CN102888335A - Energy-saving biomass methane tank - Google Patents
Energy-saving biomass methane tank Download PDFInfo
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- CN102888335A CN102888335A CN2012103607835A CN201210360783A CN102888335A CN 102888335 A CN102888335 A CN 102888335A CN 2012103607835 A CN2012103607835 A CN 2012103607835A CN 201210360783 A CN201210360783 A CN 201210360783A CN 102888335 A CN102888335 A CN 102888335A
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- exhaust gases
- gases passes
- methane
- generating pit
- methane tank
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/18—Open ponds; Greenhouse type or underground installations
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/20—Heat exchange systems, e.g. heat jackets or outer envelopes the heat transfer medium being a gas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses an energy-saving biomass methane tank, and belongs to the technical field of utilization of new energy. According to the energy-saving biomass methane tank, the methane tank is buried in the ground, supported or hung by load bearing walls; a smoke channel is formed outside the methane tank, smoke discharged by boilers in thermal power plants flows through the smoke channel to heat the methane tank; two dust blowing guns for blowing away dust on walls of the smoke channel and the methane tank are respectively arranged on two sides of the smoke channel; a dust discharging hole formed in the bottom of the smoke channel is used for discharging accumulated dust and serves as an overhauling entrance of the smoke channel; a stirrer for stirring materials in the methane tank is arranged at a middle axis of the methane tank; regulating valves which are respectively positioned at an inlet and an outlet of the smoke channel can regulate the amount of smoke in the smoke channel; and an induced draught fan for supplying traction power to flow of smoke discharged by the boilers is arranged at the tail of the smoke channel. The energy-saving biomass methane tank is simple in structure and convenient to maintain, the efficiency of the boilers in the thermal power plants is improved, the dust discharged into the air from chimneys of the boilers is reduced, and the energy-saving biomass methane tank is beneficial to environment protection.
Description
Technical field
The invention belongs to the new energy use technology field, particularly a kind of energy saving biomass methane-generating pit.
Background technology
Biogas be organic substance under certain condition, the effect of undergoing microbial fermentation and a kind of inflammable gas of producing, its main component is methane.Temperature is a key factor of biogas fermentation, and the height of biogas fermentation speed depends on temperature to a great extent.In certain temperature range, temperature is higher, and aerogenesis speed is also higher, and this is because the Metabolic activity of product biogas microorganism is more vigorous with the rising of temperature.
Take station boiler as example, heat loss due to exhaust gas is one maximum in the boiler various heat losses, generally 5 ~ 12%, usually the every reduction of exhaust gas temperature is 10 ~ 15 ℃, boiler efficiency can improve 0.6 ~ 1.0%, if take use calorific value as the 410t/h high-duty boiler of 20000KJ/Kg coal as example, then can save nearly ten thousand tons of steam coals every year.
Summary of the invention
Be with waste heat by taking full advantage of the station boiler smoke evacuation, the present invention proposes a kind of energy saving biomass methane-generating pit, the structure of described energy saving biomass methane-generating pit is as follows:
Methane-generating pit 2 is imbedded underground, and both sides respectively have a bearing wall 1 to be used for supporting methane-generating pit 2 before and after it; Described bearing wall 1 is divided into the left and right sides with exhaust gases passes 3, and boiler exhaust gas is by a side inflow, and an other effluent goes out; Perhaps without bearing wall, but methane-generating pit 2 integral hangings are arranged;
The peripheral disposition of described methane-generating pit 2 has exhaust gases passes 3, and the top, the left and right sides of exhaust gases passes 3 respectively is furnished with a soot lance 4, and soot lance 4 can rotate freely by 360 degree, is used for purging the dust stratification on exhaust gases passes wall and the methane-generating pit wall;
Exhaust gases passes 3 bottoms are furnished with ash disposal mouth 7, are used for discharging the dust stratification that soot lance 4 cleans from exhaust gases passes 3 and methane-generating pit wall, and simultaneously ash disposal mouth 7 is also as the maintenance entrance of exhaust gases passes 3;
Axis place at described methane-generating pit 2 is equipped with stirrer 8, and described stirrer 8 is used for the material in the methane-generating pit is stirred;
Be furnished with exhaust gases passes entrance variable valve 9 in the ingress of exhaust gases passes 3; Be furnished with exhaust gases passes outlet regulating valve 10 and boiler chimney 6 in the exit of exhaust gases passes 3; Control the exhaust gas volumn of introducing the boiler exhaust gas in the exhaust gases passes 3 by the aperture of controlling described exhaust gases passes entrance variable valve 9 and exhaust gases passes outlet regulating valve 10, make temperature-stable in the methane-generating pit 2 50 ~ 65 ℃ production temperature;
The mixed sand of described exhaust gases passes 3 usefulness cement is built, surface irregularity, thus be conducive to dedusting;
Afterbody at exhaust gases passes 3 is furnished with induced draft fan 5, provides traction power for boiler exhaust gas flows.
