CN202989069U - Vertical type air inlet device of biomass gasifier - Google Patents
Vertical type air inlet device of biomass gasifier Download PDFInfo
- Publication number
- CN202989069U CN202989069U CN 201220701651 CN201220701651U CN202989069U CN 202989069 U CN202989069 U CN 202989069U CN 201220701651 CN201220701651 CN 201220701651 CN 201220701651 U CN201220701651 U CN 201220701651U CN 202989069 U CN202989069 U CN 202989069U
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- Prior art keywords
- air outlet
- air
- outlet tube
- inlet device
- short
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- 239000002028 Biomass Substances 0.000 title claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 abstract description 8
- 238000006722 reduction reaction Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 3
- 238000002309 gasification Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 11
- 238000010411 cooking Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000007600 charging Methods 0.000 description 4
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 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
- 238000000034 method 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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- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a vertical type air inlet device of a biomass gasifier. Combustion layers are formed at the bottom part of fuel; the air inlet device is divided into two layers; an ignition device is adopted for ignition firstly so as to form higher and lower combustion layers; the lower combustion layer is a high-temperature layer for generating carbon dioxide; the higher combustion layer is a reduction layer; carbon dioxide comes into contact with hot carbon in the reduction layer so as to conduct reduction reaction to generate a combustible gas, namely, carbon monoxide. Air outtake tubes (3) are vertically arranged around the feeding port (4) inside the hearth and are uniformly distributed into a circle; the air outtake tubes (3) include long air outtake tubes and short air outtake tubes; and the long air outtake tubes and the short air outtake tubes are adjacently distributed. The biomass gasifier is stable in gasification, the uniform air field and air pressure can be realized by adjacent distribution of the long air outtake tubes and the short air outtake tubes, and two-layer combustion inside the hearth is realized; the combustion is uniform, so that the temperature of the hearth is favorably controlled between 600 DEG C and 650 DEG C; and due to the design of a blow-down pipe, a blow-down valve and a blow-down port, an air flue is prevented from being blocked.
Description
Technical field
The utility model belongs to solid-fuelled domestic burners or kitchen range, relates to the erect-type air inlet device of a kind of biomass gasifying furnace.
Background technology
At present fixed bed biomass gasification furnace is to the fuel air blast by grate or furnace wall blast inlet, meeting formation burner hearth wind field and blast are inhomogeneous, if want the cooking stove normal operation, the burner hearth local temperature can surpass 800 degree, easily generate slagging scorification (the fuel slagging temperature is generally 680 degree), because the slagging scorification meeting affects the furnace ventilation performance, vapourizing furnace can't be worked long hours continuously.So need to a kind ofly can be controlled at 600 degree to fire box temperature between 650 degree, the uniform device of wind field and blast solves the slagging scorification problem of biomass gasifying furnace.Therefore, the prior art scheme also is still waiting further perfect.
Summary of the invention
The utility model purpose is to provide a kind of biomass gasifying furnace to make air intake and the erect-type air inlet device of the uniform biomass gasifying furnace of blast, thereby effectively realizes controlling fire box temperature between 600 degree are spent to 650.
Technical solutions of the utility model: the erect-type air inlet device of a kind of biomass gasifying furnace, it comprises that air door, air channel and air outlet tube and order are communicated with, the 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 distributes on every side equably ringwise, air outlet tube on 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 the 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 on every side equably ringwise.
The air outlet of air outlet tube is on pipe shaft.
The utility model biomass gasifying furnace gasification is stable, by grow airduct and the distribution adjacent one another are of short air outlet tube can realize wind field and blast even, can allow and realize two-layer burning in burner hearth; Burning evenly, in burner hearth, temperature is also more even, also can guarantee gas production rate in the situation that reduce the burner hearth air output, and localized hyperthermia can not appear, it is suitable that the maximum air output of burner hearth is adjusted, by airdoor control wind-force size, thereby be conducive to realize controlling fire box temperature between 600 degree are spent to 650.
