CN101059248A - Blowing type domestic biomass half-gasification oven production method and the gasification oven - Google Patents
Blowing type domestic biomass half-gasification oven production method and the gasification oven Download PDFInfo
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- CN101059248A CN101059248A CN 200710078314 CN200710078314A CN101059248A CN 101059248 A CN101059248 A CN 101059248A CN 200710078314 CN200710078314 CN 200710078314 CN 200710078314 A CN200710078314 A CN 200710078314A CN 101059248 A CN101059248 A CN 101059248A
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Abstract
The present invention discloses a airblast domestic biomass semi-gasification furnace, it adds biomass fuel into furnace through the material-adding device up the burner, the biomass fuel starts burning after it is ignited, at the same time, oxygen needed by biomass burning can be supplied through the furnace bridge, aerator and its air transportation conduits, the burning state can be controlled by adjusting the gas supply valve to make it reach gasifying state as possible. Due to the specific density of combustible gas is small, the combustible gas generated by biomass can float up under the action of the gas in furnace and is mixed with air in gas mixing room. The air in gas mixing room is supplied by the aerator and its air transportation conduits, and the mixing air amount can be regulated by adjusting the gas supply valve. Later, the mixed gas drifts into burner continuously and is mixed and burned with air again in burner. The air supplied to burner can be carried in burner through the gas inlet on the burner cylindrical surface. Obviously, the airblast domestic biomass semi-gasification furnace in the invention need not collect, purify and transmit the combustible gas generated by biomass burning and gasifying, the tar processing issue is not existed, it overcomes the shortcomings in prior technology. Due to the combustible gas generated by the airblast domestic biomass semi-gasification furnace in the invention is not collected, purified and transmitted under sealing condition, the burning in burner is not completely the burning of combustible gas, it also includes the flame of biomass burning and gasifying, so it is named with semi-gasification furnace.
Description
Technical field
The present invention relates to the preparation method and the gasification furnace of blowing type domestic biomass half-gasification oven.
Background technology
Domestic biomass gasification stove is to utilize living beings (as: agricultural waste material such as stalk, rice husk, branch, weeds or house refuse etc.) to burn under anaerobic condition, make most of combustible species be converted into fuel gas, through cooling, purify after for uses such as cooking, heatings.Common household gasification furnace comprises updraft type fixed-bed gasification furnace and downdraft fixed-bed gasification furnace.Updraft type fixed-bed gasification furnace basic structure is a cylindrical tubbiness body of heater, also can adopt square tubbiness cylinder, is lined with refractory material at inboard wall of furnace body, and the body of heater bottom is connected with air intake pipe, and upper of furnace body has the sealing loam cake.During use living beings are put into body of heater, the igniting airtight burning in back is only carried air by air blast in body of heater, and the control air input just can guarantee the anoxycausis of living beings, generates fuel gas.Top at body of heater is provided with the fuel gas gathering-device usually, and the pipeline of outside transporting combustible gases is arranged.At present, household gasification furnace mostly is a split-type structural, be that gasification furnace separates with burner, after gasification furnace is collected the fuel gas of living beings gasification back formation, be transported to cooling device, filter or tar separation device etc. by pipeline, to remove dust in the fuel gas, tar etc., be transported to burner combustion again.And the most unmanageable in this course of conveying be exactly tar in the combustion gas, higher because of its content, in course of conveying, may be deposited in pipeline or cooling device and the filter, cause gas pipeline or device to block, form secondary pollution or the like.In addition,, then may cause fuel gases calorific value lower if tar separation is not thorough, can not effective use of energy sources, phenomenons such as burner collection charcoal obstruction.Therefore, the tar content that how to reduce in the household gasification furnace combustion gas becomes the important topic that it is promoted the use of.
The fuel gas that above-mentioned domestic biomass gasification stove produced need be collected and carry, so structure is comparatively complicated.And, limited the domestic biomass gasification stove promotion and application to a great extent because the existence of tar makes that collection, purification and the conveying of fuel gas are more complicated and difficult.
Summary of the invention
For solving defectives such as existing domestic biomass gasification stove fuel gas collection, difficulty of transportation, tar difficult treatment and complex structure, the present invention proposes a kind of preparation method and gasification furnace of blowing type domestic biomass half-gasification oven.