Beneficial effect of the present invention is:
The present invention utilizes the heat of smoke discharged from boiler of power station heating methane tank; control the boiler exhaust gas amount of introducing exhaust gases passes by the aperture of regulating exhaust gases passes entrance variable valve and exhaust gases passes outlet regulating valve; make temperature-stable in the methane-generating pit 50 ~ 65 ℃ production temperature; guarantee the high yield of methane-generating pit; reduced simultaneously the funnel temperature of boiler; improve the efficient of boiler, reduced the dust that boiler chimney enters atmosphere, be conducive to protection of the environment.
Description of drawings
Fig. 1 is the structural representation of the energy saving biomass methane-generating pit that proposes of the present invention;
Fig. 2 is the side-view of the energy saving biomass methane-generating pit that proposes of the present invention.
Number in the figure:
The 1-bearing wall; The 2-methane-generating pit; The 3-exhaust gases passes; The 4-soot lance; The 5-induced draft fan; The 6-boiler chimney; 7-ash disposal mouth; The 8-stirrer; 9-exhaust gases passes entrance variable valve; 10-exhaust gases passes outlet regulating valve.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, determine the volume of methane-generating pit 2, the size of exhaust gases passes 3 and the capacity of induced draft fan 5 according to design requirements;
Methane-generating pit 2 is all imbedded underground, a bearing wall 1 is respectively arranged in both sides before and after it, and described bearing wall 1 is divided into the left and right sides with exhaust gases passes 3, and boiler exhaust gas is by a side inflow, and an other effluent goes out; Perhaps biomass marsh gas pond 2 integral hangings are arranged, bearing wall 1 is not set;
Electrodynamictype stirrer 8 is installed at axis place at methane-generating pit 2, and the material in the methane-generating pit 2 is stirred, and avoids the inequality of being heated of material;
Boiler exhaust gas is introduced exhaust gases passes 3 through exhaust gases passes entrance variable valve 9, and the mixed sand of described exhaust gases passes 3 usefulness cement is built, surface irregularity, thus be conducive to dedusting; The top, the left and right sides of described exhaust gases passes 3 respectively arranges a soot lance 4, and described soot lance 4 can rotate freely by 360 degree; The bottom of exhaust gases passes 3 is provided with ash disposal mouth 7; Utilize described soot lance 4 regularly the dust stratification on the wall of the wall of exhaust gases passes 3 and methane-generating pit 2 to be blown ash, blow down the dust stratification that comes and clear from described ash disposal mouth 7, the ash that clears can be as the raw material of making the material of construction such as cement, brick; Afterbody at exhaust gases passes 3 is furnished with induced draft fan 5, provides traction power for boiler exhaust gas flows, and boiler exhaust gas enters atmosphere through entering boiler chimney 6 behind the induced draft fan 5;
Be furnished with exhaust gases passes entrance variable valve 9 in the ingress of exhaust gases passes 3, be furnished with exhaust gases passes outlet regulating valve 10 in the exit of exhaust gases passes 3, control the boiler exhaust gas amount of introducing exhaust gases passes by the aperture of controlling described exhaust gases passes entrance variable valve 9 and exhaust gases passes outlet regulating valve 10, make temperature-stable in the methane-generating pit 50 ~ 65 ℃ production temperature.
