CN105543080B - A kind of integrated methane generating means - Google Patents
A kind of integrated methane generating means Download PDFInfo
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- CN105543080B CN105543080B CN201610090163.2A CN201610090163A CN105543080B CN 105543080 B CN105543080 B CN 105543080B CN 201610090163 A CN201610090163 A CN 201610090163A CN 105543080 B CN105543080 B CN 105543080B
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- 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
- C12M23/36—Means for collection or storage of gas; Gas holders
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- 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
- C12M23/58—Reaction vessels connected in series or in parallel
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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
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
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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 a kind of integrated methane generating means, it has been sequentially connected in series homogenate pond, pre fermentation pond, anaerobic fermentation pond, slag-liquid separation pond and marsh gas purifying area, homogenate pond top is equipped with feed inlet and biogas slurry import, the homogenate pond and pre fermentation pond are closed babinets, baffle compartment is equipped between homogenate pond and pre fermentation pond, baffle compartment is equipped with material path；The pre fermentation pond is connected with anaerobic fermentation pond by charge tube, anaerobic fermentation pond, slag-liquid separation pond and marsh gas purifying area are unlimited babinets, anaerobic fermentation pond and slag-liquid separation pond are equipped with double mode gas storage holder, and marsh gas purifying area is connected by pipeline with double mode gas storage holder.The present invention need not set special gas storage holder, while closed space is also provided for anaerobic fermentation；Cost investment is substantially reduce the number, is shortened the construction period, is taken up little area, can be buried, factor of created gase is high, and unsuitable gas leakage, maintenance is convenient, and operation the degree of automation is high.
Description
Technical field
The present invention relates to the technical field of biogas production, and in particular to a kind of integrated methane generating means.
Background technology
Energy problem and environmental problem are the main problem that countries in the world today is faced in evolution.In China,
With the rapid development of economy, energy resources supply and demand structure conflict protrudes, the shortage of energy resources, which will become, restricts China's economy
One of principal element of upgrading and great-leap-forward development.At the same time, the expansion of the increase of population, city size and industrial and agricultural production
Greatly, production and house refuse cause the serious pollution of urban and rural environment.On the other hand, fermentation equipment ratio is also faced
Relatively fall behind, not yet form the scale of industry, biogas facility manufacturing industry lags behind in production, the development and utilization degree of downstream product not
It is enough to wait challenge.China's feces of livestock and poultry, agricultural crop straw, the Methane Resources of night soil enrich, me is solved using methane engineering technology
Energy problem of state has a high potential with what is preserved the ecological environment.At present, the large, medium and small biogas engineering in China builds comparative maturity,
Be engaged in biogas engineering design, construction enterprises it is also very much, process route also has their own characteristics each, and especially at nearly 2 years, technology, product also exist
Constantly improve and progress, technology have new development.Nevertheless, in recent years, the popularization and development also one of biogas engineering
The straight puzzlement for receiving many problems such as investment is big, income is low, it is difficult to build pond, management difficulty, a small amount of built biogas engineering, which is in, to stop
The state only or being partly stopped, or even there is biogas engineering just to fail to enable after building up.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of integrated methane generating means, in original technology
On the basis of reformed the integration for realizing aerogenesis gas storage, reduce investment outlay 20% or so than conventional two-piece, can partly be embedded in ground
Under, take up an area and save 30%, the duration shortens half or so.Safe to use by the way of low pressure gas storage, slip is low.
In order to achieve the above object, the technical scheme is that：A kind of integrated methane generating means, has been sequentially connected in series
Pond, pre fermentation pond, anaerobic fermentation pond, slag-liquid separation pond and marsh gas purifying area are homogenized, homogenate pond top is equipped with feed inlet and biogas slurry
Import, the homogenate pond and pre fermentation pond are closed babinets, are homogenized between pond and pre fermentation pond and are equipped with baffle compartment, baffle every
Section is equipped with material path；The pre fermentation pond is connected with anaerobic fermentation pond by charge tube, anaerobic fermentation pond, slag-liquid separation pond
It is unlimited babinet with marsh gas purifying area, anaerobic fermentation pond and slag-liquid separation pond are equipped with dual-membrane type gas storage holder, marsh gas purifying area
It is connected by pipeline with dual-membrane type gas storage holder.