The preparation method of blowing type domestic biomass half-gasification oven of the present invention directly links to each other the biomass combustion vaporizer with burner, the gasification furnace bottom is that biomass combustion vaporizer, top are burner, adopt air blast in stove, to carry air, and regulate the air inlet amount of gasification furnace different parts by gas flow regulating valve.
Blowing type domestic biomass half-gasification oven of the present invention adopts square or circular barrel-like structure, biomass combustion vaporizer (being designated hereinafter simply as vaporizer) is directly linked to each other with burner, the gasification furnace bottom is that vaporizer, top are burner, be provided with fuel gas and air mixing chamber (being designated hereinafter simply as mixing chamber) between vaporizer and burner, the air blast of gasification furnace outside is connected with mixing chamber with vaporizer respectively by airflow pipe.
Half-gasification oven air blast airflow pipe of the present invention is at least two groups, wherein one group of air intlet is connected with the air inlet hole of vaporizer and mixing chamber, another group air intlet is connected with the air inlet hole of burner, and, be provided with gas flow regulating valve on the pipeline of each group.
The air inlet hole of half-gasification oven vaporizer of the present invention is equally distributed along the cylinder circumference of cylindrical vaporizer, and the air inlet hole of mixing chamber is equally distributed along the conical surface circumference of trapezoidal conical mixing chamber.
The air inlet passage of half-gasification oven vaporizer of the present invention and mixing chamber is the hollow cylinder shape.
Half-gasification oven of the present invention can be provided with cushioning fender between burner and chimney, also cushioning fender can be set.
The kitchen range of half-gasification oven of the present invention are supported for thin walled cylindrical, and empty disk in is arranged at the top of thin walled cylindrical, and disk external diameter and thin wall cylindrical are tightly connected, and diameter empty in the disk is less than the kitchen range external diameter.
Half-gasification oven of the present invention is provided with chimney at the end that kitchen range support.
Half-gasification oven burner of the present invention is arranged on the gasification furnace top and is thin walled cylindrical, and is evenly distributed with the air inlet hole on the cylinder of thin wall cylindrical.
The top of half-gasification oven burner of the present invention is provided with feeding material device, and the charging push pedal is arranged on feeding material device rectangular duct inside, and the reverse taper hopper is arranged on feeding material device rectangular duct top.
Blowing type domestic biomass half-gasification oven of the present invention adds biomass fuel by the feeding material device of burner top in stove, igniting artifact matter fuel takes fire, at this moment, the required oxygen of biomass combustion can be by grate and air blast and airflow pipe supply thereof, by controlling the fired state of living beings, make it reach vaporized state as far as possible to regulate steam supply valve.The fuel gas that living beings produce mixes with air at mixing chamber because less the making progress under the effect of furnace gas of its proportion drifted about.The air of mixing chamber is supplied with by air blast and airflow pipe thereof, by the air capacity that can regulate mixing with the adjusting steam supply valve.Subsequently, mist continues to drift about to burner, and mixes once more with air and burn at burner.The air of supplied burner can be by the input of the air admission hole on burner cylinder burner.Obviously, blowing type domestic biomass half-gasification oven of the present invention does not need the fuel gas of biomass combustion gasification is collected, purified and transmits, and does not have the handling problem of tar, has overcome the deficiencies in the prior art.Because the fuel gas that blowing type domestic biomass half-gasification oven of the present invention produces is not collected under airtight condition, is purified and transmission, burner not exclusively is the burning of fuel gas, the flame that also has the biomass combustion gasification is so be referred to as half-gasification oven with it.
Description of drawings
Accompanying drawing 1 is a blowing type domestic biomass half-gasification oven structural representation of the present invention
Accompanying drawing 2 is the expansion schematic diagrames in blowing type domestic biomass half-gasification oven vaporizer air inlet of the present invention hole.
Accompanying drawing 3 is the expansion schematic diagrames in blowing type domestic biomass half-gasification oven mixing chamber air inlet of the present invention hole
Accompanying drawing 4 is blowing type domestic biomass half-gasification oven feeding material device plan structure figure of the present invention
Accompanying drawing 5 is that blowing type domestic biomass half-gasification oven feeding material device master of the present invention looks sectional structure chart
Below in conjunction with the drawings and specific embodiments the inventive method and gasification furnace are described further.
