CN109467298A - The vertical semicontinuous anaerobic digestion reaction vessel of blade - Google Patents
The vertical semicontinuous anaerobic digestion reaction vessel of blade Download PDFInfo
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- CN109467298A CN109467298A CN201811411691.9A CN201811411691A CN109467298A CN 109467298 A CN109467298 A CN 109467298A CN 201811411691 A CN201811411691 A CN 201811411691A CN 109467298 A CN109467298 A CN 109467298A
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- reactor body
- blade
- anaerobic digestion
- reaction vessel
- digestion reaction
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- 230000029087 digestion Effects 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 241001075561 Fioria Species 0.000 claims abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002910 solid waste Substances 0.000 abstract description 8
- 238000002156 mixing Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000011343 solid material Substances 0.000 abstract 1
- 239000010813 municipal solid waste Substances 0.000 description 9
- 239000010802 sludge Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 229920003266 Leaf® Polymers 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- C12M21/16—Solid state fermenters, e.g. for koji production
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the vertical semicontinuous anaerobic digestion reaction vessel of blade, reactor body top is in cylindrical type, and lower part is in circular platform type, and top is tightly connected cover board；Feed hopper, variable-frequency motor and firedamp drainage pipe are respectively set on cover board；The half side wall of feed hopper is straight wall, and half side wall is tilting；Hooper door is set at the top of feed hopper, and inside is equipped with sieve, and bottom is connected to reactor body；Vertical agitating shaft is equipped in reactor body, the upper end of agitating shaft is connect through cover board and with variable-frequency motor；Three groups of stirring blades are respectively set in agitating shaft from top to down, and every group of stirring blade is made of four fan leafs；Reactor body wall opens up three thief hatch respectively from top to bottom, and thief hatch is equipped with ball valve；Reactor body bottom is equipped with discharge gate.Reactor of the present invention adapts to highly filled degradable organic solid waste, and material is not required to broken pretreatment, feeds intake smooth, and sealing is tight, and mixing speed is controllable, and easy to operate, stable, reaction efficiency is high.
Description
Technical field
The present invention relates to a kind of the fast of the highly filled degradable organic solid waste such as kitchen garbage, sludge, excrement
Fast anaerobic digestion methane production equipment is suitble to small-scale decentralized processing on the spot and the recyclings, specifically paddle such as small towns, residential quarter
The vertical semicontinuous anaerobic digestion reaction vessel of leaf.
Background technique
With the raising of environmental requirement, the organic solid wastes such as kitchen garbage, sludge, excrement that small towns, rural area generate must
It must be dealt carefully with.Anaerobic digestion can not only carry out innoxious place to organic solid wastes such as kitchen garbage, sludge, excrement
Reason, moreover it is possible to generate biogas, realize the recycling of waste, therefore, anaerobic digestion becomes small towns, rural area decentralized processing kitchen rubbish on the spot
A kind of good technique of the organic solid wastes such as rubbish, sludge, excrement.However, the organic solids such as kitchen garbage, sludge, excrement are useless
The solid content of object is higher (﹥ 15%), needs to be suitble to the reactor of this kind of highly filled organic solid waste anaerobic digestion.Mesh
Before, had an equipment of some processing kitchen garbages, sludge etc., but these equipment are all large-scale plants, scale 100 tons/
More than it, lack it is small-sized can decentralized processing on the spot small-sized anaerobic digestion reaction vessel.It is not set in addition, these large-scale plants exist
Stir, be not tight seal, treatment effeciency low (needing 15 days or more organic matters that could degrade completely), fluctuation of service (volatile acid,
Ammonia nitrogen, salt concentration are slightly higher to be inhibited), need external heat source provide thermal energy heat preservation the disadvantages of, for these problems, have
Stirring, sealing tight, high-efficient (5~10 day organic matter can degradable), operation of necessity research and development with controllable revolving speed are steady
Surely it does not need external heat source and the vertical semicontinuous anaerobic digestion reaction vessel of blade of thermal energy heat preservation is provided.
Summary of the invention
The object of the present invention is to provide a kind of blade for adapting to highly filled degradable organic solid waste is vertical
Semicontinuous anaerobic digestion reaction vessel, the material of investment do not need broken pretreatment, feed intake smooth, and sealing is tight, and mixing speed can
Regulation, easy to operate, stable, reaction efficiency is high, does not need external heat source and provides thermal energy heat preservation.
