CN201106868Y - Dry way gas purification generating stove for cleanness production of biomass - Google Patents
Dry way gas purification generating stove for cleanness production of biomass Download PDFInfo
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- CN201106868Y CN201106868Y CNU2007200434260U CN200720043426U CN201106868Y CN 201106868 Y CN201106868 Y CN 201106868Y CN U2007200434260 U CNU2007200434260 U CN U2007200434260U CN 200720043426 U CN200720043426 U CN 200720043426U CN 201106868 Y CN201106868 Y CN 201106868Y
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- gas
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- tar
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Abstract
The utility model discloses a dry gas purifying and generating stove, which cleanly produce gas using bio-material. The stove includes a stove body which is connected with the feeding device; the furnace lining is connected with the hearth; the thermocouple sheath is connected with the stove body; the secondary air intake and supply device is arranged at the place of the thermal cracking and gasifying area at the height of 120cm, i.e. an air circle with 10cm height and 15 width and 8 intakes are arranged around the stove body; the intake coefficient is limited between 20-25 percent; a pipe socket and two tar purifying filter towers are formed at 2/5 height inside the stove. The advantages are as follows the thermal value is high, which is about 20 percent higher than the thermal value of bio-material gas generated by other thermal cracking gasifying stoves; using dry method, the water is not needed to wash and purity the gas, so that no sewage, phenol, naphthalene, benzene and styrene are discharged, which realizes the purpose of producing cleanly; the equipment has simple structure, is convenient to operate and maintain with wide application range, and is suitable for the use of 100-1000 families; meanwhile, the gas can be used to generate electric power, and the investment is small.
Description
Technical field:
The utility model relates to and in same stove, can produce biological fuel gas, efficiently the clean biometric matter dry method fuel gas high efficiency of purifying gas purifies producer again.Belong to gas-purification producer equipment technical field.
Background technology:
Living beings are a kind of carbonization materials.The living beings utilization then mainly is meant all kinds of crops and agricultural organic remains is converted into efficient, high-quality combustion gas resource.At present, all be to adopt water to wash purifying gas after the biomass gasifying furnace production combustion gas, every per hour rate of gasification to discharge the sewage of 1.5 tons purifying gas at the gasification furnace of 300m3, brought serious pollution to rural environment.
Summary of the invention
The purpose of this utility model is intended to overcome the defective of above-mentioned existence, proposes the anti-fiery dry method fuel gas high efficiency of a kind of cleaner production type living beings and purifies producer.Agriculture and forestry organic waste materials such as biomass straw, branch, rice husk, shell can be generated biological fuel gas in same stove, special device can be set again make the tar of biological fuel gas in high temperature obtain further cracking in stove, be converted into permanent fuel gas.Impel the calorific value of combustion gas to reach 5500-6000kj/m
3, the biological fuel gas calorific value (4000-5000kj/m that is produced than existing various stalk pyrolysis gasification furnaces
3) improved about 30%, be that a kind of desirable biomass efficient purifies producer, successfully solved the secondary pollution problem that gasifies and bring because of living beings to rural environment.
Technical solution of the present utility model: its structure is to comprise body of heater, it with feed arrangement with link to each other, furnace lining is connected with burner hearth, thermocouple sheath is connected with body of heater, and the secondary air feeder is located at the pyrolytic gasification zone position at body of heater height 120cm place, promptly is provided with high 10cm in body of heater, the air flow pattern of wide 15cm and 8 ventilating openings, the air inlet system numerical control is built in 20%-25%, in stove 2/5ths highly place's design micro become horn mouth, two tar purifying filtration tanks.
