CN201507956U - Household biomass gasifier - Google Patents
Household biomass gasifier Download PDFInfo
- Publication number
- CN201507956U CN201507956U CN2009201117746U CN200920111774U CN201507956U CN 201507956 U CN201507956 U CN 201507956U CN 2009201117746 U CN2009201117746 U CN 2009201117746U CN 200920111774 U CN200920111774 U CN 200920111774U CN 201507956 U CN201507956 U CN 201507956U
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- air
- burner
- gas
- air distribution
- combustible gas
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Abstract
The utility model relates to a household biomass gasifier, which comprises a gasifer body capable of converting fuel into low-calorific-value combustible gas, an AC and DC variable speed fan capable of sending air to the gasifier body, and a gas burner capable of burning combustible gas to supply heat, wherein the air outlet pipeline of the fan is divided into two pipelines, and one pipeline is connected to the lower part of a grate at the lower part of the gasifer body; air is sent into a gasifying chamber through a plurality of air inlet holes on the grate, and the other pipeline is connected to the back end of a two-stage purifying device through an air distribution pipeline and is connected with a combustible gas conveying pipe; and a fuel gasifying chamber positioned at the upper part inside the gasifer body is connected with the two-stage purifying device through an air outlet pipe. The combustible gas treated by a first-stage purifying device and a two-stage purifying device and the air conveyed by the fan are mixed at the back end of the two-stage purifying device to carry out the compulsory air distribution, and the air distribution quantity is that 1m3 combustible gas is mixed with 15 percent to 20 percent of air; and the mixed combustible gas can flow into a core inside the gas burner along the tangent direction through a mixed gas inlet pipeline. The gasifier has the advantages of multiple fuels, easy operation and environment protection.
Description
Technical field:
The utility model relates to a kind of household biomass gasifier.
Background technology:
At present, existing gas generator and biomass gasifying furnace, though coal gas and biogas can be provided, but its fuel type is single, purposes is narrow and small and gas production is little, be difficult for igniting, operating difficulties, can't use during power failure, can produce a large amount of tar during work and cause serious environmental to pollute, tar also has infringement to body of heater itself, and household biomass gasifier does not have special-purpose burner, the burner that existing household biomass gasifier uses generally all is at piped gas, liquefied gas, the contour calorific value fuel gas exploitation of natural gas, in use pipeline and burner can often be stopped up by tar, are unfavorable for maintenance, service life is short, therefore the air inflow air distribution, is necessary prior art is innovated at above deficiency than the fuel gas with low heat value that all is not suitable for the household biomass gasifier output.
Summary of the invention:
The purpose of this utility model is to provide a kind of household biomass gasifier, and its structure forms with reference to gas gasification stove, the relevant theory innovation exploitation of cleaning equipment structure on traditional gas generator principle basis.
The utility model is a raw material with the residue of grass, wood, bavin standing grain, straw, production of forestry or waste material and brown coal, mud coal etc., raw material is the vaporizer space sealing in gasification furnace, by blower fan the air as catalyst is fed through in the gasification furnace, raw material generates under 750 ℃～850 ℃ temperature and contains low-calorie fuel gas such as carbon monoxide, hydrogen and methane through the combustion reaction of control oxygen.Fuel gas from the stove through piping to secondary purification equipment, be fed through burner again through secondary purification equipment and burn and heat supply.
This household biomass gasifier, comprise a body of heater that fuel is converted to the low heat value fuel gas, in body of heater, send into the AC/DC speed-changing draught fan of air and the gas burner of a burning combustible gas heat supply for one, it is characterized in that: the wind pipe of said blower fan is divided into two, article one, pass under the grate of body of heater bottom, the a plurality of air admission holes of air on grate are fed through vaporizer, and another is connected to the rear end of two-stage purification device by the air distribution pipeline and is connected with the fuel gas appendix; Superposed fuel gasification chamber connects two-stage purification device by escape pipe in the body of heater, and the combustible gas after one, two two-stage purification devices are handled mixes in the second cleaner rear end with the air that transports by blower fan and carries out mandatory air distribution, and the air distribution amount is pressed 1m
3Fuel gas is sneaked into 15～20% air, and mixed combustible gas enters into the fuse of gas burner inside with tangential direction by the air mixture admission line.