The technical solution of the present invention is as follows:
The vertical semicontinuous anaerobic digestion reaction vessel of blade, the reactor body top are in cylindrical type, and lower part is in circular platform type,
Top is tightly connected cover board；Feed hopper, variable-frequency motor and firedamp drainage pipe are respectively set on the cover board；The half of the feed hopper
Side wall is straight wall, and half side wall is tilting；Hooper door is set at the top of the feed hopper, is equipped with sieve, bottom inside feed hopper
Portion is connected to the reactor body；Vertical agitating shaft is equipped in the reactor body, institute is run through in the upper end of the agitating shaft
State cover board and with the variable-frequency motor；Three groups of stirring blades are respectively set in the agitating shaft from top to down, and every group of stirring blade is equal
It is made of four fan leafs；Every fan leaf is wide and long than being 1: 5, and blade end is away from reactor body inner wall 6.3cm；The biogas row
It puts pipe and is connected to the reactor body；The reactor body wall opens up three thief hatch, each thief hatch respectively from top to bottom
It is equipped with ball valve；Reactor body bottom is equipped with discharge gate, and the discharge gate is equipped with discharge ball valve.
It further include bracket, the reactor body is set up on the bracket.
Rubber mat is accompanied between at the top of the cover board and reactor body, uses screw bolt and nut at the top of cover board and reactor body
Fastening.
The hooper door outer edge wraps up rubber washer, covers the hooper door and feed hopper top when hooper door
It is tightly connected.
The firedamp drainage pipe end is docked by isometrical 90 ° of elbows with caisson.
The reactor body top is in cylindrical type, ratio of height to diameter 2: 1.
The position of three thief hatch are as follows: the thief hatch of the top corresponds to the lower section of the stirring blade of the top, in
Between the corresponding lower section for being located in the middle stirring blade of thief hatch, the thief hatch of bottom corresponds to the stirring blade of bottom
Top.
Advantages of the present invention:
(1) three groups of stirring blades are set in reactor, every group of stirring blade be made of four fan leafs, every fan leaf it is wide and
Long ratio is 1: 5, and blade end obtains good mixing effect away from reactor body inner wall 6.3cm；Feed hopper, thief hatch, discharge
Mouth sealing is tight, it is ensured that stringent anaerobic environment.Good stirring and stringent anaerobic environment make the reactor be suitable for Gao Gu
The degradable organic solid waste of body content, such as kitchen garbage, sludge, livestock and poultry cultivation night soil, solid content is 15%~25%
It can operated normally in range.(2) anaerobic digestion is high-efficient, and 5~10 days, easily biodegradable organics, that is, degradable complete.(3) it can hold
By higher organic load, organic load reaches 4.5kg VS/m3When can operate normally.(4) have to a variety of inhibiting substances stronger
Adaptability and buffer capacity, as pH value down to 5.5, volatile acid concentration be more than 3500mg/L, free ammonia density be more than 1700mg/L,
Cl concn remains to operate normally when being more than 5000mg/L.(5) gas producing efficiency is high, can reach 0.5m3 STP/(Kg VS·d).(6) into
Sieve is arranged in material mouth, has good sieve performance to material, does not need to carry out material broken pretreatment, operation side before charging
Just.(7) by the control of variable-frequency motor, revolving speed can regulate and control stirring blade in 0~1390 rev/min, be able to achieve short-term after charging
Interior high-speed stirred and runtime mixes slowly, and saves the energy, and reactor is also made to have good reliability.(8) it does not need
Heat heat preservation is provided using external heat source, it is energy saving, investment cost and running cost is greatly saved.
Reactor design of the present invention is novel, structurally reasonable, raw material anaerobic digestion reaction effect is good, and high production efficiency is one
Kind novel kitchen garbage, sludge and excrement grade height solid organic matters anaerobic digestion reaction vessel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the vertical semicontinuous anaerobic digestion reaction vessel of blade of the present invention.
Fig. 2 is the attachment structure schematic diagram of agitating shaft and stirring blade in Fig. 1.
Fig. 3 is the schematic top plan view of Fig. 2.
Fig. 4 is the structural schematic diagram of feed hopper in Fig. 1.
Fig. 5 is the schematic top plan view of Fig. 4.
In figure: 1- variable-frequency motor；2- firedamp drainage pipe；3- cover board；4- hooper door；5- feed hopper；6- sieve；7- reaction
Device main body；8- agitating shaft；9- stirring blade；10- thief hatch；11- ball valve；12- bracket；13- discharge ball valve.
Specific embodiment
Technical solution of the present invention is described in detail below in conjunction with the drawings and specific embodiments, but is not constituted to the present invention
The limitation of claims.
As Figure 1-Figure 5, the vertical semicontinuous anaerobic digestion reaction vessel of blade, 7 top of reactor body are in cylinder
Type, ratio of height to diameter 2: 1；7 lower part of reactor body is in circular platform type, and upper and lower part uses stainless steel integrated molding.
At the top of the reactor body 7 be equipped with cover board 3, cover board 3 be it is round, be adapted to 7 top of reactor body.The lid
Rubber mat, blending bolt and nut is accompanied between 7 top of plate 3 and reactor body closely to connect cover board 3 and 7 top of reactor body
It connects, it is ensured that sealing is tight.
Feed hopper 5, variable-frequency motor 1 and firedamp drainage pipe 2 are respectively set on cover board 3.
The half side wall of the feed hopper 5 is vertical straight wall, and half side wall is tilting similar to funnel shaped, be can guarantee
It feeds intake smooth enter in reactor body 7；Hooper door 4 is set at the top of feed hopper 5, and 4 outer edge of hooper door wraps up rubber
Rubber gasket is tightly connected at the top of the hooper door 4 and feed hopper 5, it is ensured that feed hopper 5 seals tightly when covering hooper door 4.
5 bottom of feed hopper is connected to the reactor body 7, and 5 lower inside of feed hopper is equipped with sieve 6, and larger particles material is avoided to enter
In reactor body 7.
The variable-frequency motor 1 has pedestal, accompanies asbestos pad between base bottom and cover board 3, is fastened by screw bolt and nut
Variable-frequency motor 1 is on cover board 3.Vertical agitating shaft 8 is equipped in the reactor body 7, institute is run through in the upper end of the agitating shaft 8
It states cover board 3 and is connect with the variable-frequency motor 1；Three groups of stirring blades 9 are respectively set in the agitating shaft 8 from top to down, and every group is stirred
It mixes blade 9 to be made of four fan leafs, every fan leaf is wide and long than being 1: 5, and blade end is away from reactor body inner wall 6.3cm；
Four fan leafs are symmetrically fixed on agitating shaft 8 at cross.
The firedamp drainage pipe 2 is connected to the reactor body 7, and 2 end of firedamp drainage pipe is convenient for using isometrical 90 ° of elbows
It is docked with caisson.
Three thief hatch 10 are opened up respectively from top to bottom in the reactor body wall, and each thief hatch 10 is equipped with ball valve
11 are switched；The position of three thief hatch 10 are as follows: the thief hatch 10 of the top corresponds to the stirring blade 9 of the top
Partial below, the corresponding partial below for being located in the middle stirring blade 9 of intermediate thief hatch 10, the thief hatch 10 of bottom correspond to most
The side on the upper side of the stirring blade 9 of lower section.
7 bottom of reactor body is equipped with discharge gate, and the discharge gate is equipped with discharge ball valve 13.13 flange of discharge ball valve
Asbestos pad is accompanied between 7 bottom end flange of reactor body, the two is connected with screw bolt and nut.
7 bottom of reactor body is altogether there are three bracket 12, and the angle between two neighboring bracket 12 is 1200, bracket
12 upper ends and 7 bottom of reactor body are welded, and the stabilization of reactor effectively can be supported and keep.
Kitchen garbage and sludge are added in reactor of the present invention by 1: 1 mixing, by 5~10 days, the degradation rate of VS existed
87% or more.Reach 4.5kg VS/m in organic load3When, pH value down to 5.5, volatile acid concentration be more than 3500mg/L, freedom
It is more than 5000mg/L that ammonia density, which is more than 1700mg/L, cl concn, remains to operate normally.It is 7.1 and organic load in adjustment pH value
For 3.5kg VS/m3When left and right, gas producing efficiency can reach 0.5m3 STP/(Kg VS·d)。
Claims (8)
1. the vertical semicontinuous anaerobic digestion reaction vessel of blade, which is characterized in that the reactor body top is in cylindrical type, lower part
In circular platform type, top is tightly connected cover board；Feed hopper, variable-frequency motor and firedamp drainage pipe are respectively set on the cover board；It is described into
The half side wall of hopper is straight wall, and half side wall is tilting；Hooper door is set at the top of the feed hopper, is set inside feed hopper
There is sieve, bottom is connected to the reactor body；Be equipped with vertical agitating shaft in the reactor body, the agitating shaft it is upper
End through the cover board and with the variable-frequency motor；Three groups of stirring blades are respectively set in the agitating shaft from top to down, and every group is stirred
Blade is mixed to be made of four fan leafs；The firedamp drainage pipe is connected to the reactor body；The reactor body wall is by upper
Three thief hatch are opened up respectively to lower, and each thief hatch is equipped with ball valve；Reactor body bottom is equipped with discharge gate, the discharge
Mouth is equipped with discharge ball valve.
2. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that it further include bracket, institute
Reactor body is stated to set up on the bracket.
3. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that the cover board with react
Rubber mat is accompanied between device body top, cover board is fastened at the top of reactor body with screw bolt and nut.
4. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that outside the hooper door
Edge wrap rubber washer is covered and is tightly connected at the top of the hooper door and feed hopper when hooper door.
5. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that the firedamp drainage pipe
It is docked by isometrical 90 ° of elbows with caisson end.
6. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that the reactor body
Top is in cylindrical type, ratio of height to diameter 2: 1.
7. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that three thief hatch
Position are as follows: the thief hatch of the top corresponds to the lower section of the stirring blade of the top, and intermediate thief hatch is corresponding to be located at centre
Stirring blade lower section, the thief hatch of bottom corresponds to the top of the stirring blade of bottom.
8. the vertical semicontinuous anaerobic digestion reaction vessel of blade as described in claim 1, which is characterized in that every group of stirring blade is equal
It is made of four fan leafs, every fan leaf is wide and long than being 1: 5, and blade end is away from reactor body inner wall 6.3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411691.9A CN109467298A (en) | 2018-11-25 | 2018-11-25 | The vertical semicontinuous anaerobic digestion reaction vessel of blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411691.9A CN109467298A (en) | 2018-11-25 | 2018-11-25 | The vertical semicontinuous anaerobic digestion reaction vessel of blade |
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| Publication Number | Publication Date |
|---|---|
| CN109467298A true CN109467298A (en) | 2019-03-15 |
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|---|---|---|---|
| CN201811411691.9A Pending CN109467298A (en) | 2018-11-25 | 2018-11-25 | The vertical semicontinuous anaerobic digestion reaction vessel of blade |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201756546U (en) * | 2010-07-29 | 2011-03-09 | 覃荫统 | Embeddable open-air water-pressure glass fiber reinforced plastic methane tank |
| CN202226862U (en) * | 2011-07-20 | 2012-05-23 | 深圳华大基因研究院 | Automatic methane fermentation tank system |
| US20120190101A1 (en) * | 2010-11-09 | 2012-07-26 | Masse Daniel I | Biological oxidation of hydrogen sulphide in a psychrophilic anaerobic digestion bioreactor subjected to microaerobic conditions |
| CN103834560A (en) * | 2014-03-25 | 2014-06-04 | 清华大学 | Acid producing fermentation tank for treating kitchen wastes and producing carbon source |
| CN203668408U (en) * | 2013-11-19 | 2014-06-25 | 河南桑达能源环保有限公司 | Controllable header type anaerobic fermentation device |
| CN105132281A (en) * | 2014-05-29 | 2015-12-09 | 王丽霞 | Improved methane tank |
| CN206157169U (en) * | 2016-11-14 | 2017-05-10 | 吴春涛 | Environmental protection and energy saving organic materials fermenting installation |
| CN206521475U (en) * | 2016-10-27 | 2017-09-26 | 威德环境科技股份有限公司 | Anaerobic fermentation experimental rig |
| CN209397100U (en) * | 2018-11-25 | 2019-09-17 | 南宁师范大学 | The vertical semicontinuous anaerobic digestion reaction vessel of blade |
-
2018
- 2018-11-25 CN CN201811411691.9A patent/CN109467298A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201756546U (en) * | 2010-07-29 | 2011-03-09 | 覃荫统 | Embeddable open-air water-pressure glass fiber reinforced plastic methane tank |
| US20120190101A1 (en) * | 2010-11-09 | 2012-07-26 | Masse Daniel I | Biological oxidation of hydrogen sulphide in a psychrophilic anaerobic digestion bioreactor subjected to microaerobic conditions |
| CN202226862U (en) * | 2011-07-20 | 2012-05-23 | 深圳华大基因研究院 | Automatic methane fermentation tank system |
| CN203668408U (en) * | 2013-11-19 | 2014-06-25 | 河南桑达能源环保有限公司 | Controllable header type anaerobic fermentation device |
| CN103834560A (en) * | 2014-03-25 | 2014-06-04 | 清华大学 | Acid producing fermentation tank for treating kitchen wastes and producing carbon source |
| CN105132281A (en) * | 2014-05-29 | 2015-12-09 | 王丽霞 | Improved methane tank |
| CN206521475U (en) * | 2016-10-27 | 2017-09-26 | 威德环境科技股份有限公司 | Anaerobic fermentation experimental rig |
| CN206157169U (en) * | 2016-11-14 | 2017-05-10 | 吴春涛 | Environmental protection and energy saving organic materials fermenting installation |
| CN209397100U (en) * | 2018-11-25 | 2019-09-17 | 南宁师范大学 | The vertical semicontinuous anaerobic digestion reaction vessel of blade |
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