Advantage of the present utility model: (1), calorific value height.This process using is the new technology of pyrolysis fuel oil repeatedly, and (tar is converted into heat release in gas region can reach 15MJ/m to allow the tar of combustion gas
3) be converted into gas, add need not water flushing, improved the calorific value of combustion gas, the calorific value of the biological fuel gas of being produced than other various " pyrolysis gasification furnaces " is high by about 20%; (2), clean type.Present technique adopts dry method, need not wash purifying gas for water, without sewage discharge, wash with water in the water after dashing than other biomass-making gas equipment and to be entrained with a large amount of tar, comprise that sewage such as phenol, naphthalene, benzene, styrene dye thing, unconditionally carry out purified treatment again because of present rural area, get only in the nature discharging pond or naturally osmotic in soil, caused the new problem of environmental pollution of secondary.(3), easy to operate.The present technique device structure is simple, and the device that all needs are often opened all is provided with quick operating valve, makes things convenient for tar to filter and cleans; The quick operating valve that tower etc. locates all to be provided with drawer type is cleaned as fire grate, tar in the place that all needs are often overhauled, and makes things convenient for tar to filter and cleans and maintenance, is convenient to operation, is well suited for rural staff's use.(4), scope is wide.This (equipment) unit can be decided according to rural amount, can be fit to the above peasant household in 100-1000 family air feed and use, and simultaneously, can also be used to generating or personal.Meanwhile, it is also applicable that this unit is suitable for various materials, especially wheat straw, straw and rape stalk etc., really solved agriculture and forestry organic waste material resource reutilization problem.(5), small investment.
Description of drawings:
Accompanying drawing 1 is the structural representation that cleaner production living beings dry method fuel gas high efficiency purifies producer.
Among the figure 1 is the furnace roof observation panel, the 2nd, and feed arrangement, the 3rd, feed pipe, the 4th, furnace lining, the 5th, burner hearth, the 6th, thermocouple sheath, the 7th, secondary air installs especially, the 8th, gas stream in the stove back-up ring device, the 9th, gas velocity flow constriction mouth device, the 10th, combustion gas sucking-off lane device, the 11st, coke tar cracking stiffened region, the 12nd, drawer type fire grate, the 13rd, drawer type quick operating valve.
The specific embodiment
Contrast accompanying drawing 1, its structure is to be provided with furnace roof observation panel 1 at the body of heater top; Feed arrangement 2 links to each other with body of heater, and feed pipe 3 is connected with feed arrangement 2; Furnace lining 4 is connected with burner hearth 5, thermocouple sheath 6 is connected with body of heater, secondary air device 7 is provided with 8 ventilating openings, gas stream in the stove back-up ring device 8 is connected with the furnace wall, gas velocity flow constriction mouth device 9 is connected with body of heater with drawer type fire grate 12, combustion gas sucking-off lane device 10 is connected with the gentle flow rate contraction mouth of body of heater device 9, and coke tar cracking stiffened region 11 is connected with drawer type quick operating valve 13 with gas velocity flow constriction mouth device 9, and drawer type quick operating valve 13 is connected with body of heater.
Described secondary air feeder 7 is located at the pyrolytic gasification zone position at body of heater height 120cm place, promptly in body of heater, be provided with high 10cm, the air flow pattern of wide 15cm and 8 ventilating openings, guarantee the good combination of air and material, increase combustion intensity (800-1200 ℃), with the air inlet system numerical control between 20%-25%, impelling this zone to form air force raises, increased the disturbance of gas, guaranteed that air mixes with the good of material, has strengthened the combustion intensity of gasification zone; Make the zoneofoxidation reaction more violent, make material generate a large amount of mists that decompose, wherein contain tar, tar complete cracking when 300-350 degree high temperature at high temperature, be converted into permanent fuel gas in very short time, like this, promptly improve the calorific value of biological fuel gas, reduced the tar content in the combustion gas again.
In stove 2/5ths highly place design micro become horn mouth, this bell-mouthed diameter is less than 25% of furnace diameter, micro becomes horn mouth to be provided with the space between fire grate, allow gas be arranged enough holdup times in this space, impel the charcoal of air motion and generation further to react, and then the generation carbon dioxide change into carbon monoxide (CO and H again
2), when improving calorific value, make the tar in the mist further obtain cracking again, generate permanent little molecule fuel gas, increased the calorific value of combustion gas; Produerr gas plant has also increased the tar purifying filtration tank of two efficient purifying gas, the 120cm of tower body height and 180cm place are provided with the high desnity metal screen pack of two drawer types, biological fuel gas passes through the high desnity metal net filtration under the effect of negative-pressure sucking, tar is separated with combustion gas with moisture, tar flows in the tar bucket down for about 50 ℃ automatically from the top down at gas, further is purified the biological fuel gas of high-quality.It is separated from the gas to carry out tar, has fundamentally reduced tar content in the combustion gas, further reaches the purpose that fuel gas high efficiency purifies.