The air distribution control valve of control air distribution amount is housed on the described air distribution pipeline, the gas control valve of control air inflow is housed on the air mixture admission line.
Control the size of combustor air inlet amount by regulating the speed-changing draught fan rotating speed in the described air feed combustion process; When rotation speed of fan one regularly, the size of regulating the burner firepower by gas control valve and air distribution control valve.
Described AC/DC blower fan is furnished with electric control box, a reserve battery of connecting when having a power failure is arranged in the box, two sockets are housed on the box, the 220v AC outlet of the usefulness of grafting when being operate as normal, another is 6～12v direct current socket of grafting usefulness when having a power failure.
Described burner top is the annulus female cap, the sealing of one circular slab is arranged at the bottom, the circular slab center has one to install and fix the hole, be interspersed with the bolt that burner shell is fixed in the fixing hole, be placed with a burner fuse on the bolt, 1/2 place that the edge suitable for reading of burner fuse is positioned at annulus female cap thickness connects, and the pipe shape housing lower side tangential direction of burner has a slotted eye, and the air mixture admission line is communicated between burner inner wall and the burner fuse by slotted eye.
Described burner fuse is circular cup-shaped, its bottom sealing, and inwall has the circular hole of a plurality of miter angles obliquely all around.
The utility model compared with prior art has following advantage:
1, adopted one, two two-step purification equipment, can effectively purify tar and steam, the combustible gas purifying rate reaches 90%.
2, the air of blower fan conveying and combustible gas are incorporated in a pipeline and force air distribution, and simplified structure reduces cost; Easy and simple to handle in the course of the work, igniting is easy, and the discharging of tar reduces.
3, adopt adjustable pressure air distribution, reached the best combustion effect.The combustion value 12000kcal/m of present liquefied gas
3, the combustion value 8500kcal/m of natural gas
3, the combustion value 4000kcal/m of piped gas
3, and the combustion value of household biomass combustion gas is 1250kcal/m
3, because the calorific value of liquefied gas, natural gas and piped gas is all than the calorific value height of household biomass combustion gas, they can adopt the nature air distribution, and the household biomass combustion gas just needs to increase adjustable pressure air distribution.
This household biomass gasifier has the advantage of many fuel, easy to operate, environment-friendly type, and its burner is the burner of the biological fuel gas that matches with it, has complete, high temperature resistant, the outward appearance novel features of burning.
4, the combustible gas air inlet enters from burner housing inwall tangential direction, and burner fuse inwall is provided with a plurality of cores hole, and the air-flow curl is sprayed to fuse, and firepower is concentrated, and reaches the effect of saving combustion gas; Residu tar is fully burnt, improve fuel gases calorific value.
5, the movable installation of burner fuse, impurity such as the carbon distribution of convenient cleaning fuse, tar, dust.
6, adopt the AC/DC speed-changing draught fan, according to circumstances the size of regulated at will gas production and can use the battery that is equipped with 6～12v when having a power failure guarantees to continue heat supply.
7, use high-alumina refractory cement to do insulation, can prolong the service life of household biomass gasifier.
Description of drawings:
Fig. 1 is a structural principle schematic diagram of the present utility model.
Fig. 2 is the A-A cross section view among Fig. 1.
Fig. 3 is the floor map of burner.
Fig. 4 is the B-B cross section view among Fig. 3.
The specific embodiment
The household biomass gasifier that the utility model proposes further describes below in conjunction with accompanying drawing 1-4.