Description of drawings
The structural representation of Fig. 1, the utility model embodiment 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 utility model can specifically be implemented by the technical scheme in the utility model content, and by the following examples can the utility model will be further described, yet scope of the present utility model 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 connection with the air channel, 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 an 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 and 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 on every side equably ringwise, air outlet tube 3 on 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 is in horizontal direction on pipe shaft.
Growing airduct and short air outlet tube, to be erected at burner hearth 2 interior centroclinal to burner hearth 2.
Air outlet tube 3 on 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, 4 pairs of burner hearth 2 chargings of opening for feed, when 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, this moment, air door 6 was opened, and first inflammable gas such as liquefied gas was filled with air channel 5, air channel 5 is by 3 pairs of burner hearth 2 air blast of air outlet tube, and inflammable gas enters in burner hearth 2; 1 pair of burner hearth of lighter for ignition, 2 fuel igniting simultaneously, the air outlet that grows airduct and short air outlet tube forms firing level; When 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 the pyrolysis energy, grow airduct and be used for keeping the 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 moved to gas outlet 10 by scorching hot carbon-coating, the carbon scorching hot with reducing zone contacted the generation reduction reaction, generates the inflammable gas carbon monoxide, the carbon dioxide reduction that heat zone is produced becomes carbon monoxide, improves the fuel gas rate.Due to the even distribution of air outlet tube 3 in 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 the zone of combustion temperature between 600 degree are spent to 650, just can control cooking stove and not produce the slagging scorification phenomenon in combustion processes.Diaphragm seal 9 can prevent gas leaking, gas outlet 10 output inflammable gass.Along with the consumption of fuel, material level step-down, material level inductor block 7 start feed mechanism, and burner hearth begins charging, when 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 the cooking stove non-stop run.
Claims (5)
1. erect-type air inlet device of biomass gasifying furnace, it comprises that air door (6), air channel (5) and air outlet tube (3) and order are communicated with, air channel (5) is in the inlet ambient annular spread of opening for feed (4), it is characterized in that the opening for feed (4) that described each air outlet tube (3) is erected in burner hearth (2) distributes equably ringwise on every side, air outlet tube on same circumferential ring (3) 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.
2. according to the erect-type air inlet device of a kind of biomass gasifying furnace claimed in claim 1, it is characterized in that growing one or both in airduct and these two kinds of air outlet tubes of short air outlet tube and be erected in burner hearth (2) centroclinal to burner hearth (2).
3. according to the erect-type air inlet device of a kind of biomass gasifying furnace claimed in claim 1, it is characterized in that air outlet tube (3) on the adjacent circumferential ring 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.
4. according to the erect-type air inlet device of a kind of biomass gasifying furnace claimed in claim 1, it is characterized in that the opening for feed (4) that described each air outlet tube (3) is erected in burner hearth (2) is scattered in two circumferential ring on every side equably ringwise.
5. according to the erect-type air inlet device of a kind of biomass gasifying furnace claimed in claim 1, it is characterized in that the air outlet of air outlet tube (3) is on pipe shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220701651 CN202989069U (en) | 2012-12-18 | 2012-12-18 | Vertical type air inlet device of biomass gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220701651 CN202989069U (en) | 2012-12-18 | 2012-12-18 | Vertical type air inlet device of biomass gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989069U true CN202989069U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220701651 Expired - Fee Related CN202989069U (en) | 2012-12-18 | 2012-12-18 | Vertical type air inlet device of biomass gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102994150A (en) * | 2012-12-18 | 2013-03-27 | 孙吉章 | Gasifying method and vertical air inlet device of biomass gasifier |
| 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 |
-
2012
- 2012-12-18 CN CN 201220701651 patent/CN202989069U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102994150A (en) * | 2012-12-18 | 2013-03-27 | 孙吉章 | Gasifying method and vertical air inlet device of biomass gasifier |
| CN102994150B (en) * | 2012-12-18 | 2014-05-14 | 孙吉章 | Gasifying method and vertical air inlet device of biomass gasifier |
| 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 |
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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: 20130612 Termination date: 20211218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |