CN102191084A - Straw gasification furnace and method for producing fuel gas by using same - Google Patents
Straw gasification furnace and method for producing fuel gas by using same Download PDFInfo
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- CN102191084A CN102191084A CN2010101224764A CN201010122476A CN102191084A CN 102191084 A CN102191084 A CN 102191084A CN 2010101224764 A CN2010101224764 A CN 2010101224764A CN 201010122476 A CN201010122476 A CN 201010122476A CN 102191084 A CN102191084 A CN 102191084A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The invention relates to a straw gasification furnace and a method for producing fuel gas by using the same. The straw gasification furnace structurally comprises an open type charging port, an in-furnace gasification chamber, a gasification chamber refractory lining, a gasification chamber fire grate, a gasification chamber furnace body water jacket, a dust clearing furnace door, a gasification chamber furnace base, a dust outlet pipe orifice, a charcoal outlet pipe orifice, a carbonization chamber furnace base, a charcoal collecting chamber, an in-furnace air suction ring, a fuel gas communicating port, a carbonization chamber furnace body water jacket, a furnace body connecting flange, a pumping fuel gas pipe orifice, a sealing charging pipe orifice, a carbonization chamber furnace top, a carbonization chamber and a carbonization chamber refractory lining. The straw gasification furnace and the method for producing the fuel gas by using the same have the advantages that: during gasification operation, carrier heat energy of the fuel gas is directly used for performing dry distillation and carbonation on the straws in the furnace to produce biomass carbonized fuel gas so as to replace petroleum liquefied gas and provide new clean, high-quality and low-price gas fuel for rural areas. The produced fuel gas does not require water washing, cooling and purification; industrial chemical raw materials are separated from the fuel gas; no sewage is discharged; and when the straws are gasified, byproduct industrial chemical raw materials with high additional value such as dry distillation charcoal, wood vinegar, wood tar and acetic acid are produced.
Description
Technical field
What the present invention relates to is a kind of stalk gasifier of using for the rural area for the fuel production inflammable gas with stalk and the method for production combustion gas thereof, belongs to gasifier system technology for making field.
Background technology
Existing lot of domestic and foreign scientific research institutions are through concentrating on studies in decades, developed multiple stalk gasifier, as various single utilization stalks, rice husks such as: updraft type vapourizing furnace, downdraft vapourizing furnace, crossdraft vapourizing furnace, happy formula vapourizing furnace, single current bed gasification furnace, double-fluidized-bed vapourizing furnace, circulation bed vapourizing furnace, portable type vapourizing furnace produce inflammable gas for the peasant drink thing burn with and a local small-sized rice factory utilize the production combustion gas of in stove, gasify of self-produced rice husk to use by oneself for the gas internal-combustion engine generating, made certain contribution for developing biomass straw.Because above various single stalk gasifiers, utilize disposable air (vaporized chemical) in stove during with stalk or rice husk gasification reaction, because of airborne oxygen level has only 21%, and nitrogen content occupies large percentage up to 79% (not participating in the rare gas element of gasification reaction), so the fuel gases calorific value of producing is lower, every cube of combustion gas thermal value has only 4000KJ/Nm
3About, it is long that the peasant drinks thing time of cooking, cooking speed is slow, during particularly above various single gasifier operation, the high temperature heat that is loaded with 400-600 ℃ in the combustion gas in the stove behind the gasification reaction is not used, mostly adopt the method for washing cooling and purifying combustion gas to purify the high-temperature fuel gas that is produced in the stove, so not only cause a large amount of heat-energy losses, and in washing the purification gas process with water, will produce a large amount of gas washing sewage, simultaneously also with the wood vinegar in the combustion gas, wood tar oil, industrial chemicals such as acetate become secondary pollution, will cause the defective of severe contamination to peripheral ecotope.
Summary of the invention:
What the present invention proposed is the method for a kind of stalk gasifier and production combustion gas thereof, and its purpose is intended to overcome the above-mentioned defective that prior art is deposited, and effectively improves fuel gases calorific value and without sewage discharge.
Technical solution of the present invention: the structure of stalk gasifier is that the top of vaporizer is provided with the open type charging opening in stove, the periphery of vaporizer is provided with the anti-liner of vaporizer in stove, the middle part of vaporizer is provided with the vaporizer fire grate in stove, be provided with deashing fire door and combustion gas UNICOM mouth in the bottom of vaporizer fire grate, bottom at the deashing fire door is provided with dust collection chamber, be provided with the ash discharge mouth of pipe in the bottom of dust collection chamber, be provided with the vaporizer furnace water jacket in the outside of vaporizer refractory lining, establish the vapourizing furnace seat in the bottom of vaporizer furnace water jacket, be provided with the reinforced mouth of pipe of sealing at the top of coking chamber, the coking chamber furnace roof is established in bottom at the reinforced mouth of pipe of sealing, be provided with the suction combustion gas mouth of pipe in the side of coking chamber furnace roof, bottom at the suction combustion gas mouth of pipe is provided with body of heater attachment valve orchid, be provided with the coking chamber furnace water jacket in the bottom of body of heater coupling flange, in the coking chamber furnace water jacket, be provided with the coking chamber refractory lining, be provided with the circle of bleeding in the stove in the bottom of coking chamber, in stove, bleed the circle the bottom be provided with coal collecting chamber, bottom in coal collecting chamber is provided with carbon outleting port, is provided with coking chamber stove seat in the bottom of coking chamber furnace water jacket.
The method of stalk gasifier production combustion gas is characterized in that front and back are provided with vaporizer and coking chamber in body of heater, and vaporizer adopts the downdraft gasification principle that stalk is added in the vaporizer that is arranged in the stove as gasification materiel after pulverizing moulding; Material after the moulding is added in the coking chamber that is arranged in the stove, open earlier during operation and be arranged on the outer negative pressure roots blower of stove; Light the gasification materiel in the vaporizer, make gasification materiel in vaporizer, carry out gasification reaction and produce 400-600 ℃ high-temperature fuel gas, enter coking chamber in the stove by the combustion gas UNICOM mouth that is arranged on the coking chamber bottom, from bottom to up the charing material the coking chamber is carried out dry distillation charring from the coking chamber bottom uniformly through the circle circumferential distribution of bleeding that is arranged on the coking chamber bottom and become biomass charcoal, discharge hydrocarbon polymer CmHmm, methane GH in the fugitive constituent simultaneously
4Hydrocarbons etc. amount occurred frequently is mixed into 5000-6000KJ/m with the fuel gas with low heat value that enters from vaporizer
3Carbonated gas; Wood vinegar in the carbonated gas, wood tar oil, acetate industrial chemicals are separated into clean geseous fuel.
Advantage of the present invention: the method and the stalk gasifier that utilize at village level stalk gasifier production combustion gas, not only can utilize the carrier heat energy in the interior output high-temperature fuel gas of stove to be used for the dry distillation charring stalk, produce biomass charcoal, and save energy is improved the calorific value of biological fuel gas, substitute oil liquefied gas, the geseous fuel of new clean high-quality cheapness will be provided for vast rural area; Utilize the method for at village level stalk gasifier production combustion gas and stalk gasifier when operation to stove in the combustion gas of output do not wash cooling and purifying with water, and isolate industrial chemicals in the combustion gas with dry cleaning, accomplish without sewage discharge, very favourable to protecting peripheral ecotope, to China water-deficient area, its advantage is more remarkable especially; Utilize the method and the stalk gasifier of at village level stalk gasifier production combustion gas, gasification not only can be produced the higher relatively straw fuel gas of thermal value during stalk, and the industrial chemicals such as concomitant output destructive distillation charcoal, wood vinegar, wood tar oil, acetate of output with high added value simultaneously again.
Description of drawings:
Accompanying drawing 1 is the structural representation of stalk gasifier.
