CN101864454A - External circulating fermentation technique and device thereof - Google Patents
External circulating fermentation technique and device thereof Download PDFInfo
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- CN101864454A CN101864454A CN201010174351A CN201010174351A CN101864454A CN 101864454 A CN101864454 A CN 101864454A CN 201010174351 A CN201010174351 A CN 201010174351A CN 201010174351 A CN201010174351 A CN 201010174351A CN 101864454 A CN101864454 A CN 101864454A
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- 238000000855 fermentation Methods 0.000 title claims abstract description 23
- 230000004151 fermentation Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 210000002808 connective tissue Anatomy 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 3
- 239000010902 straw Substances 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 3
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
-
- 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
-
- 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
-
- 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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/20—Degassing; Venting; Bubble traps
-
- 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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- Processing Of Solid Wastes (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to an external circulating fermentation technique and a device thereof. The technique comprises the following steps that: step (A), materials flow into a fermentation tank of the device naturally by a material outlet of a dry-type fermentation device; step (B), the materials in the fermentation tank are pumped into a heat exchange device for heating, and after the temperature rises, the materials return into the fermentation tank for heat preservation and fermentation by a circulating pump; and step (C), the materials in the fermentation tank are fermented continuously so as to generate methane, and the methane slag and methane liquid are discharged from respective outlets. The device comprises the fermentation tank, the heat exchange device, an inner film, an outer film, the circulating pump, a control system and the like; the heat exchange device is arranged outside the fermentation tank; the fermentation tank is provided with a methane outlet valve and a material outlet valve, and the top part of the fermentation tank is provided with the inner film and the outer film in sequence; the upper part of the outer film is provided with a safety valve; a gas-filled cavity is formed between the inner film and the outer film; an air blower and a pipeline are communicated with the gas-filled cavity; the lower part of the tank is provided with a temperature sensor; and the control system is electrically connected with the temperature sensor and the heat exchange device. The invention is mainly applied in dry-type fermentation techniques of crop straws.
Description
One, technical field
The present invention relates to microbiological anaerobic and handle the method and apparatus of agricultural wastes, livestock-raising waste and trade effluent, particularly a kind of outer circulation zymotechnique and device.
Two, background technology
At present, anaerobic fermentation method and equipment mainly contain complete stirring-type anaerobic ferment process, anaerobism contact process reactor, upflow anaerobic sludge blanket reactor and flow lifting type anaerobism solid reactor etc.These methods and processing unit exist following shortcoming or deficiency: 1. equipment at material mainly be that ight soil is cultured in livestock industry because the stalk carbon-nitrogen ratio is higher than the required carbon-nitrogen ratio of anaerobically fermenting itself far away, still can't carry out fermentative processing to agricultural stalk class material; 2. the built-in heat exchange of many employings, tank body is perishable, and poor sealing is subject to the anerobe influence; 3. equipment complexity, fermentor tank need the configure dedicated gas storage holders, and floor space is big, and safety in operation is poor; 4. auxiliary facility is many, investment is big, running cost is high.
Three, summary of the invention
The purpose of this invention is to provide a kind of outer circulation zymotechnique, adopt specially and carry out the anaerobically fermenting processing at agricultural crop straw.Can also be applicable to simultaneously materials such as livestock breeding industry dirt, fill up the blank of current fermenting crops straws device, improve the scope of application and the versatility of device greatly.
Outer circulation zymotechnique of the present invention comprises the processing step of following order: (A) charging; (B) heat tracing fermentation; (C) discharging is characterized in that described processing step (A), (B), (C) carry out in waterpower circulation technology device, step (A) is to be gone in the fermentor tank of waterpower circulation technology device by the discharge port spontaneous current of dry type fermentation unit; Step (B) is to detect temperature in the fermentor tank by the temperature sensor that is arranged on the fermentor tank, when its temperature is lower than design temperature, Controlling System by this device is opened automatically, recycle pump is extracted into the material in the fermentor tank in the heat-exchanger rig, material returned in the fermentor tank through recycle pump after temperature raise, circulate material in this step stirred fermentor reaches design temperature simultaneously; Step (C) material constantly ferments in fermentor tank and produces biogas, and natural pond slag and natural pond liquid are discharged from outlet separately.