As figure, a columniform fuel gasification chamber 36 is arranged in the body of heater, around the vaporizer flue that high-alumina refractory cement layer 38 forms, refractory cement layer outside is steel plate body of heater shell 34.Upper of furnace body is that the cast iron furnace roof 35 of circular hollow is connected with inboard wall of furnace body, a removable circular bell 3 is arranged on the furnace roof, bell is connected with furnace sealing by two compressing members 2 on the furnace roof, there is a circular hole 1 at the bell center, by circular hole a raw material compressor arm 37 is set, a hemispherical grate 39 is arranged at the body of heater bottom, and grate is provided with a plurality of air admission holes 40, air admission hole becomes miter angle with grate, and the air that the body of heater bottom enters shape in the shape of a spiral is fed through vaporizer; Furnace bottom is provided with a base 31, a pipeline opening 32 is set below the base, blower fan 26 is connected with pipeline opening, Fan pipeline is divided into two pipelines in stove, article one, the parallel grate bottom that enters, another upwards passes to an interface 25 of body of heater arranged outside, and this interface is connected to the rear end of two-stage purification device and with fuel gas appendix 10 by air distribution pipeline 11; An air distribution control valve 24 is housed on the air distribution pipeline.Body of heater bottom one side has an ash disposal mouth 33, pass to the grate bottom in the body of heater, body of heater one upper lateral part has an escape pipe 4, escape pipe connects vaporizer and first class purification device 7, first class purification device top is provided with a smoke evacuation examination fire tube 5, a fiery control valve 6 of examination is housed on the examination fire tube, and the first class purification device passes to secondary purification device 9 by pipeline 8; A coke discharging mouth 23 is all respectively arranged at the bottom of I and II purifier, coke discharging mouth pipeline respectively is equipped with a drain valve 22, the secondary purification device is connected to burner by combustible gas appendix 10 and air mixture admission line 13, and a gas control valve 12 is housed on the pipeline.
The housing 16 of burner is the pipe shape, the material carbon steel pipe, top is annulus female cap 15, the lower side tangential direction has a slotted eye, slotted eye one termination air mixture admission line 13, and pipeline is provided with a gas control valve 12, pipeline by slotted eye to burner inside, the sealing of one circular slab 19 is arranged at the bottom, and there is a circular mounting fixing hole 20 at the circular slab center, and this hole can be passed that bolt 18 is connected with stove and fix.Burner fuse 14 is circular cup-shaped, 17 sealings of burner fuse bottom, be provided with upwards a plurality of circular holes 21 of miter angle around the burner fuse wall, the burner fuse can be put into from the interior ring of annulus female cap, burner fuse bottom places the top of furnace shell set bolt, and the marginal position suitable for reading of burner fuse is at 1/2 place of annulus female cap thickness.
The AC/DC blower fan that the utility model adopts, is furnished with electric control box 27, a reserve battery 30 is arranged in the box, two sockets are housed on the box, one connects 220v AC outlet 28, one connects 6～12v direct current socket 29, and the blower fan plug is connected in the AC outlet during operate as normal, and the blower fan socket is connected on the direct current socket during power failure.
The course of work of the present utility model:
Raw material is put into stove, the raw material in the ash disposal mouth 33 igniting ignition furnaces of body of heater bottom, and sealing ash disposal mouth and bell 3 are opened blower fan 26, and blower fan is blown into the air as catalyst in the body of heater to mix to burn with raw material and promptly produces elementary gas.The elementary gas of Jing Huaing to first class purification device 7, has not reduced wherein particle and dust impurity through this grade purification through escape pipe 4, can effectively reduce tar content.Elementary gas again through connecting pipe 8 to secondary purification device 9, this grade purification separation wherein steam and reduce tar content once more, elementary gas becomes pure fuel gas through double purification, the purifying rate that has separated the fuel gas of dust, moisture content and tar reaches 90%, and the fuel gas after the purification is delivered to the burner combustion heat supply through appendix 10.Combustion gas enters into burner inside with tangential direction, and at the inner spiral ascending air that forms of burner, this air communication crosses that the circular hole 21 on the wall enters fuse 14 around the fuse, forms entad air-flow of helical form in fuse, manually lights combustion gas, gets final product heat supply.It is that air that blower fan is carried is incorporated combustible gas gas pipeline 10 by air distribution pipeline 11 in the second cleaner rear end and mixed mandatory air distribution that burner is forced air distribution.Rotation speed of fan one timing, the air distribution amount is controlled by air distribution control valve 24.During incomplete combustion, it is orange that flame is, and the air distribution control valve opens 3/4; Burn when complete, it is blue that flame is, air distribution control valve standard-sized sheet.This forces air distribution owing to be barotropic state, and the temperature of mist does not reach burning-point, thereby can not blast about 60 ℃ in the pipeline.