1 is the open type charging opening among the figure, the 2nd, vaporizer in the stove, the 3rd, the vaporizer refractory lining, the 4th, the vaporizer fire grate, the 5th, the vaporizer furnace water jacket, the 6th, dust collection chamber, the 7th, the deashing fire door, the 8th, vaporizer stove seat, the 9th, the ash discharge mouth of pipe, the 10th, go out the charcoal mouth of pipe, the 11st, coking chamber stove seat, the 12nd, coal collecting chamber, the 13rd, the circle of bleeding in the stove, the 14th, combustion gas UNICOM mouth, the 15th, the coking chamber furnace water jacket, the 16th, body of heater attachment valve orchid, the 17th, the suction combustion gas mouth of pipe, the 18th, the reinforced mouth of pipe of sealing, the 19th, the coking chamber furnace roof, the 20th, coking chamber, the 21st, the anti-liner of coking chamber.
Embodiment
Contrast accompanying drawing 1, its structure is that the top of vaporizer 2 in stove is provided with open type charging opening 1, the periphery of vaporizer 2 is provided with the anti-liner 3 of vaporizer in stove, the middle part of vaporizer 2 is provided with vaporizer fire grate 4 in stove, be provided with deashing fire door 7 and combustion gas UNICOM mouth 14 in the bottom of vaporizer fire grate 4, be provided with dust collection chamber 6 in the bottom of deashing fire door 7, be provided with the ash discharge mouth of pipe 9 in the bottom of dust collection chamber 6, be provided with vaporizer furnace water jacket 5 in the outside of vaporizer refractory lining 3, establish vapourizing furnace seat 8 in the bottom of vaporizer furnace water jacket 5, be provided with the reinforced mouth of pipe 18 of sealing at the top of coking chamber 20, coking chamber furnace roof 19 is established in bottom at the reinforced mouth of pipe 18 of sealing, be provided with the suction combustion gas mouth of pipe 17 in the side of coking chamber furnace roof 19, bottom at the suction combustion gas mouth of pipe 17 is provided with body of heater attachment valve orchid 16, be provided with coking chamber furnace water jacket 15 in the bottom of body of heater coupling flange 16, in the coking chamber furnace water jacket, be provided with coking chamber refractory lining 21, be provided with the circle 13 of bleeding in the stove in the bottom of coking chamber 20, circle 13 the bottom of bleeding in stove is provided with coal collecting chamber 12, be provided with carbon outleting port 10 in the bottom of coal collecting chamber 12, be provided with coking chamber stove seat in the bottom of coking chamber furnace water jacket 15.
Embodiment 1:
With straw, straw, materials such as beans stalk become molding materials Φ 10-12mm through grinding and processing, the cylindrical pellet of long 30-50mm, by open type charging opening 1 gasification materiel is added in the stove 0.8 meter of Φ, after in the high 2.5 meters vaporizer 2, again with 0.7 meter of Φ in the charing material adding stove, in the high 3.6 meters coking chamber 20, start earlier during operation and be arranged on the outer negative pressure roots blower of stove, then select gasification materiel in the vaporizer 2 and the reaction of air (vaporized chemical) generating gasification in the burner, output 400-600 ℃ high-temperature fuel gas, enter the circle 13 of bleeding in the stove that is arranged on coking chamber 20 bottoms in the stove by the combustion gas UNICOM mouth of pipe 14 that is arranged on the vaporizer bottom, the bottom charing material in the coking chamber 20 in the adding stove from bottom to top by coking chamber in the stove 20 that high-temperature fuel gas is evenly distributed by the circle 13 peripheral end openings of bleeding in the stove carries out dry distillation charring and produces biomass charcoal, discharge the hydrocarbon polymer CmHmm in the fugitive constituent simultaneously, methane CH
4Be mixed into 5000-6000KJ/m Deng golf calorific value hydrocarbons and the fuel gas with low heat value that vaporizer in stove enters
3Carbonated gas, through aspirating the combustion gas mouth of pipe 17 suction carbonated gas, simultaneously industrial chemicals such as the wood vinegar in the carbonated gas, wood tar oil, acetate are also extracted out outside the stove and drunk the high quality gas fuel of thing burning with cleaning through isolate clean high quality gas fuel supply urban residents with the dry cleaning gas burning system.
Gasification materiel in stove in the vaporizer 2 the charcoal ash behind the gasification reaction fall into the bottom dust collection chamber 6 that is arranged on vaporizer 2 in the stove, discharge out of the furnace by the bottom ash discharge mouth of pipe 9 that is arranged on dust collection chamber 6 again.
The go out charcoal mouth of pipe of the biomass charcoal that the charing material is produced behind the dry distillation charring in coking chamber in stove 20 through being arranged on coal collecting chamber 12 bottoms discharges out of the furnace.
Per hour consume gasification materiel 80kg during this stove operation and can produce straw fuel gas 160m
3, charcoal ash 8kg.
But per hour consume charing material 60kg production destructive distillation combustion gas 42m during this stove operation
3, biomass carbonization carbon 20kg, wood vinegar 10kg, wood tar oil 1kg, charcoal ash 8kg.
More than add up to and per hour consume stalk forming material 140kg, produce carbonated gas 200m
3, produce biomass carbonization carbon 20kg, wood vinegar 10kg, wood tar oil 1kg, charcoal ash 8kg.
Embodiment 2:
With corn stalk, the cotton bar, materials such as branch become molding materials Φ 10-12mm through grinding and processing, the cylindrical pellet of long 30-50mm, by open type charging opening 1 gasification materiel is added in the stove 1.0 meters of Φ, after in the high 2.5 meters vaporizer 2, again with 1.0 meters of Φ in the charing material adding stove, in the high 3.6 meters coking chamber 20, start earlier during operation and be arranged on the outer negative pressure roots blower of stove, then select gasification materiel in the vaporizer 2 and the reaction of air (vaporized chemical) generating gasification in the burner, output 400-600 ℃ high-temperature fuel gas, enter the circle 13 of bleeding in the stove that is arranged on coking chamber 20 bottoms in the stove by the combustion gas UNICOM mouth of pipe 14 that is arranged on the vaporizer bottom, the bottom charing material in the coking chamber 20 in the adding stove from bottom to top by coking chamber in the stove 20 that high-temperature fuel gas is evenly distributed by the circle 13 peripheral end openings of bleeding in the stove carries out dry distillation charring and produces biomass charcoal, discharge the hydrocarbon polymer CmHmm in the fugitive constituent simultaneously, methane CH
4Be mixed into 5000-6000KJ/m Deng golf calorific value hydrocarbons and the fuel gas with low heat value that vaporizer in stove enters
3Carbonated gas, aspirate carbonated gas through aspirating the combustion gas mouth of pipe 17, also extract industrial chemicals such as the wood vinegar in the carbonated gas, wood tar oil, acetate out stove outer high quality gas fuel supply urban residents and drink the clean high quality gas fuel of thing burning through isolate cleaning with the dry cleaning gas burning system.
The go out charcoal mouth of pipe of the biomass charcoal that the charing material is produced behind the dry distillation charring in coking chamber in stove 20 through being arranged on coal collecting chamber 12 bottoms discharges out of the furnace.
Per hour consume gasification materiel 120kg during this stove operation and can produce straw fuel gas 240m
3, charcoal ash 12kg.
But per hour consume charing material 100kg production destructive distillation combustion gas 70m during this stove operation
3, biomass carbonization carbon 35kg, wood vinegar 18kg, wood tar oil 1.5kg, charcoal ash 12kg.
More than add up to and per hour consume stalk forming material 220kg, produce carbonated gas 310m
3, produce biomass carbonization carbon 35kg, wood vinegar 18kg, wood tar oil 1.5kg, charcoal ash 12kg.