Biogas slurry reflux pump is equipped with the slag-liquid separation pond, biogas slurry reflux pump is connected with biogas slurry return-flow system, and biogas slurry is returned
Streaming system is connected with homogenate pond.
Agitating device is equipped with the homogenate pond, agitating device is in the middle part of homogenate pond；The agitating device include motor,
Gear reducer, transmission shaft and blade, motor are connected with gear reducer, and gear reducer is connected with transmission shaft, and transmission shaft lower part is equipped with leaf
Piece.
It is equipped with material lifting in the pre fermentation pond to pump, material lifting pump is connected by pipeline with charge tube；It is described to detest
Material separator and cloth system are equipped with aerobe fermentation pond, material separator is connected with cloth system, and cloth system, which is located at, to be detested
The lower part in aerobe fermentation pond.
The slag-liquid separation pond is equipped with biogas residue from return-flow system and biogas residue exhaust system；The marsh gas purifying area is equipped with natural pond
Gas booster pump, spark arrester, moisture trap and desulfurizer, Marsh gas booster pump are connected with moisture trap, moisture trap
It is connected with desulfurizer, desulfurizer is connected with spark arrester.
Sludge concentration instrument is equipped with the homogenate pond, is equipped with VFA on-line monitoring systems in anaerobic fermentation pond, VFA is supervised online
Examining system is located at the top in anaerobic fermentation pond；The material lifting pump, biogas slurry reflux pump, sludge concentration instrument and VFA on-line monitorings
System is connected with electric control system.
The quantity of the material lifting pump is equipped with 2,2 material lifting parallel connection of pumps connections.
The dual-membrane type gas storage holder is connected by pipeline with Marsh gas booster pump, and Marsh gas booster pump passes through pipeline and air water point
It is connected from device, moisture trap is connected by pipeline with desulfurizer, and desulfurizer is connected by pipeline with spark arrester.
The homogenate pond is closed cylindrical box, and pre fermentation pond is closed square box, anaerobic fermentation pond and slag
Liquid separate tank is unlimited square box, and marsh gas purifying area is closed square box.
The present invention is reformed on the basis of using original technology, by homogenate pond, pre fermentation pond, anaerobic fermentation pond, slag
Together with liquid separate tank is sequentially connected in series with marsh gas purifying area, realize the integration of aerogenesis gas storage, it is not necessary to which special storage is set again
Gas holder, while closed space is also provided for anaerobic fermentation；Cost investment is substantially reduce the number, shortens the duration, is taken up little area, can
Buried, factor of created gase is high, unsuitable gas leakage, and operation the degree of automation is high, and maintenance is convenient；It is safe to use by the way of low pressure gas storage,
Slip is low, and winter also can normal operation；The investment that solves original biogas engineering is big, income is low, it is difficult to build pond, management difficulty etc. is all
The puzzlement of more problems；It is adapted to the fermentation raw material of various concentration, the minimizing of discarded object, innoxious, recycling is realized, before popularization
Scape is wide.Compared with conventional two-piece biogas generating device, the present invention reduces investment outlay 20% or so, can partly be embedded in underground, takes up an area
30% is saved, the duration shortens half or so.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural plan figure figure of the present invention.
Fig. 2 is A-A profiles in this Fig. 1.
Fig. 3 is the pipeline connection figure of the present invention.
In figure, 1 is homogenate pond, and 2 be pre fermentation pond, and 3 be anaerobic fermentation pond, and 4 be slag-liquid separation pond, and 5 be marsh gas purifying area,
6 be dual-membrane type gas storage holder, and 7 be sludge concentration instrument, and 8 be agitating device, and 9 pump for material lifting, and 10 be material diversion device, and 11 be cloth
Material system, 12 be VFA on-line monitoring systems, and 13 be Marsh gas booster pump, and 14 be spark arrester, and 15 be biogas slurry return-flow system, and 16 be natural pond
Slag exhaust system, 17 be desulfurizer, and 18 be moisture trap, and 19 be biogas slurry reflux pump, and 20 be charge tube.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of integrated methane generating means, has been sequentially connected in series homogenate pond 1, pre fermentation pond
2nd, anaerobic fermentation pond 3, slag-liquid separation pond 4 and marsh gas purifying area 5, homogenate 1 top of pond are equipped with feed inlet and biogas slurry import, feed inlet
Positioned at the top of biogas slurry import, for conveying material into it.It is closed babinet to be homogenized pond 1 and pre fermentation pond 2, is homogenized pond 1
Baffle compartment is equipped between pre fermentation pond 2, baffle compartment is equipped with material path, pre- for the material for being homogenized pond 1 to be delivered to
In fermentation vat 2.Pre fermentation pond 2 is connected with anaerobic fermentation pond 3 by charge tube 20, anaerobic fermentation pond 3,4 and of slag-liquid separation pond
Marsh gas purifying area 5 is unlimited babinet, and anaerobic fermentation pond 3 and slag-liquid separation pond 4 are equipped with dual-membrane type gas storage holder 6, marsh gas purifying
Area 5 is connected by pipeline with dual-membrane type gas storage holder 6.
Homogenate pond 1 is closed cylindrical box, agitating device 8 is equipped with homogenate pond 1, agitating device 8 is positioned at homogenate pond 1
Middle part, realizes the stirring to its interior material.Agitating device 8 includes motor, gear reducer, transmission shaft and blade, motor and gear reducer
It is connected, gear reducer is connected with transmission shaft, and transmission shaft lower part is equipped with blade.Agitating device 8 is realized to its interior thing by motor
The uniform stirring of material.Baffle compartment is equipped between homogenate pond 1 and pre fermentation pond 2, baffle compartment is equipped with material path, only containing solid
The satisfactory material of rate just can enter pre fermentation pond 2 by material path.
The closed square box in pre fermentation pond 2, material complete two pre fermentation stages of hydrolysis acidification in this babinet.Anaerobism
Fermentation vat 3 is unlimited square box, and material completes fermentation process of biogas in it.Feed separation is equipped with anaerobic fermentation pond 3
Device 10 and cloth system 11, material separator 10 are connected with cloth system 11.Material separator 10 and cloth system 11 are located at
The lower section of charge tube 20, cloth system 11 are located at the lower part in anaerobic fermentation pond 3, and material separator 10 realizes the separation of material, cloth
Material system 11 is applied in the lower part in anaerobic fermentation pond 3.The material that cloth system 11 makes to deliver into babinet is more uniform, avoids
Dead band, while play the role of hydraulic mixing, improve fermentation efficiency.Baffle is equipped between anaerobic fermentation pond 3 and slag-liquid separation pond 4
There are certain space in compartment, the baffle compartment lower part with anaerobic fermentation pond 3, the bottom in slag-liquid separation pond 4, realize anaerobic fermentation pond
3 and the connection in slag-liquid separation pond 4.
Slag-liquid separation pond 4 is unlimited square box, and the material of mixing completes biogas residue, biogas slurry by gravity herein
Separation.Slag-liquid separation pond 4 is equipped with biogas residue from return-flow system and biogas residue exhaust system 16.Biogas residue can be by biogas residue from return-flow system
It is back in this pond, increases the content of anaerobic fermentation bacterium.Biogas residue exhaust system 16 is used to carry out the biogas residue in slag-liquid separation pond 4
Cleaning, periodically suction, avoids biogas residue from depositing.
Anaerobic fermentation pond 3 and slag-liquid separation pond 4 are equipped with dual-membrane type gas storage holder 6, the top of slag-liquid separation pond 4 and anaerobic fermentation
Pond 3 shares dual-membrane type gas storage holder 6, and dual-membrane type gas storage holder 6 is connected to logical with anaerobic fermentation pond 3, slag-liquid separation pond 4.Anaerobism is sent out
Ferment pond 3 configures positive/negative pressure protector with slag-liquid separation pond 4, prevents the superpressure or negative pressure of equipment.Dual-membrane type gas storage holder 6 passes through pipe
Road is connected with marsh gas purifying area 5.The biogas that anaerobic fermentation pond 3 and the fermentation of slag-liquid separation pond 4 produce enters the dual-membrane type on top
Gas storage holder 6 stores, and is then entered by pipeline in marsh gas purifying area 5.
Marsh gas purifying area 5 is closed square box, and Marsh gas booster pump 13, spark arrester 14, gas are equipped with marsh gas purifying area 5
Separator 18 and desulfurizer 17, Marsh gas booster pump 13 and spark arrester 14 are located at the lower part in marsh gas purifying area 5.Marsh gas booster pump
13 are connected by pipeline with moisture trap 18, and moisture trap 18 is connected by pipeline with desulfurizer 17, desulfurization dress
17 are put by pipeline with spark arrester 14 to be connected.The outlet of spark arrester 14 is connected with gas consuming device, realizes the utilization of biogas.Above-mentioned pipe
Valve can be equipped with road, realizes the control to pipeline.
Preferably, biogas slurry reflux pump 19 is equipped with slag-liquid separation pond 4, biogas slurry reflux pump 19 is connected with biogas slurry return-flow system 15
Connect, biogas slurry import of the biogas slurry return-flow system 15 with being homogenized pond 1 is connected.Biogas slurry reflux pump 19 is arranged on the upper of slag-liquid separation pond 4
Portion, the biogas slurry of 4 internal upper part of slag-liquid separation pond are back to homogenate pond 1 by biogas slurry reflux pump 19 and biogas slurry return-flow system 15.Slag liquid
A biogas slurry part in separate tank 4 enters homogenate pond 1, using water wisely by pipeline；Another part biogas slurry enters farmland or fruit
Garden is as organic fertilizer.
Preferably, material lifting pump 9 is equipped with pre fermentation pond 2, material lifting pump 9 is connected by pipeline with charge tube 20
Connect.The quantity of material lifting pump 9 is equipped with 2, and 2 material lifting pumps 9 are connected in parallel.Material lifting pump 9 is by charge tube by thing
Material is delivered to anaerobic fermentation pond 3.The material being provided with beneficial to pre fermentation pond 2 of material lifting pump 9 is conveyed to anaerobic fermentation pond 3.
Preferably, it is homogenized in pond 1 and is equipped with sludge concentration instrument 7, VFA on-line monitoring systems 12 is equipped with anaerobic fermentation pond 3,
VFA on-line monitoring systems 12 are located at the top in anaerobic fermentation pond 3；The material lifting pump 9, biogas slurry reflux pump 19, sludge concentration
Instrument 7 and VFA on-line monitoring systems 12 are connected with electric control system.Concentration value can be pre-set by sludge concentration instrument 7,
Electric control system detection sludge concentration instrument 7 measures the sludge concentration in homogenate pond 1, when reaching the concentration value of setting, control
Biogas slurry reflux pump 19 is opened.VFA on-line monitoring systems 12 detect the VFA in anaerobic fermentation pond 3（Volatile fatty acid）Concentration,
When the VFA in anaerobic fermentation pond 3 exceedes certain numerical value, pass through the signal conveyed in VFA on-Line Monitor Devices 12, electrical control
System closes the operation of material elevator pump 9.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.
Claims (6)
- A kind of 1. integrated methane generating means, it is characterised in that：It has been sequentially connected in series homogenate pond（1）, pre fermentation pond（2）, anaerobism Fermentation vat（3）, slag-liquid separation pond（4）With marsh gas purifying area（5）, it is homogenized pond（1）Top is equipped with feed inlet and biogas slurry import, described It is homogenized pond（1）With pre fermentation pond（2）It is closed babinet, is homogenized pond（1）With pre fermentation pond（2）Between be equipped with baffle compartment, keep off Plate compartment is equipped with material path；The pre fermentation pond（2）With anaerobic fermentation pond（3）Pass through charge tube（20）It is connected, anaerobism hair Ferment pond（3）, slag-liquid separation pond（4）With marsh gas purifying area（5）It is unlimited babinet, anaerobic fermentation pond（3）With slag-liquid separation pond（4） It is equipped with dual-membrane type gas storage holder（6）, marsh gas purifying area（5）Pass through pipeline and dual-membrane type gas storage holder（6）It is connected；The slag-liquid separation pond（4）It is interior to be equipped with biogas slurry reflux pump（19）, biogas slurry reflux pump（19）With biogas slurry return-flow system（15）Phase Connection, biogas slurry return-flow system（15）With being homogenized pond（1）It is connected；The pre fermentation pond（2）The interior material lifting that is equipped with pumps（9）, material lifting pump（9）Pass through pipeline and charge tube（20）It is connected Connect；The anaerobic fermentation pond（3）It is interior to be equipped with material separator（10）And cloth system（11）, material separator（10）With cloth system System（11）It is connected, cloth system（11）Positioned at anaerobic fermentation pond（3）Lower part；The anaerobic fermentation pond（3）With slag-liquid separation pond（4）Between be equipped with baffle compartment, baffle compartment lower part and anaerobic fermentation pond （3）, slag-liquid separation pond（4）Bottom have space；The slag-liquid separation pond（4）Biogas residue is equipped with from return-flow system and biogas residue exhaust system（16）；The marsh gas purifying area（5） Equipped with Marsh gas booster pump（13）, spark arrester（14）, moisture trap（18）And desulfurizer（17）, Marsh gas booster pump（13）With gas Separator（18）It is connected, moisture trap（18）With desulfurizer（17）It is connected, desulfurizer（17）With spark arrester （14）It is connected.
- 2. integrated methane generating means according to claim 1, it is characterised in that：The homogenate pond（1）Interior be equipped with is stirred Mix device（8）, agitating device（8）Positioned at homogenate pond（1）Middle part；The agitating device（8）Including motor, gear reducer, transmission shaft And blade, motor are connected with gear reducer, gear reducer is connected with transmission shaft, and transmission shaft lower part is equipped with blade.
- 3. integrated methane generating means according to claim 1, it is characterised in that：The homogenate pond（1）It is interior to be equipped with dirt Mud concentration meter（7）, anaerobic fermentation pond（3）It is interior to be equipped with VFA on-line monitoring systems（12）, VFA on-line monitoring systems（12）Positioned at detesting Aerobe fermentation pond（3）Top；The material lifting pump（9）, biogas slurry reflux pump（19）, sludge concentration instrument（7）Monitored on-line with VFA System（12）It is connected with electric control system.
- 4. integrated methane generating means according to claim 1, it is characterised in that：The material lifting pump（9）Number Amount is equipped with 2,2 material lifting pumps（9）It is connected in parallel.
- 5. integrated methane generating means according to claim 3, it is characterised in that：The dual-membrane type gas storage holder（6）It is logical Piping and Marsh gas booster pump（13）It is connected, Marsh gas booster pump（13）Pass through pipeline and moisture trap（18）It is connected, air water Separator（18）Pass through pipeline and desulfurizer（17）It is connected, desulfurizer（17）Pass through pipeline and spark arrester（14）It is connected.
- 6. integrated methane generating means according to claim 3, it is characterised in that：The homogenate pond（1）To be closed Cylindrical box, pre fermentation pond（2）For closed square box, anaerobic fermentation pond（3）With slag-liquid separation pond（4）For unlimited side Shape babinet, marsh gas purifying area（5）For closed square box.
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| CN105907800A (en) * | 2016-06-28 | 2016-08-31 | 农业部沼气科学研究所 | Pre-inoculated anaerobic fermentation device and process thereof |
| CN106978331A (en) * | 2017-05-06 | 2017-07-25 | 赤峰中元晟华生物燃气项目建设有限责任公司 | Large-sized biogas engineering fermentative production system and method |
| CN110872552A (en) * | 2018-08-30 | 2020-03-10 | 滦南林海科技发展有限责任公司 | Greenhouse biogas engineering structure |
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| CN202830024U (en) * | 2012-08-17 | 2013-03-27 | 滕昆辰 | Anaerobic digestion integrated device for organic household garbage |
| CN202912948U (en) * | 2012-07-08 | 2013-05-01 | 安徽阜阳永志环能工程有限公司 | Secondary anaerobic fermentation device |
| CN205473790U (en) * | 2016-02-18 | 2016-08-17 | 河南鸿昇环保设备制造有限公司 | Integration marsh gas generating device |
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2016
- 2016-02-18 CN CN201610090163.2A patent/CN105543080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601101A (en) * | 2011-01-24 | 2012-07-25 | 北京中源创能工程技术有限公司 | Method for realizing innocent treatment and comprehensive utilization of kitchen waste |
| CN202912948U (en) * | 2012-07-08 | 2013-05-01 | 安徽阜阳永志环能工程有限公司 | Secondary anaerobic fermentation device |
| CN202830024U (en) * | 2012-08-17 | 2013-03-27 | 滕昆辰 | Anaerobic digestion integrated device for organic household garbage |
| CN205473790U (en) * | 2016-02-18 | 2016-08-17 | 河南鸿昇环保设备制造有限公司 | Integration marsh gas generating device |
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