CN103074208A - High-concentration straw methane fermentation equipment - Google Patents
High-concentration straw methane fermentation equipment Download PDFInfo
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- CN103074208A CN103074208A CN2013100339726A CN201310033972A CN103074208A CN 103074208 A CN103074208 A CN 103074208A CN 2013100339726 A CN2013100339726 A CN 2013100339726A CN 201310033972 A CN201310033972 A CN 201310033972A CN 103074208 A CN103074208 A CN 103074208A
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- pipe
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- slag
- plate
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Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 76
- 230000004151 fermentation Effects 0.000 title claims abstract description 76
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000010902 straw Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 230000005484 gravity Effects 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 26
- 239000002893 slag Substances 0.000 claims abstract description 22
- 239000003818 cinder Substances 0.000 claims description 26
- 125000006850 spacer group Chemical group 0.000 claims description 26
- 239000000155 melt Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- 230000029087 digestion Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000002994 raw material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
-
- 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
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/04—Phase separators; Separation of non fermentable material; Fractionation
-
- 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
Abstract
The invention belongs to the field of energy sources and relates to high-concentration straw methane fermentation equipment which comprises a fermentation tank (11) and a liquid storage unit (1), wherein a feed pipe (10) and a methane pipe orifice (9) are arranged at the top of a tank body; a slag discharge port (7) is formed at the bottom of the tank body; the feed pipe (10) is internally provided with a gravity material pusher (6); a circular-table-shaped slag blocking ring plate (14) is mounted at the upper part in the tank body; the upper end of the slag blocking ring plate (14) is connected with an outlet of the feed pipe (10) and the lower end thereof is connected with an internal wall of the tank body; sieve pores are formed in the ring plate; a liquid-slag separation plate (16) is mounted at the lower part in the tank body; sieve pores are formed in the liquid-slag separation plate (16); the periphery of the liquid-slag separation plate (16) is connected with the internal wall of the tank body; a liquid discharge pipe (3) is arranged at the bottom of the fermentation tank (11); and an outlet of the liquid discharge pipe (3) corresponds to or is connected with the liquid storage unit (1). The high-concentration straw methane fermentation equipment can directly consume bulky-grain straw, is low in energy consumption, smooth in feeding and discharging, and low in input-output ratio.
Description
Technical field
The invention belongs to energy field, be specifically related to a kind of high density straw methane fermentation device.
Background technology
The agricultural crop straw wide material sources, stock number is large, and a large amount of stalks are failed effectively to be processed and are brought series of environmental problems.The straw biogas utilization can effectively solve this difficult problem, produces simultaneously bioenergy---the biogas of high-quality, has become one of important means of stalk resource utilization.The raw material of existing stalk continuous fermentation apparatus generally need to be done the pre-treatment such as pulverizing, because of its poor fluidity, usually needs to adopt mechanical stirring to realize mass-and heat-transfer.The stalk light specific gravity enters behind the fermentation unit easily that come-up forms duricrust, and the biogas that causes producing gathers and is obstructed the raw material availability reduction in the pond in.Cause existing stalk marsh gas continuous fermentation apparatus material concentration low, discharging relies on mechanical means to finish substantially, and equipment investment is large, and energy consumption is high, and anaerobic digestion gas production efficient is low.
Summary of the invention
It is low to the object of the invention is to overcome in the prior art stalk marsh gas continuous fermentation apparatus material concentration, raw material availability is low, discharging relies on mechanical means, equipment investment is large, and energy consumption is high, the inefficient defective of anaerobic digestion gas production, provide a kind of and can directly digest the macrobead stalk, energy consumption is low, and input and output material is smooth and easy, the high density straw methane fermentation device that input-output ratio is low.