Accompanying drawing 1 is a blowing type domestic biomass half-gasification oven structural representation of the present invention, among the figure: the 1st, gasification furnace base of furnace body, the 2nd, ash-accepting chamber, the 3rd, grate, the 4th, vaporizer air inlet passage, the 5th, vaporizer air inlet hole, the 6th, vaporizer, the 7th, the vaporizer airflow pipe, the 8th, vaporizer air inflow control valve, the 9th, air blast, the 10th, mixing chamber air inflow control valve, the 11st, the mixing chamber airflow pipe, the 12nd, mixing chamber air inlet hole, the 13rd, burner air air admission hole, the 14th, feeding material device charging push pedal, the 15th, the feeding material device hopper, the 16th, mixing chamber, the 17th, burner, the 18th, kitchen range support, the 19th, mixing chamber inlet channel, the 20th, chimney.As seen from the figure, living beings form fuel gas in vaporizer (6) internal combustion gasification back, under the lighter acting in conjunction of gasify furnace inner gas pressure and proportion, flow to mixing chamber (16), mix mutually with the air that enters by air admission hole (12) at this, subsequently, upwards flow to burner (17) again, and mix after-combustion once more with the air of sending into burner (17) by air admission hole (13).The air of vaporizer (6) is mainly from two passages, and the one, flow into vaporizer by ash-accepting chamber (2) outlet through grate (3), the 2nd, flow to inlet channel (4) by airflow pipe (7), flow into vaporizer by air admission hole (5).By regulating vaporizer air inflow control valve (8), can regulate the air capacity that is transported in the vaporizer, guarantee that vaporizer is in good working order.The air that flows into mixing chamber (16) then flows into inlet channel (19) by airflow pipe (11), enter mixing chamber (16) by air admission hole (12) again, by regulating mixing chamber air inflow control valve (10), can regulate the air capacity that is transported to mixing chamber, guarantee that the mixed proportion of air and fuel gas reaches best.
Accompanying drawing 2 is the expansion schematic diagrames in blowing type domestic biomass half-gasification oven vaporizer air inlet of the present invention hole.Among the figure, the 5th, the air inlet hole of vaporizer.This figure is the schematic diagram that along the circumferential direction launch cylindrical furnace wall.As seen from the figure, the air inlet hole of biomass combustion vaporizer is equally distributed along cylindrical cylinder circumference.
Accompanying drawing 3 is the expansion schematic diagrames in blowing type domestic biomass half-gasification oven mixing chamber air inlet of the present invention hole.Among the figure, the 12nd, the air inlet hole of mixing chamber.This figure is the schematic diagram that along the circumferential direction launch trapezoidal conical furnace wall.As seen from the figure, the air inlet hole of mixing chamber is equally distributed along the conical surface circumference of trapezoidal conical mixing chamber.
In addition, in this example in order to reduce the influence of funnel gases draft to burner flame, make the flame of burner concentrate on kitchen range bottom centre, between burner (17) and chimney (20), be provided with circular-arc cushioning fender (21), make the gas draft of chimney can not impact the flame of burner.
Claims (10)
1, a kind of biomass gasifying furnace manufacture method, adopt square or circular barrel-like structure, it is characterized in that: the biomass combustion vaporizer is directly linked to each other with burner, the gasification furnace bottom is that biomass combustion vaporizer, top are burner, adopt air blast in stove, to carry air, and regulate the air inlet amount of gasification furnace different parts by gas flow regulating valve.
2, a kind of domestic biomass gasification stove, profile is square or circular barrel-like structure, it is characterized in that: biomass combustion vaporizer (being designated hereinafter simply as vaporizer) is directly linked to each other with burner, the gasification furnace bottom is that vaporizer, top are burner, be provided with fuel gas and air mixing chamber (being designated hereinafter simply as mixing chamber) between vaporizer and burner, the air blast of gasification furnace outside is connected with mixing chamber with vaporizer respectively by airflow pipe.
