CN107460112A - A kind of novel environment friendly industrial methane tank equipment - Google Patents
A kind of novel environment friendly industrial methane tank equipment Download PDFInfo
- Publication number
- CN107460112A CN107460112A CN201710890108.6A CN201710890108A CN107460112A CN 107460112 A CN107460112 A CN 107460112A CN 201710890108 A CN201710890108 A CN 201710890108A CN 107460112 A CN107460112 A CN 107460112A
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- wall
- side outer
- screening machine
- welded
- housing
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- 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
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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
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/16—Screw conveyor
-
- 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
- C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Genetics & Genomics (AREA)
- Biomedical Technology (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Clinical Laboratory Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of novel environment friendly industrial methane tank equipment, including housing, biogas layer and fermentation layer, the inner walls are bonded with heat-preservation liner, the ladle bowl inwall is welded with horizontally disposed demarcation strip close to centre position, and biogas layer and fermentation layer are located above and below demarcation strip respectively, the side outer wall of the housing is welded with fixed block, the side outer wall of the fixed block has been bolted pressure sensor, the side outer wall of the housing is welded with fixed seat, the side outer wall of the fixed seat has been bolted sensing methane concentration device, and sensing methane concentration device is located at the lower section of pressure sensor homonymy.Simple in construction, green energy conservation of the invention, the pressure and gas concentration in tank for sewage gas can be monitored in real time, and with alarm and indicator function, allow staff to understand the situation in tank for sewage gas in real time, preferably carry out leak-proof anti-explosive work.
Description
Technical field
The invention belongs to biogas fermentation equipment technical field, more particularly to a kind of novel environment friendly industrial methane tank equipment.
Background technology
Biogas, be organic substance in anaerobic environment, under conditions of certain temperature, humidity, acid-base value, in tank for sewage gas
In, by the fermentation of microorganism, a kind of caused fuel gas.Because this gas is initially in marsh, lake, pond
Middle discovery, so people are its biogas.At present, the tank for sewage gas equipment that China uses is insufficient to environmental protection, and explosion-proof leakage-proof works
Incomplete knife tail, therefore, needs a kind of novel environment friendly industrial methane tank equipment badly.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of novel environment friendly industry natural pond proposed
Gas tank equipment.
To achieve these goals, present invention employs following technical scheme：
A kind of novel environment friendly industrial methane tank equipment, including housing, biogas layer and fermentation layer, the inner walls are bonded with insulation
Inner bag, the ladle bowl inwall is welded with horizontally disposed demarcation strip close to centre position, and biogas layer and fermentation layer are located at respectively
Above and below demarcation strip, the side outer wall of the housing is welded with fixed block, and the side outer wall of the fixed block passes through spiral shell
Bolt is fixed with pressure sensor, and the side outer wall of the housing is welded with fixed seat, and the side outer wall of the fixed seat passes through spiral shell
Bolt is fixed with sensing methane concentration device, and sensing methane concentration device is located at the lower section of pressure sensor homonymy, and the one of the housing
Side outer wall offers the first mounting hole, and the first inner wall of the hole installing is welded with feed pipe, and the housing is outside the side of bottom
Wall offers first through hole, and first through hole inwall is plugged with material leakage switch, the side outer wall weldering of the material leakage switch output shaft
Shutter board is connected to, and shutter board is welded with auger fixed seat, the strand positioned at the bottom of fermentation layer, the side inwall of the housing
The side outer wall of imperial fixed seat is welded with screw conveyor, and screw conveyor is located at the lower section of shutter board, and the auger is fixed
Seat bottom side outer wall is welded with stock guide, and the side outer wall of the housing offers the second through hole, and the inwall of the second through hole
Appendix is welded with, threaded one end of the appendix away from housing is connected with pressure-reducing valve, and the top of the pressure-reducing valve offers
First cylinder hole, and the inwall of the first cylinder hole is plugged with regulation handle, the pressure-reducing valve offers spiral shell close to the position on top
Pit, and the inner thread of screwed hole is connected with blast pipe, the top of the blast pipe offers the second cylinder hole, and the second post
The inwall in shape hole is plugged with air escape cock, and the side outer wall of the housing is welded with display panel, the side of the display panel
Outer wall opens up fluted, and groove is embedded is connected to display screen, and side outer wall of the display panel away from display screen offers
The circular hole of range distribution, and circular-hole internal-wall is plugged with indicator lamp and buzzer.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, the top outer wall of the demarcation strip is opened
Provided with the aperture equidistantly distributed, and a diameter of 10mm-20mm of aperture.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, the blade junction of the shutter board
Sealing gasket is equipped with, and the thickness of sealing gasket is less than or equal to 3mm.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, the feed pipe is located at methane concentration
The lower section of sensor homonymy, and the interface of feed pipe and housing is bonded with sealing ring.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, the side outer wall of the housing opens up
There is the second mounting hole, and the inwall of the second mounting hole is welded with discharge nozzle.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, the remote housing of the discharge nozzle
Threaded one end is connected with to screening machine.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, the discharging opening welding of the screening machine
There is drainage conduit.