Embodiment 3:
With rice husk, materials such as shell add in the stove 1.2 meters of Φ by open type charging opening 1 with gasification materiel, after in the high 2.5 meters vaporizer 2, again with 1.0 meters of Φ in the charing material adding stove, in the high 3.6 meters coking chamber 20, start earlier during operation and be arranged on the outer negative pressure roots blower of stove, then select gasification materiel in the vaporizer 2 and the reaction of air (vaporized chemical) generating gasification in the burner, output 400-600 ℃ high-temperature fuel gas, enter the circle 13 of bleeding in the stove that is arranged on coking chamber 20 bottoms in the stove by the combustion gas UNICOM mouth of pipe 14 that is arranged on the vaporizer bottom, high-temperature fuel gas carries out dry distillation charring production biomass charcoal by the bottom charing material in the coking chamber 20 in the adding stove from bottom to top of coking chamber in the stove 20 uniformly by the circumferential distribution of the circle 13 of bleeding in the stove, discharge the hydrocarbon polymer CmHmm in the fugitive constituent simultaneously, methane CH
4Be mixed into 5000-6000KJ/m Deng golf calorific value hydrocarbons and the fuel gas with low heat value that vaporizer in stove enters
3Carbonated gas, the combustion gas mouth of pipe 17 is aspirated on the top of coking chamber 20 in being arranged on stove, also extracts industrial chemicals such as the wood vinegar in the carbonated gas, wood tar oil, acetate out stove outer high quality gas fuel supply urban residents through isolate cleaning with the dry cleaning gas burning system and drinks the clean high quality gas fuel of thing burning.
Gasification materiel in stove in the vaporizer 2 the charcoal ash behind the gasification reaction fall into the bottom dust collection chamber 6 that is arranged on vaporizer 2 in the stove, discharge out of the furnace by the bottom ash discharge mouth of pipe 9 that is arranged on dust collection chamber 6 again.
The go out charcoal mouth of pipe of the biomass charcoal that the charing material is produced behind the dry distillation charring in coking chamber in stove 20 through being arranged on coal collecting chamber 12 bottoms discharges out of the furnace.
Per hour consume gasification materiel 160kg during this stove operation and can produce straw fuel gas 320m
3, charcoal ash 16kg.
But per hour consume charing material 120kg production destructive distillation combustion gas 85m during this stove operation
3, biomass carbonization carbon 42kg, wood vinegar 20kg, wood tar oil 2kg, charcoal ash 16kg.
More than add up to and per hour consume stalk forming material 280kg, produce carbonated gas 400m
3, produce biomass carbonization carbon 42kg, wood vinegar 20kg, wood tar oil 2kg, charcoal ash 16kg.
Claims (2)
1. stalk gasifier, its structure is that the top of vaporizer is provided with the open type charging opening in stove, the periphery of vaporizer is provided with the anti-liner of vaporizer in stove, the middle part of vaporizer is provided with the vaporizer fire grate in stove, be provided with deashing fire door and combustion gas UNICOM mouth in the bottom of vaporizer fire grate, bottom at the deashing fire door is provided with dust collection chamber, be provided with the ash discharge mouth of pipe in the bottom of dust collection chamber, be provided with the vaporizer furnace water jacket in the outside of vaporizer refractory lining, establish the vapourizing furnace seat in the bottom of vaporizer furnace water jacket, be provided with the reinforced mouth of pipe of sealing at the top of coking chamber, the coking chamber furnace roof is established in bottom at the reinforced mouth of pipe of sealing, be provided with the suction combustion gas mouth of pipe in the side of coking chamber furnace roof, bottom at the suction combustion gas mouth of pipe is provided with body of heater attachment valve orchid, be provided with the coking chamber furnace water jacket in the bottom of body of heater coupling flange, in the coking chamber furnace water jacket, be provided with the coking chamber refractory lining, be provided with the circle of bleeding in the stove in the bottom of coking chamber, in stove, bleed the circle the bottom be provided with coal collecting chamber, bottom in coal collecting chamber is provided with carbon outleting port, is provided with coking chamber stove seat in the bottom of coking chamber furnace water jacket.