Claims (3)
1. an energy saving biomass methane-generating pit is characterized in that, described biomass pool structure is as follows:
Methane-generating pit (2) is imbedded underground, and both sides respectively have a bearing wall (1) to be used for supporting methane-generating pit (2) before and after it; Described bearing wall (1) is divided into the left and right sides with exhaust gases passes (3), and flue gas is by a side inflow, and an other effluent goes out; Perhaps without bearing wall, but methane-generating pit (2) integral hanging is arranged;
The peripheral disposition of described methane-generating pit (2) has exhaust gases passes (3), the top, the left and right sides of exhaust gases passes (3) respectively is furnished with a soot lance (4), soot lance (4) can rotate freely by 360 degree, is used for purging the dust stratification on exhaust gases passes wall and the methane-generating pit wall;
Exhaust gases passes (3) bottom is furnished with ash disposal mouth (7), is used for discharging the dust stratification that soot lance (4) clean from exhaust gases passes (3) and methane-generating pit wall, and while ash disposal mouth (7) also is used as the maintenance entrance of exhaust gases passes (3);
At the axis place of described methane-generating pit (2) stirrer (8) is installed, described stirrer (8) is used for the material in the methane-generating pit is stirred;
Be furnished with exhaust gases passes entrance variable valve (9) in the ingress of exhaust gases passes (3); Be furnished with exhaust gases passes outlet regulating valve (10) and boiler chimney (6) in the exit of exhaust gases passes (3).
2. methane-generating pit according to claim 1 is characterized in that, described exhaust gases passes (3) is built with the mixed sand of cement, surface irregularity, thus be conducive to dedusting.
3. methane-generating pit according to claim 1 is characterized in that, is furnished with induced draft fan (5) at the afterbody of exhaust gases passes (3), provides traction power for boiler exhaust gas flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360783.5A CN102888335B (en) | 2012-09-21 | 2012-09-21 | Energy-saving biomass methane tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360783.5A CN102888335B (en) | 2012-09-21 | 2012-09-21 | Energy-saving biomass methane tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102888335A true CN102888335A (en) | 2013-01-23 |
| CN102888335B CN102888335B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210360783.5A Expired - Fee Related CN102888335B (en) | 2012-09-21 | 2012-09-21 | Energy-saving biomass methane tank |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138452A1 (en) * | 1981-09-23 | 1983-06-09 | Rüdiger 5563 Kröv Mergen | Device for treating biomass to recover methane gas |
| KR20020078955A (en) * | 2001-04-11 | 2002-10-19 | 린나이코리아 주식회사 | Waste heat recovery device of waste food disposal system |
| CN2835887Y (en) * | 2005-11-02 | 2006-11-08 | 范鸿林 | Apparatus for utilizing boiler waste heat to heat biomass pool |
| CN201697478U (en) * | 2010-01-11 | 2011-01-05 | 无锡市东方环境工程设计研究所有限公司 | Electric furnace thermal storage temperature equilibrium settling chamber |
| CN201754032U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for flue gas of electric furnace |
| CN201947917U (en) * | 2010-12-30 | 2011-08-31 | 山东珠峰生物科技有限公司 | Antibiotics-free fermented feed fermenter |
-
2012
- 2012-09-21 CN CN201210360783.5A patent/CN102888335B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138452A1 (en) * | 1981-09-23 | 1983-06-09 | Rüdiger 5563 Kröv Mergen | Device for treating biomass to recover methane gas |
| KR20020078955A (en) * | 2001-04-11 | 2002-10-19 | 린나이코리아 주식회사 | Waste heat recovery device of waste food disposal system |
| CN2835887Y (en) * | 2005-11-02 | 2006-11-08 | 范鸿林 | Apparatus for utilizing boiler waste heat to heat biomass pool |
| CN201697478U (en) * | 2010-01-11 | 2011-01-05 | 无锡市东方环境工程设计研究所有限公司 | Electric furnace thermal storage temperature equilibrium settling chamber |
| CN201754032U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for flue gas of electric furnace |
| CN201947917U (en) * | 2010-12-30 | 2011-08-31 | 山东珠峰生物科技有限公司 | Antibiotics-free fermented feed fermenter |
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| Publication number | Publication date |
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| CN102888335B (en) | 2014-05-07 |
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