The objective of the invention is to be achieved through the following technical solutions:
High density straw methane fermentation device of the present invention is comprised of fermentor tank (11) and storage liquid unit (1), fermentor tank (11) is vertical tank body, the tank body top is provided with feed-pipe (10) and with the biogas mouth of pipe (9) of valve, tank base is provided with the slag-drip opening (7) with valve, it is characterized in that being equipped with in the feed-pipe (10) gravity stock pusher (6), by gravity stock pusher (6) sealing feed-pipe (10); The tank body top is provided with the backflow mouth of pipe (5), and the backflow mouth of pipe (5) links to each other with storage liquid unit (1) by recycle pump (2); Tank body top is provided with upflow tube (8), and the low spot of upflow tube (8) is higher than the outlet of feed-pipe (10), and high point is lower than the import of the biogas mouth of pipe (9); The tank body internal upper part is equipped with round table-like pushing off the slag ring flat-plate (14), and pushing off the slag ring flat-plate (14) upper end is connected with the outlet of feed-pipe (10), and pushing off the slag ring flat-plate (14) lower end is connected with inner tank wall, opens sieve aperture on the ring flat-plate; Melt cinder spacer plate (16) is equipped with in the bottom in the tank body, and melt cinder spacer plate (16) tilts to install, and the melt cinder spacer plate is opened sieve aperture on (16), and periphery is connected with inner tank wall, and the minimum position of melt cinder spacer plate (16) links to each other with the bottom of slag-drip opening (7); Fermentor tank (11) bottom is provided with the liquid discharge pipe (3) with valve, and the outlet of liquid discharge pipe (3) is corresponding with storage liquid unit (1) or continuous.
In the such scheme, described fermentor tank (11) inner tank wall is equipped with communicating pipe (4), the high-end high point that is higher than upflow tube (8) of communicating pipe (4), and the bottom of communicating pipe (4) is positioned at the high-order bit of melt cinder spacer plate (16).
In the such scheme, described storage liquid unit (1) is liquid storing pool or receiver.
In the such scheme, the outlet of described upflow tube (8) is corresponding with storage liquid unit (1) or continuous.
In the such scheme, described gravity stock pusher (6) is running fit with feed-pipe (10), gravity stock pusher (6) can be free to slide in feed-pipe (10), gravity stock pusher (6) top and feed-pipe (10) top are provided with stuck device, prevent that gravity stock pusher (6) from slipping in the fermentor tank (11) by feed-pipe (10).
In the such scheme, described pushing off the slag ring flat-plate (14) tapering is greater than 30 °, and melt cinder spacer plate (16) angle of inclination is greater than 15 °.
Principle of the present invention is: the design by fermentation unit makes fermentation materials rest on the reactor middle part, prevents scum silica frost come-up crust; The design weight drive unit makes the high gravity fermentation material under the effect of gravity and charging impellent, from top to bottom automatically walking; Backflow submerged fermentation liquid makes the Primary Fermentation mineralization pressure poor to the top, impels fermented liquid uniformly penetrating in fermentation materials, realizes that anaerobion fully contacts with fermentation materials, the promotion anaerobic digestion continuously, efficiently carry out.
In the high density straw methane fermentation device of the present invention, fermentor tank is comprised of 4 parts such as air storage district, water seal district, Primary Fermentation district, inferior fermentation zones, and the top is the air storage district, and it is lower to be the water seal district, the feed-pipe bottom is goed deep under the water seal district liquid level, guarantees the resistance to air loss in air storage district.The pushing off the slag ring flat-plate separates water seal district and Primary Fermentation district, stops charging stalk come-up, and fermented liquid can enter by the aperture of ring flat-plate the Primary Fermentation district simultaneously, and pushing off the slag ring flat-plate tapering is convenient to the gravity stock pusher and is promoted fermentation materials to the motion of bottom, Primary Fermentation district greater than 30 °.The melt cinder spacer plate separates Primary Fermentation district and time fermentation zone, stops fermented stalk to enter time fermentation zone, and fermented liquid can enter by the aperture of melt cinder spacer plate time fermentation zone, and fermentation solid residue slip discharging is convenient to greater than 15 ° in melt cinder spacer plate angle of inclination.Upflow tube is used for the control liquid level, prevents that fermented liquid from entering the biogas pipe.Communicating pipe keeps the air pressure balance in time fermentation zone and air storage district, and anti-backflow fermented liquid is directly through directly entering time fermentation zone communicating pipe.