The heat exchange that material is pumped in the heat-exchanger rig in the fermentor tank in the described step (B) is the outer circulation type of heating.When the material in the described fermentor tank is passed in heat-processed and to be pumped by recycle pump, in fermentor tank, form eddy current and stir.Described biogas is discharged from the fermentor tank venting port, and natural pond liquid and natural pond slag are discharged from the discharging valve port.
Another object of the present invention provides a kind of outer circulation zymotechnique device, adopts the fermentor tank of Controlling System control and interior outer membrane structure, effectively agricultural stalk is fermented, and produces the biogas for generating or civilian use.
Outer circulation zymotechnique device of the present invention, comprise fermentor tank, heat-exchanger rig, opening for feed, inner membrance, adventitia, safety valve, bleeder valve, gas blower, temperature sensor, motorized valve, recycle pump, vacuum breaker and Controlling System, it is characterized in that the outer side of described fermentor tank is equipped with interchanger and the feed valve opposite side is equipped with methane outlet valve and bleeder valve, the tank top is equipped with inner membrance and adventitia in turn, this adventitia top is equipped with safety valve, constitute inflatable chamber between inner membrance and the adventitia, described gas blower and pipeline are connected with this inflatable chamber, the jar bottom is equipped with temperature sensor, described Controlling System is installed on outside the fermentor tank, is electrically connected with temperature sensor and interchanger.
Described interchanger is connected with fermentor tank by vacuum breaker, motorized valve and the recycle pump of pipe connecting and upward connection thereof.Described fermentor tank be diameter greatly, highly little flat-section structure.Described Controlling System is the PLC controller.
The present invention compared with prior art has following advantage:
1, wide accommodation at the agricultural crop straw design, is applicable to that simultaneously the anaerobically fermenting of all kinds of aquaculture dirts and industrial sewage is handled;
2, perishable in tank body, the difficult shortcoming of safeguarding of built-in heat-exchanger rig has been avoided in employing outer circulation type heating, can prevent simultaneously owing to the influence of poor sealing to anerobe.
3, material stirs with heating and finishes by a cover material recycle pump, saves facility investment;
4, fermentation unit double as gas storage holder uses, and needn't build gas holder in addition, reduces investment outlay, and reduces floor space;
5, gas storage system does not have water seal, oil sealing and spring, and not being afraid of freezes need not heat;
6, gas storage system does not have guide rail, and no lifting piston need not counterweight;
7, apparatus structure is simple, is easy to safeguard that the trouble spot is few, and failure rate is low, and running cost is low.
Four, description of drawings
Accompanying drawing is an apparatus structure synoptic diagram of the present invention.
Five, embodiment
A kind of outer circulation zymotechnique comprises the processing step of following order: (A) charging; (B) heat tracing fermentation; (C) discharging is characterized in that described processing step (A), (B), (C) carry out in waterpower circulation technology device, step (A) is to be gone in the fermentor tank 4 of waterpower circulation technology device by the discharge port spontaneous current of dry type fermentation unit 1; Step (B) is to detect temperature in the fermentor tank by the temperature sensor 11 that is arranged on the fermentor tank 4, when its temperature is lower than design temperature, Controlling System 15 automatic ON cycle pumps 13 by this device are extracted into the material in the fermentor tank 4 in the heat-exchanger rig 2, material returned in the fermentor tank 4 through recycle pump 13 after temperature raise, circulate material in this step stirred fermentor 4 reaches design temperature simultaneously; Step (C) material is constantly fermentation in fermentor tank 4, produces biogas, natural pond slag and natural pond liquid, discharges from outlet separately.
The heat exchange that material is pumped in the heat-exchanger rig 2 in the fermentor tank 4 in the described step (B) is the outer circulation type of heating.In the material heat-processed in the described fermentor tank 4, when material recycle pump 2 is pumped, form eddy current in the fermentor tank 4 and stir.Described biogas is discharged from the venting port 8 of fermentor tank 4, supplies with civilian or the generating set generating.Natural pond liquid and natural pond slag are discharged from discharging valve port 9.
Consult accompanying drawing, a kind of outer circulation zymotechnique device comprises fermentor tank 4, heat-exchanger rig 2, opening for feed 3, inner membrance 5, adventitia 6, safety valve 7, discharging valve port 9, gas blower 10, temperature sensor 11, motorized valve 12, material recycle pump 13, vacuum breaker 14, dry type fermentation unit 1 and Controlling System 15.Fermentor tank 4 outer sides are equipped with interchanger 2 and feed valve 3, and opposite side is equipped with methane outlet valve 8 and discharging valve port 9, and the tank top is equipped with inner membrance 5 and adventitia 6 in turn, and these adventitia 6 tops are equipped with safety valve 7, constitute inflatable chamber between inner membrance 5 and the adventitia 6.Gas blower and pipeline 10 are connected with this inflatable chamber.The jar bottom is equipped with temperature sensor 11, and Controlling System 15 is installed on outside the fermentor tank 4, is electrically connected with temperature sensor 11 and interchanger 2.