Feed arrangement 2 links to each other with body of heater, and material speed is delivered in the stove; Thermocouple sheath 6 is connected with body of heater, can observe stove internal combustion temperature at any time, the calculating of being convenient to; Gas stream in the stove back-up ring device 8 is connected with the furnace wall, strengthens the gas disturbance; Gas velocity flow constriction mouth device 9 is connected with body of heater with drawer type fire grate 12, forms air-flow and flows fast; Combustion gas sucking-off lane device 10 is connected with the gentle flow rate contraction mouth of body of heater device 9, outside the combustion gas output furnace of producing; Coke tar cracking stiffened region 11 is connected with drawer type quick operating valve 13 with gas velocity flow constriction mouth device 9, forms space, charcoal district, makes that tar in the combustion gas filters in the charcoal district, cracking, is converted into permanent gases; Drawer type fire grate 12 is connected with body of heater with gas velocity flow constriction mouth device 9, thereby reaches the purpose of ash discharge quarrel and quick service; Drawer type quick operating valve 13 is connected with body of heater, the purpose that forms quick deslagging and keep in repair fast.
The course of work:
Cleaner production type living beings dry method gas-purification producer, adopt fixedly back fire-biomass gasification furnace of normal pressure, make raw material with biomass castoffs such as agricultural crop straws, researched and developed the new technology of the anaerobic pyrolysis gasification legal system gas of dry method formula, make gasifying agent with overfire air and steam, by generating carbon monoxide under the unburnt condition of anoxic, hydrogen, methane, mists such as nitrogen, under the operation of little vacuum motor, special design two place's high-level cleaners in stove, allow tar be converted into permanent gases, flow downward by fire grate and to be sucked out, pass through the dedusting of purifier again, cooling, decoking, filter, need not washing down of water, the high-grade fuel gas of output, by central gas supply system (gas-holder, the gas transmission and distribution pipe network, indoor application gas facility) user is sent in the high-quality combustion gas, both can be used as cooking gas, realize the cooking gasization in rural area, also can be used as bathing, heating, oven dry, purposes such as generating, it is reasonable to have technical process, apparatus structure is simple, handling safety is reliable, non-secondary pollution.
Embodiment 1:
Implementation condition: melting the gasification combustion furnace internal diameter is 1.2m, and the stove height is 3.5m, and hearth area is 0.95m
2, material is 500 kilograms of rice husks, rice husk water content 15%, and gasifying agent is C+O
2, about secondary air amount 26%-30%, be 1 hour burning time.
Result of implementation: melt-combustion temperature, dry section temperature are 250-300 ℃; The pyrolysis zone temperature is 400-800 ℃; The zoneofoxidation temperature is 800-1300 ℃; The reducing zone temperature is 700-900 ℃; Rate of gasification is 75%; Amount of vaporization is 1200m
3September 2 in 2006 Nikkei Jiangsu Province inspection center testing result, H
2Be 21.2; O
2Be 1.4; N
2Be 40; CH
4Be 3.2; CO is 12.8; CO
2Be 14; CnHm is 1.2; Tar and dust are 2.62mg/m
3, than national standard 20mg/m
3Low 17.38mg/m
3Higher calorific value is 5.640mg/m
3, Lower heat value is 5.099mg/m
3, improve about 35% than other pyrolysis oven.
Embodiment 2:
Implementation condition: melting the gasification combustion furnace internal diameter is 0.8m, and the stove height is 3.2m, and hearth area is 0.70m
2, material is 350 kilograms of rice husks, rice husk water content 15%, and gasifying agent is C+O
2, about secondary air amount 26%-30%, be 1 hour burning time.