Beneficial effect of the present invention is: (1) the present invention can directly digest the macrobead stalk, saves the preprocessing process such as crushed stalk, utilizes gravity to promote fermentation materials and flows, and saves a large amount of energy consumptions; (2) the present invention can obviously improve the fermentation materials concentration of fermentation unit, and the controlled fermentation raw material effectively prevents stalk come-up crust under the water seal district; (3) the present invention by the submerged fermentation liquid that repeatedly refluxes to the top, the infiltration cycles of fermented liquid in the Primary Fermentation district, microorganism is fully contacted with fermentation materials, can significantly improve the volume yield rate of fermentation unit; (4) the present invention can realize fermentation residue and the automatic solid-liquid separation of fermented liquid, separation of fermentative broth is discharged by liquid discharge pipe by inferior fermentation zone, fermentation residue slides along the gravity flow of melt cinder spacer plate, discharge through slag-drip opening, realize slagging tap smoothly of fermentation unit, thereby guarantee that whole fermentation unit can stablize long-term operation.
Therefore, it is low that the present invention has overcome in the prior art stalk marsh gas continuous fermentation apparatus material concentration, raw material availability is low, and discharging relies on mechanical means, and equipment investment is large, energy consumption is high, the inefficient defective of anaerobic digestion gas production provides a kind of and can directly digest the macrobead stalk, and energy consumption is low, input and output material is smooth and easy, the high density straw methane fermentation device that input-output ratio is low.
Description of drawings
Fig. 1 is synoptic diagram of the present invention.
Fig. 2 is the schematic top plan view of Fig. 1.
In the accompanying drawing, 1: storage liquid unit, 2: recycle pump, 3: liquid discharge pipe, 4: communicating pipe, 5: the backflow mouth of pipe, 6: gravity stock pusher, 7: slag-drip opening, 8: upflow tube, 9: the biogas mouth of pipe, 10: feed-pipe, 11: fermentor tank, 12: water seal district, 13: air storage district, 14: the pushing off the slag ring flat-plate, 15: Primary Fermentation district, 16: melt cinder spacer plate, 17: inferior fermentation zone.
Embodiment
Be described in further detail the present invention below in conjunction with drawings and Examples, but the present invention is not limited only to described embodiment.
Embodiment one
This routine high density straw methane fermentation device as depicted in figs. 1 and 2, formed by fermentor tank 11 and storage liquid unit 1, fermentor tank 11 is vertical tank body, the tank body top is provided with feed-pipe 10 and with the biogas mouth of pipe 9 of valve, tank base is provided with the slag-drip opening 7 with valve, it is characterized in that being equipped with in the feed-pipe 10 gravity stock pusher 6, by gravity stock pusher 6 sealing feed-pipes 10; The tank body top is provided with the backflow mouth of pipe 5, and the backflow mouth of pipe 5 links to each other with storage liquid unit 1 by recycle pump 2; Tank body top is provided with upflow tube 8, and the low spot of upflow tube 8 is higher than the outlet of feed-pipe 10, and high point is lower than the import of the biogas mouth of pipe 9; The tank body internal upper part is equipped with round table-like pushing off the slag ring flat-plate 14, and pushing off the slag ring flat-plate 14 upper ends are connected with the outlet of feed-pipe 10, and pushing off the slag ring flat-plate 14 lower ends are connected with inner tank wall, open sieve aperture on the ring flat-plate; Melt cinder spacer plate 16 is equipped with in the bottom in the tank body, and melt cinder spacer plate 16 tilts to install, and opens sieve aperture on the melt cinder spacer plate 16, and periphery is connected with inner tank wall, and melt cinder spacer plate 16 minimum positions link to each other with the bottom of slag-drip opening 7; Fermentor tank 11 bottoms are provided with the liquid discharge pipe 3 with valve, and the outlet of liquid discharge pipe 3 is corresponding with storage liquid unit 1.
In this example, storage liquid unit 1 is liquid storing pool.The outlet of upflow tube 8 is corresponding with liquid storing pool 1.
Gravity stock pusher 6 is running fit with feed-pipe 10, and gravity stock pusher 6 can be free to slide in feed-pipe 10, and gravity stock pusher 6 tops and feed-pipe 10 tops are provided with stuck device, prevent that gravity stock pusher 6 from slipping in the fermentor tank 11 by feed-pipe 10.
Pushing off the slag ring flat-plate 14 taperings are greater than 30 °, and melt cinder spacer plate 16 angles of inclination are greater than 15 °.
This routine high density straw methane fermentation device working process is as follows:
This routine fermentor tank is divided into air storage district 13, water seal district 12, Primary Fermentation district 15, inferior fermentation zone 17 4 parts.After fermented liquid in fermented stalk and the liquid storing pool 1 mixes, under the promotion of gravity stock pusher 6, enter Primary Fermentation district 15 through feed-pipe 10, carry out anaerobic digestion.The acting in conjunction of pushing off the slag ring flat-plate 14 and gravity stock pusher 6, the charging stalk is in 12 bottoms, water seal district all the time, prevent that effectively stalk from forming floating layer, during next time charging, the stalk of raw feed is under the gravity pushing effect of gravity stock pusher 6, fermentation materials is moved to 15 bottoms, Primary Fermentation district, increase along with the charging number of times, fermented stalk is pushed to the fermentor tank foot gradually, stalk fully fermented and reached the fermentation ends phase this moment, under the impellent of next time charging, slide to slag-drip opening 7 along melt cinder spacer plate 16.
The percolate of fermented stalk enters time fermentation zone 17 through melt cinder spacer plate 16 and proceeds anaerobic digestion.The biogas that anaerobic digestion produces is discharged use by the biogas mouth of pipe 9 after entering 13 storages of air storage district.
In anaerobic digestion process, regularly the fermented liquid in the discharge time fermentation zone 17 is to liquid storing pool 1, by recycle pump 2 pumps to fermentor tank 11 tops, enter water seal district 12 through return line 5, make form between water seal district 12 and communicating pipe 4 liquid level difference, fermented liquid in the Primary Fermentation district 15 interior formation osmotic pressure, impel fermented liquid to flow in the fermented stalk inner penetration, the promotion microorganism fully contacts with fermentation materials, promotes anaerobic digestion efficient.
The liquid level in water seal district 12 is set by the vertex of upflow tube 8.
After the anaerobic digestion of described fermentation unit is finished, adopt the discharging of fermented liquid and fermentation residue order, its working method is as follows: close the biogas mouth of pipe 9, open liquid discharge pipe 3, discharge the fermented liquid in the fermentor tank 11, it is temporary to enter liquid storing pool 1, after the fermented liquid discharge is complete, open slag-drip opening 7, near the stalk fermentation residue 15 bottoms, Primary Fermentation district, the slag-drip opening 7 is under the compelling force effect of gravity or necessity, and 7 discharge fermentor tanks 11 along the melt cinder spacer plate from slag-drip opening.
Show the high density straw methane fermentation device based on segregation drive of embodiment from the result, operation energy consumption is low, anaerobic digestion efficient high, can efficient solution decide a material difficult problem, realizes that discharging is smooth and easy, can guarantee anaerobic digester system continuously, long-term, steady running.
Embodiment two
This routine high density straw methane fermentation device is not except installing communicating pipe, and all the other are with embodiment one.
Embodiment three
This routine high density straw methane fermentation device is receiver except storage liquid unit 1, and liquid discharge pipe 3 is connected with upflow tube with outside receiver is connected, and all the other are with embodiment one.
Claims (6)
1. high density straw methane fermentation device, formed by fermentor tank (11) and storage liquid unit (1), fermentor tank (11) is vertical tank body, the tank body top is provided with feed-pipe (10) and with the biogas mouth of pipe (9) of valve, tank base is provided with the slag-drip opening (7) with valve, it is characterized in that being equipped with in the feed-pipe (10) gravity stock pusher (6), by gravity stock pusher (6) sealing feed-pipe (10); The tank body top is provided with the backflow mouth of pipe (5), and the backflow mouth of pipe (5) links to each other with storage liquid unit (1) by recycle pump (2); Tank body top is provided with upflow tube (8), and the low spot of upflow tube (8) is higher than the outlet of feed-pipe (10), and high point is lower than the import of the biogas mouth of pipe (9); The tank body internal upper part is equipped with round table-like pushing off the slag ring flat-plate (14), and pushing off the slag ring flat-plate (14) upper end is connected with the outlet of feed-pipe (10), and pushing off the slag ring flat-plate (14) lower end is connected with inner tank wall, opens sieve aperture on the ring flat-plate; Melt cinder spacer plate (16) is equipped with in the bottom in the tank body, and melt cinder spacer plate (16) tilts to install, and the melt cinder spacer plate is opened sieve aperture on (16), and periphery is connected with inner tank wall, and the minimum position of melt cinder spacer plate (16) links to each other with the bottom of slag-drip opening (7); Fermentor tank (11) bottom is provided with the liquid discharge pipe (3) with valve, and the outlet of liquid discharge pipe (3) is corresponding with storage liquid unit (1) or continuous.
2. high density straw methane fermentation device according to claim 1, it is characterized in that described fermentor tank (11) inner tank wall is equipped with communicating pipe (4), the high-end high point that is higher than upflow tube (8) of communicating pipe (4), the bottom of communicating pipe (4) are positioned at the high-order bit of melt cinder spacer plate (16).
3. high density straw methane fermentation device according to claim 1 is characterized in that described storage liquid unit (1) is liquid storing pool or receiver.
4. high density straw methane fermentation device according to claim 1 is characterized in that the outlet of described upflow tube (8) is corresponding with storage liquid unit (1) or continuous.
5. high density straw methane fermentation device according to claim 1, it is characterized in that described gravity stock pusher (6) and feed-pipe (10) are running fit, gravity stock pusher (6) can be free to slide in feed-pipe (10), gravity stock pusher (6) top and feed-pipe (10) top are provided with stuck device, prevent that gravity stock pusher (6) from slipping in the fermentor tank (11) by feed-pipe (10).
6. high density straw methane fermentation device according to claim 1 is characterized in that described pushing off the slag ring flat-plate (14) tapering greater than 30 °, and melt cinder spacer plate (16) angle of inclination is greater than 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033972.6A CN103074208B (en) | 2013-01-29 | 2013-01-29 | High-concentration straw methane fermentation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033972.6A CN103074208B (en) | 2013-01-29 | 2013-01-29 | High-concentration straw methane fermentation equipment |
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| Publication Number | Publication Date |
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| CN103074208A true CN103074208A (en) | 2013-05-01 |
| CN103074208B CN103074208B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310033972.6A Expired - Fee Related CN103074208B (en) | 2013-01-29 | 2013-01-29 | High-concentration straw methane fermentation equipment |
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| CN (1) | CN103074208B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861284A (en) * | 2016-05-05 | 2016-08-17 | 安徽龙王山农业股份有限公司 | Biogas fermentation device |
| CN106318855A (en) * | 2016-12-01 | 2017-01-11 | 朱林 | High-concentration vertical fermentation tank for straw methane |
| CN106350441A (en) * | 2016-08-23 | 2017-01-25 | 农业部沼气科学研究所 | Hanging-basket-type straw marsh gas fermentation system |
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| CN201545836U (en) * | 2009-10-30 | 2010-08-11 | 焦作市华中能源科技有限公司 | Anaerobic fermentation device using straws to produce methane |
| CN102517201A (en) * | 2012-01-12 | 2012-06-27 | 农业部沼气科学研究所 | Dry straw fermentation device |
| CN202379981U (en) * | 2011-12-09 | 2012-08-15 | 农业部沼气科学研究所 | Straw anaerobic fermentation baffling-type discharge device |
| CN202390434U (en) * | 2011-09-14 | 2012-08-22 | 农业部沼气科学研究所 | Biogas generating device for discharging sand through automatic flow |
| CN102703304A (en) * | 2012-06-06 | 2012-10-03 | 泗阳县新能源服务站 | Efficient environment-friendly straw methane tank used in rural areas |
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2013
- 2013-01-29 CN CN201310033972.6A patent/CN103074208B/en not_active Expired - Fee Related
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| CN201033783Y (en) * | 2007-05-23 | 2008-03-12 | 南京工业大学 | Double-discharging polypropylene methane tank |
| CN201545836U (en) * | 2009-10-30 | 2010-08-11 | 焦作市华中能源科技有限公司 | Anaerobic fermentation device using straws to produce methane |
| CN202390434U (en) * | 2011-09-14 | 2012-08-22 | 农业部沼气科学研究所 | Biogas generating device for discharging sand through automatic flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105861284A (en) * | 2016-05-05 | 2016-08-17 | 安徽龙王山农业股份有限公司 | Biogas fermentation device |
| CN106350441A (en) * | 2016-08-23 | 2017-01-25 | 农业部沼气科学研究所 | Hanging-basket-type straw marsh gas fermentation system |
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| CN106318855A (en) * | 2016-12-01 | 2017-01-11 | 朱林 | High-concentration vertical fermentation tank for straw methane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103074208B (en) | 2014-04-02 |
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