Interchanger 2 is connected with fermentor tank 4 by vacuum breaker 14, motorized valve 12 and the material recycle pump 13 of pipe connecting and upward connection thereof.Fermentor tank 4 be diameter greatly, highly little flat-section structure.Controlling System 15 is the PLC controller.
Claims (8)
1. outer circulation zymotechnique comprises the processing step of following order: (A) charging; (B) heat tracing fermentation; (C) discharging is characterized in that described processing step (A), (B), (C) carry out in waterpower circulation technology device, step (A) is that the discharge port by the dry type fermentation unit flows in the fermentor tank of this device naturally; Step (B) is to detect temperature in the fermentor tank by the temperature sensor that is arranged on this device fermentor tank, when its temperature is lower than design temperature, Controlling System by this device is opened automatically, recycle pump is extracted into the material in the fermentor tank in the heat-exchanger rig, material returned in the fermentor tank through recycle pump after temperature raise, circulate material in this step stirred fermentor reaches design temperature simultaneously; Step (C) material constantly ferments in fermentor tank and produces biogas, and natural pond slag and natural pond liquid are discharged from outlet separately.
2. outer circulation zymotechnique according to claim 1 is characterized in that the heat exchange that material is pumped in the heat-exchanger rig in the fermentor tank in the described step (B) is the outer circulation type of heating.
3. outer circulation zymotechnique according to claim 1 and 2 is characterized in that the material in the described fermentor tank, when being pumped by recycle pump in heat-processed, forms eddy current in the fermentor tank and stirs.
4. outer circulation zymotechnique according to claim 1 is characterized in that described biogas from the discharge of fermentor tank venting port, and natural pond liquid, natural pond slag are discharged from the discharging valve port.
5. outer circulation zymotechnique device, comprise fermentor tank, heat-exchanger rig, opening for feed, inner membrance, adventitia, safety valve, bleeder valve, gas blower, temperature sensor, motorized valve, recycle pump, vacuum breaker and Controlling System, it is characterized in that the outer side of described fermentor tank is equipped with interchanger and the feed valve opposite side is equipped with methane outlet valve and bleeder valve, the tank top is equipped with inner membrance and adventitia in turn, this adventitia top is equipped with safety valve, constitute inflatable chamber between inner membrance and the adventitia, described gas blower and pipeline are connected with this inflatable chamber, the jar bottom is equipped with temperature sensor, described Controlling System is installed on outside the fermentor tank, is electrically connected with temperature sensor and interchanger.
6. outer circulation zymotechnique device according to claim 5 is characterized in that described interchanger is connected with fermentor tank by pipe connecting and the vacuum breaker, the motorized valve that upward connect and the ring pump of hesitating.
7. according to claim 5 or 6 described outer circulation zymotechnique devices, it is characterized in that described fermentor tank be diameter greatly, highly little flat-section structure.