2. the method for stalk gasifier production combustion gas is characterized in that front and back are provided with vaporizer and coking chamber in body of heater, and vaporizer adopts the downdraft gasification principle that stalk is added in the vaporizer that is arranged in the stove as gasification materiel after pulverizing moulding; Material after the moulding is added in the coking chamber that is arranged in the stove, open earlier during operation and be arranged on the outer negative pressure roots blower of stove; Light the gasification materiel in the vaporizer, make gasification materiel in vaporizer, carry out gasification reaction and produce 400-600 ℃ high-temperature fuel gas, enter coking chamber in the stove by the combustion gas UNICOM mouth that is arranged on the coking chamber bottom, from bottom to up the charing material the coking chamber is carried out dry distillation charring from the coking chamber bottom uniformly through the circle circumferential distribution of bleeding that is arranged on the coking chamber bottom and become biomass charcoal, discharge hydrocarbon polymer CmHmm, methane GH in the fugitive constituent simultaneously
4The hydrocarbons of amount occurred frequently is mixed into 5000-6000KJ/m with the fuel gas with low heat value that enters from vaporizer
3Carbonated gas; From carbonated gas, isolate clean geseous fuel and wood vinegar, wood tar oil, acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101224764A CN102191084A (en) | 2010-03-12 | 2010-03-12 | Straw gasification furnace and method for producing fuel gas by using same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101224764A CN102191084A (en) | 2010-03-12 | 2010-03-12 | Straw gasification furnace and method for producing fuel gas by using same |
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| CN102191084A true CN102191084A (en) | 2011-09-21 |
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| CN2010101224764A Pending CN102191084A (en) | 2010-03-12 | 2010-03-12 | Straw gasification furnace and method for producing fuel gas by using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786971A (en) * | 2012-09-12 | 2012-11-21 | 河南农业大学 | Continuous carbon powder production system |
| CN103436299A (en) * | 2013-09-04 | 2013-12-11 | 马银传 | Biomass gas reaction producer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2451911Y (en) * | 2000-11-22 | 2001-10-03 | 中国科学技术大学 | Composite biomass gasification furnace |
| JP2005120125A (en) * | 2003-10-14 | 2005-05-12 | Kurimoto Ltd | Gasification apparatus of vegetable organic substance |
| CN1632060A (en) * | 2004-11-24 | 2005-06-29 | 韩璋鑫 | Method for producing biomass charcoal and charring furnace with double furnace chambers therefor |
| CN101358134A (en) * | 2008-09-09 | 2009-02-04 | 赵学忠 | Normalizing and back run biomass gas-carbon cogeneration producer and gas-carbon cogeneration method |
| CN201686668U (en) * | 2010-03-12 | 2010-12-29 | 张琥 | Straw gasifying furnace |
-
2010
- 2010-03-12 CN CN2010101224764A patent/CN102191084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2451911Y (en) * | 2000-11-22 | 2001-10-03 | 中国科学技术大学 | Composite biomass gasification furnace |
| JP2005120125A (en) * | 2003-10-14 | 2005-05-12 | Kurimoto Ltd | Gasification apparatus of vegetable organic substance |
| CN1632060A (en) * | 2004-11-24 | 2005-06-29 | 韩璋鑫 | Method for producing biomass charcoal and charring furnace with double furnace chambers therefor |
| CN101358134A (en) * | 2008-09-09 | 2009-02-04 | 赵学忠 | Normalizing and back run biomass gas-carbon cogeneration producer and gas-carbon cogeneration method |
| CN201686668U (en) * | 2010-03-12 | 2010-12-29 | 张琥 | Straw gasifying furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786971A (en) * | 2012-09-12 | 2012-11-21 | 河南农业大学 | Continuous carbon powder production system |
| CN103436299A (en) * | 2013-09-04 | 2013-12-11 | 马银传 | Biomass gas reaction producer |
| CN103436299B (en) * | 2013-09-04 | 2016-01-20 | 马银传 | A kind of biomass fuel solid/liquid/gas reactions producer |
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Application publication date: 20110921 |