3, according to the described gasification furnace of claim 2, it is characterized in that: the air blast airflow pipe is at least two groups, wherein one group of air intlet is connected with the air inlet hole of vaporizer and mixing chamber, another group air intlet is connected with the air inlet hole of burner, and, be provided with gas flow regulating valve on the pipeline of each group.
4, according to the described gasification furnace of claim 2, it is characterized in that: the air inlet hole of vaporizer is equally distributed along the cylinder circumference of cylindrical vaporizer, and the air inlet hole of mixing chamber is equally distributed along the conical surface circumference of trapezoidal conical mixing chamber.
5, according to the described gasification furnace of claim 2, it is characterized in that: the air inlet passage of vaporizer and mixing chamber is the hollow cylinder shape.
6, according to the described gasification furnace of claim 2, it is characterized in that: between burner and chimney, cushioning fender can be set, also cushioning fender can be set.
7, according to the described gasification furnace of claim 2, it is characterized in that: kitchen range are supported for thin walled cylindrical, and empty disk in is arranged at the top of thin walled cylindrical, and disk external diameter and thin wall cylindrical are tightly connected, and diameter empty in the disk is less than the kitchen range external diameter.
8, according to the described gasification furnace of claim 2, it is characterized in that: the end that kitchen range support is provided with chimney.
9, according to the described gasification furnace of claim 2, it is characterized in that: burner is arranged on the gasification furnace top and is thin walled cylindrical, and is evenly distributed with the air inlet hole on the cylinder of thin wall cylindrical.
10, according to the described gasification furnace of claim 2, it is characterized in that: the top of burner is provided with feeding material device, and the charging push pedal is arranged on feeding material device rectangular duct inside, and the reverse taper hopper is arranged on feeding material device rectangular duct top.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710078314 CN101059248A (en) | 2007-03-22 | 2007-03-22 | Blowing type domestic biomass half-gasification oven production method and the gasification oven |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710078314 CN101059248A (en) | 2007-03-22 | 2007-03-22 | Blowing type domestic biomass half-gasification oven production method and the gasification oven |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2397756A2 (en) | 2010-06-21 | 2011-12-21 | Windhager Zentralheizung Technik GmbH | Furnace for burning solid fuels |
| CN101666510B (en) * | 2009-09-14 | 2012-11-14 | 罗子焱 | Integrated internal cylinder for biomass semi-gasifier |
| CN103131474A (en) * | 2013-03-14 | 2013-06-05 | 丹东蓝天环保锅炉制造有限公司 | Direct-fired downdraft type gasification furnace |
| CN107036129A (en) * | 2017-05-23 | 2017-08-11 | 三河市亿亚能源设备制造有限公司 | A kind of biomass half-gasification oven with ignition tube |
| CN109628156A (en) * | 2018-12-11 | 2019-04-16 | 华中科技大学 | A kind of biomass pyrogenation gasification system and application |
| CN111750381A (en) * | 2020-06-23 | 2020-10-09 | 国网河北省电力有限公司电力科学研究院 | Hollow cylinder type biomass energy furnace |
-
2007
- 2007-03-22 CN CN 200710078314 patent/CN101059248A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666510B (en) * | 2009-09-14 | 2012-11-14 | 罗子焱 | Integrated internal cylinder for biomass semi-gasifier |
| EP2397756A2 (en) | 2010-06-21 | 2011-12-21 | Windhager Zentralheizung Technik GmbH | Furnace for burning solid fuels |
| CN103131474A (en) * | 2013-03-14 | 2013-06-05 | 丹东蓝天环保锅炉制造有限公司 | Direct-fired downdraft type gasification furnace |
| CN107036129A (en) * | 2017-05-23 | 2017-08-11 | 三河市亿亚能源设备制造有限公司 | A kind of biomass half-gasification oven with ignition tube |
| CN109628156A (en) * | 2018-12-11 | 2019-04-16 | 华中科技大学 | A kind of biomass pyrogenation gasification system and application |
| CN111750381A (en) * | 2020-06-23 | 2020-10-09 | 国网河北省电力有限公司电力科学研究院 | Hollow cylinder type biomass energy furnace |
| CN111750381B (en) * | 2020-06-23 | 2022-06-24 | 国网河北省电力有限公司电力科学研究院 | Hollow cylinder type biomass energy furnace |
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Open date: 20071024 |