8. outer circulation zymotechnique device according to claim 5 is characterized in that described Controlling System is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010174351A CN101864454A (en) | 2010-05-07 | 2010-05-07 | External circulating fermentation technique and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010174351A CN101864454A (en) | 2010-05-07 | 2010-05-07 | External circulating fermentation technique and device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101864454A true CN101864454A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010174351A Pending CN101864454A (en) | 2010-05-07 | 2010-05-07 | External circulating fermentation technique and device thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242058A (en) * | 2011-04-25 | 2011-11-16 | 北京愿景宏能源环保科技发展有限公司 | Anaerobic fermentation system |
| CN102517215A (en) * | 2011-12-02 | 2012-06-27 | 北京新节点生物工程技术有限责任公司 | Small bioreactor |
| CN102653717A (en) * | 2012-05-28 | 2012-09-05 | 上海齐德环保科技有限公司 | Anaerobic fermentation and gas storage integrated tank |
| CN103173349A (en) * | 2011-12-23 | 2013-06-26 | 新奥科技发展有限公司 | Equipment and method for producing biogas by using dry anaerobic digestion |
| CN104673657A (en) * | 2015-02-10 | 2015-06-03 | 北京海珍志阔科技有限公司 | Device for effectively preparing biogas through secondary high-temperature anaerobic fermentation of composite material and method thereof |
| CN107400629A (en) * | 2016-05-18 | 2017-11-28 | 北京科林思源能源环境科技发展有限责任公司 | The self-loopa of anaerobism material and tank external heat integrated technique in a kind of super-huge anaerobic reaction-pot |
| CN107418877A (en) * | 2017-09-20 | 2017-12-01 | 南京通用电气装备有限公司 | A kind of Novel anaerobic fermentation tank and up-flow full-mixing type anaerobic fermentation system |
| CN107828649A (en) * | 2017-11-07 | 2018-03-23 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process |
| CN107860082A (en) * | 2017-11-07 | 2018-03-30 | 浙江约顿智造科技有限公司 | A kind of inside and outside film air convection air film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538798Y (en) * | 2001-11-21 | 2003-03-05 | 李占慧 | Water circulation system for methane tank |
| CN200992551Y (en) * | 2006-12-22 | 2007-12-19 | 齐永先 | Methane fermented material external-cycle heating device |
| CN201317771Y (en) * | 2008-12-03 | 2009-09-30 | 北京盈和瑞环保设备有限公司 | Gas generating and storing integrative methane generator |
-
2010
- 2010-05-07 CN CN201010174351A patent/CN101864454A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538798Y (en) * | 2001-11-21 | 2003-03-05 | 李占慧 | Water circulation system for methane tank |
| CN200992551Y (en) * | 2006-12-22 | 2007-12-19 | 齐永先 | Methane fermented material external-cycle heating device |
| CN201317771Y (en) * | 2008-12-03 | 2009-09-30 | 北京盈和瑞环保设备有限公司 | Gas generating and storing integrative methane generator |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242058A (en) * | 2011-04-25 | 2011-11-16 | 北京愿景宏能源环保科技发展有限公司 | Anaerobic fermentation system |
| CN102242058B (en) * | 2011-04-25 | 2012-12-26 | 北京愿景宏能源环保科技发展有限公司 | Anaerobic fermentation system |
| CN102517215A (en) * | 2011-12-02 | 2012-06-27 | 北京新节点生物工程技术有限责任公司 | Small bioreactor |
| CN103173349A (en) * | 2011-12-23 | 2013-06-26 | 新奥科技发展有限公司 | Equipment and method for producing biogas by using dry anaerobic digestion |
| CN103173349B (en) * | 2011-12-23 | 2016-01-20 | 新奥科技发展有限公司 | Equipment and method for producing biogas by dry anaerobic fermentation |
| CN102653717A (en) * | 2012-05-28 | 2012-09-05 | 上海齐德环保科技有限公司 | Anaerobic fermentation and gas storage integrated tank |
| CN104673657B (en) * | 2015-02-10 | 2015-12-16 | 北京海珍志阔科技有限公司 | Compound material secondary high-temperature anaerobic fermentation efficiently prepares the devices and methods therefor of biogas |
| CN104673657A (en) * | 2015-02-10 | 2015-06-03 | 北京海珍志阔科技有限公司 | Device for effectively preparing biogas through secondary high-temperature anaerobic fermentation of composite material and method thereof |
| CN107400629A (en) * | 2016-05-18 | 2017-11-28 | 北京科林思源能源环境科技发展有限责任公司 | The self-loopa of anaerobism material and tank external heat integrated technique in a kind of super-huge anaerobic reaction-pot |
| CN107418877A (en) * | 2017-09-20 | 2017-12-01 | 南京通用电气装备有限公司 | A kind of Novel anaerobic fermentation tank and up-flow full-mixing type anaerobic fermentation system |
| CN107828649A (en) * | 2017-11-07 | 2018-03-23 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process |
| CN107860082A (en) * | 2017-11-07 | 2018-03-30 | 浙江约顿智造科技有限公司 | A kind of inside and outside film air convection air film |
| CN107860082B (en) * | 2017-11-07 | 2023-11-28 | 浙江约顿智造科技有限公司 | Air convection type air film with inner film and outer film |
| CN107828649B (en) * | 2017-11-07 | 2024-04-09 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic biogas fermentation tank thermal compensation system and process method thereof |
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Application publication date: 20101020 |