor block 7 is started to control, stop charging, now air door 6 is opened, and first inflammable gas is filled with to air channel 5 as liquefied gas, air channel 5 is by air outlet tube 3 to burner hearth 2 air blast, and inflammable gas enters in burner hearth 2; Lighter for ignition 1 is to burner hearth 2 fuel igniting simultaneously, and the air outlet that grows airduct and short air outlet tube forms firing level; In the time that normally working, cooking stove closes lighter for ignition 1 and inflammable gas entrance.Short air outlet tube is for generation of heat zone, for fuel provides pyrolysis energy, grow airduct for maintaining reducing zone temperature, heat zone is exactly zone of combustion, product is carbonic acid gas, belong to waste gas, the upper strata of heat zone is reducing zone, belong to scorching hot carbon-coating, when the carbonic acid gas that heat zone produces moves to gas outlet 10 by scorching hot carbon-coating, the carbon scorching hot with reducing zone contacts reduction reaction occurs, and generates inflammable gas carbon monoxide, the carbon dioxide reduction that heat zone is produced becomes carbon monoxide, improves fuel gas rate.Because air outlet tube 3 is being uniformly distributed of burner hearth 2 interior spaces, the wind field, the wind pressure ratio that are diffused into burner hearth 2 are more even, and in burner hearth, temperature is also just more even.Damper 6, makes zone of combustion temperature between 600 degree to 650 degree, just can control cooking stove and in combustion processes, not produce slagging scorification phenomenon.Diaphragm seal 9 can prevent gas leaking, and gas outlet 10 is exported inflammable gas.Along with the consumption of fuel, material level step-down, material level inductor block 7 starts feed mechanism, and burner hearth starts charging, in the time that fuel height arrives material level check-out console 11 position, by material level induction rod 8, material level inductor block 7 is started to control, and stops charging.And so forth, make cooking stove non-stop run.
Claims (3)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210550850.XA CN102994150B (en) | 2012-12-18 | 2012-12-18 | Gasifying method and vertical air inlet device of biomass gasifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210550850.XA CN102994150B (en) | 2012-12-18 | 2012-12-18 | Gasifying method and vertical air inlet device of biomass gasifier |
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| Publication Number | Publication Date |
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| CN102994150A CN102994150A (en) | 2013-03-27 |
| CN102994150B true CN102994150B (en) | 2014-05-14 |
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| CN201210550850.XA Expired - Fee Related CN102994150B (en) | 2012-12-18 | 2012-12-18 | Gasifying method and vertical air inlet device of biomass gasifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107099335A (en) * | 2014-12-28 | 2017-08-29 | 抚州孙氏兄弟实业有限公司 | A kind of wind belt biomass gasifying furnace of fuel feeding from bottom to top |
| CN109695960B (en) * | 2019-02-26 | 2024-03-19 | 扬州大唐热能机械制造有限公司 | Biomass water heater with multiple air distribution water cooling air pipes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337407Y (en) * | 1998-05-05 | 1999-09-08 | 韩连恩 | City garbage heat-gaining gasification furnace |
| CN1397763A (en) * | 2002-08-29 | 2003-02-19 | 北京浩业达高新技术发展有限公司 | Method and apparatus for treating garbage |
| CN2901060Y (en) * | 2005-12-15 | 2007-05-16 | 莫之民 | Automatic feeding top combustion type furnace of biomass granular materials |
| CN101749857A (en) * | 2010-01-27 | 2010-06-23 | 何忠海 | Multi-tube multiple air inlet horizontal coal-fired smokeless environment-friendly boiler |
| CN202989069U (en) * | 2012-12-18 | 2013-06-12 | 孙吉章 | Vertical type air inlet device of biomass gasifier |
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- 2012-12-18 CN CN201210550850.XA patent/CN102994150B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337407Y (en) * | 1998-05-05 | 1999-09-08 | 韩连恩 | City garbage heat-gaining gasification furnace |
| CN1397763A (en) * | 2002-08-29 | 2003-02-19 | 北京浩业达高新技术发展有限公司 | Method and apparatus for treating garbage |
| CN2901060Y (en) * | 2005-12-15 | 2007-05-16 | 莫之民 | Automatic feeding top combustion type furnace of biomass granular materials |
| CN101749857A (en) * | 2010-01-27 | 2010-06-23 | 何忠海 | Multi-tube multiple air inlet horizontal coal-fired smokeless environment-friendly boiler |
| CN202989069U (en) * | 2012-12-18 | 2013-06-12 | 孙吉章 | Vertical type air inlet device of biomass gasifier |
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| CN102994150A (en) | 2013-03-27 |
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