Result of implementation: melt-combustion temperature, dry section temperature are 250-300 ℃; The pyrolysis zone temperature is 400-800 ℃; The zoneofoxidation temperature is 800-1300 ℃; The reducing zone temperature is 700-900 ℃; Rate of gasification is 75%; Amount of vaporization is 1500m
3June 5 in 2007 Nikkei Jiangsu Province inspection center testing result, H
2Be 26.4; O
2Be 2.0; N
2Be 43; CH
4Be 3.2; CO is 10.4; CO
2Be 14.6; CnHm is 0.4; Tar and dust are 3.57mg/m
3Than national standard 20mg/m
3Low 16.43mg/m
3Higher calorific value is 6.206mg/m
3, Lower heat value is 5.547mg/m
3, improve about 35% than other pyrolysis oven.
Claims (3)
1, cleaner production living beings dry method gas-purification producer, comprise body of heater, it with feed arrangement with link to each other, furnace lining is connected with burner hearth, thermocouple sheath is connected with body of heater, it is characterized in that the secondary air feeder is located at the pyrolytic gasification zone position at body of heater height 120cm place, promptly in body of heater, be provided with high 10cm, the air flow pattern of wide 15cm and 8 ventilating openings, the air inlet system numerical control is built in 20%-25%, in stove 2/5ths highly place design micro become horn mouth, two tar purifying filtration tanks.
2, the anti-fiery dry method gas-purification producer of living beings according to claim 1 is characterized in that micro becomes bell-mouthed diameter less than 25% of furnace diameter, and micro becomes horn mouth to be provided with the space between fire grate.
3, the anti-fiery dry method gas-purification producer of living beings according to claim 1 is characterized in that the high desnity metal screen pack that respectively is provided with drawer type at the 120cm and the 180cm place of two tar purifying filtration tank tower body height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200434260U CN201106868Y (en) | 2007-10-31 | 2007-10-31 | Dry way gas purification generating stove for cleanness production of biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200434260U CN201106868Y (en) | 2007-10-31 | 2007-10-31 | Dry way gas purification generating stove for cleanness production of biomass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106868Y true CN201106868Y (en) | 2008-08-27 |
Family
ID=39958675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200434260U Expired - Fee Related CN201106868Y (en) | 2007-10-31 | 2007-10-31 | Dry way gas purification generating stove for cleanness production of biomass |
Country Status (1)
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|---|---|
| CN (1) | CN201106868Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634377A (en) * | 2012-05-08 | 2012-08-15 | 南京万物新能源科技有限公司 | Gasification furnace for dry method type purification of fuel gas cleanly produced by biomass |
| CN104962320A (en) * | 2015-07-02 | 2015-10-07 | 王岳林 | Breathing type biomass gasification device and gas making method |
| CN109253471A (en) * | 2018-09-07 | 2019-01-22 | 曾金玉 | A kind of low cigarette environmental protection radiator equipment |
| CN109737420A (en) * | 2018-12-27 | 2019-05-10 | 怀集汇清环保设备工程有限公司 | A kind of house refuse back-fire type pyrolysis disposing technique and device |
-
2007
- 2007-10-31 CN CNU2007200434260U patent/CN201106868Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634377A (en) * | 2012-05-08 | 2012-08-15 | 南京万物新能源科技有限公司 | Gasification furnace for dry method type purification of fuel gas cleanly produced by biomass |
| CN102634377B (en) * | 2012-05-08 | 2013-08-28 | 南京万物新能源科技有限公司 | Gasification furnace for dry method type purification of fuel gas cleanly produced by biomass |
| CN104962320A (en) * | 2015-07-02 | 2015-10-07 | 王岳林 | Breathing type biomass gasification device and gas making method |
| CN109253471A (en) * | 2018-09-07 | 2019-01-22 | 曾金玉 | A kind of low cigarette environmental protection radiator equipment |
| CN109737420A (en) * | 2018-12-27 | 2019-05-10 | 怀集汇清环保设备工程有限公司 | A kind of house refuse back-fire type pyrolysis disposing technique and device |
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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: 20080827 Termination date: 20141031 |
|
| EXPY | Termination of patent right or utility model |