Can control the size of combustor air inlet amount by regulating speed-changing draught fan in the fuel gas buring heat supplying process, the size of regulating firepower by gas control valve and air distribution control valve, can connect the work of reserve battery air feed machine during power failure, reserve battery is supporting electric control box, control box is equipped with 2 sockets, and one meets AC outlet 220v, and one is direct current socket 6～12v, the blower fan plug is connected in the AC outlet during operate as normal, and the blower fan socket is connected on the direct current socket during power failure.
Claims (6)
1. household biomass gasifier, comprise a body of heater that fuel is converted to the low heat value fuel gas, in body of heater, send into the AC/DC speed-changing draught fan of air and the gas burner of a burning combustible gas heat supply for one, it is characterized in that: the wind pipe of said blower fan is divided into two, article one, pass under the grate (39) of body of heater bottom, the a plurality of air admission holes (40) of air on grate are fed through vaporizer (36), and another is connected to the rear end of two-stage purification device by air distribution pipeline (11) and is connected with fuel gas appendix (10); Superposed vaporizer (36) connects one, two two-stage purification devices (7,9) by escape pipe (4) in the body of heater, and combustible gas after treatment mixes in the second cleaner rear end with the air that transports by blower fan (26) and carries out mandatory air distribution, and the air distribution amount is pressed 1m
3Fuel gas is sneaked into 15～20% air, and mixed combustible gas enters in the gas burner with tangential direction by air mixture admission line (13).
2. household biomass gasifier as claimed in claim 1 is characterized in that: the air distribution control valve (24) of control air distribution amount is housed on the air distribution pipeline (11), the gas control valve (12) of control air inflow is housed on the air mixture admission line (13).
3. household biomass gasifier as claimed in claim 1, it is characterized in that: AC/DC blower fan (26) is furnished with electric control box (27), a reserve battery (30) of connecting when having a power failure is arranged in the box, two sockets are housed on the box, the AC outlet (28) of the usefulness of grafting when being operate as normal, another is the direct current socket (29) of grafting usefulness when having a power failure.
4. household biomass gasifier as claimed in claim 1, it is characterized in that: annulus female cap (15) is arranged at gas burner top, one circular slab (19) sealing is arranged at the bottom, the circular slab center has one to install and fix hole (20), be interspersed with the bolt (18) that burner shell is fixed in the fixing hole (20), be placed with a burner fuse (14) on the bolt, 1/2 place that the edge suitable for reading of burner fuse is positioned at annulus female cap thickness connects, pipe shape housing (16) the lower side tangential direction of burner has a slotted eye, and air mixture admission line (13) is communicated between burner inner wall and the burner fuse (14) by slotted eye.
5. household biomass gasifier as claimed in claim 1 is characterized in that: the air admission hole (40) of a plurality of one-tenth miter angles is arranged on the hemispherical grate (39) of body of heater bottom, and the air curl that the body of heater bottom enters is sent into vaporizer.
6. household biomass gasifier as claimed in claim 4 is characterized in that: burner fuse (14) is circular cup-shaped, its bottom (17) sealing, and inwall has the circular hole (21) of a plurality of miter angles obliquely all around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201117746U CN201507956U (en) | 2009-08-06 | 2009-08-06 | Household biomass gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201117746U CN201507956U (en) | 2009-08-06 | 2009-08-06 | Household biomass gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507956U true CN201507956U (en) | 2010-06-16 |
Family
ID=42469083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201117746U Expired - Fee Related CN201507956U (en) | 2009-08-06 | 2009-08-06 | Household biomass gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010653A (en) * | 2016-06-29 | 2016-10-12 | 温洲 | Biomass gasifier |
-
2009
- 2009-08-06 CN CN2009201117746U patent/CN201507956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010653A (en) * | 2016-06-29 | 2016-10-12 | 温洲 | Biomass gasifier |
| CN106010653B (en) * | 2016-06-29 | 2019-01-04 | 靳琦 | Biomass gasifying furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20140806 |
|
| EXPY | Termination of patent right or utility model |