In order to further improve the performance of novel environment friendly industrial methane tank equipment, it is placed with below the drainage conduit
Dolly.
Compared with prior art, beneficial effects of the present invention are：
The present invention provides a kind of novel environment friendly industrial methane tank equipment, and the device structure is simple, safe to use, passes through pressure sensing
The setting of device and sensing methane concentration device, gas pressure intensity and concentration in tank for sewage gas can be detected in real time, improves explosion-proof leakage-proof
Property；By the setting of screw conveyor, waste residue caused by fermentation can be discharged in time, improve the continuity of tank for sewage gas fermentation；
By the setting of screening machine, the waste residue of discharge can be subjected to postsearch screening and recycling, realize the maximization profit of raw material
With.
Brief description of the drawings
Fig. 1 is a kind of structural representation of novel environment friendly industrial methane tank equipment proposed by the present invention.
Fig. 2 is a kind of structural representation of novel environment friendly industrial methane tank equipment shutter board proposed by the present invention.
Fig. 3 is a kind of structural representation of novel environment friendly industrial methane tank equipment display panel proposed by the present invention.
In figure：1 housing, 2 fixed blocks, 3 pressure sensors, 4 sensing methane concentration devices, 5 heat-preservation liners, 6 biogas layers, 7 are entered
Expects pipe, 8 fermentation layers, 9 material leakages switch, 10 auger fixed seats, 11 screw conveyors, 12 stock guides, 13 appendixs, 14 regulation hands
Handle, 15 air escape cockes, 16 blast pipes, 17 pressure-reducing valves, 18 display panels, 19 shutter boards, 20 screening machines, 21 drainage conduits, 22 dollies,
23 display screens, 24 indicator lamps, 25 buzzers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.
Reference picture 1-3, a kind of novel environment friendly industrial methane tank equipment, including the screening of the screening machine of housing screening machine 1, biogas layer
The screening machine of machine 6 and the screening machine of fermentation layer screening machine 8, the screening machine inwall of screening machine housing screening machine 1 are bonded with heat-preservation liner screening
The screening machine of machine 5, the screening machine inwall of screening machine ladle bowl screening machine 1 are welded with horizontally disposed demarcation strip, and natural pond close to centre position
The screening machine of gas-bearing formation screening machine 6 and the screening machine of fermentation layer screening machine 8 are located above and below demarcation strip respectively, screening machine housing sieve
The side outer wall of the screening machine of machine 1 is selected to be welded with the screening machine of fixed block screening machine 2, the one of the screening machine of screening machine fixed block screening machine 2
Side outer wall has been bolted the screening machine of pressure sensor screening machine 3, the side outer wall of the screening machine of screening machine housing screening machine 1
Fixed seat is welded with, the side outer wall of screening machine fixed seat has been bolted the screening machine of sensing methane concentration device screening machine 4,
And the screening machine of sensing methane concentration device screening machine 4 is located at the lower section of the screening machine homonymy of pressure sensor screening machine 3, screening machine housing
The side outer wall of the screening machine of screening machine 1 offers the first mounting hole, and the first inner wall of the hole installing is welded with feeding pipe screening machine 7 and sieved
Machine is selected, side outer wall of the screening machine of screening machine housing screening machine 1 close to bottom offers first through hole, and first through hole inwall is inserted
The material leakage switch screening machine of screening machine 9 is connected to, the side outer wall of the screening machine material leakage switch screening machine output shaft of screening machine 9 is welded with hundred
The screening machine of impeller screening machine 19, and the screening machine of shutter board screening machine 19 is positioned at the bottom of the screening machine of fermentation layer screening machine 8, screening machine
The side inwall of the screening machine of housing screening machine 1 is welded with the screening machine of auger fixed seat screening machine 10, screening machine auger fixed seat sieve
The side outer wall of the screening machine of machine 10 is selected to be welded with the screening machine of screw conveyor screening machine 11, and screw conveyor screening machine 11 screens
Machine is located at the lower section of the screening machine of shutter board screening machine 19, the screening machine bottom side outer wall weldering of screening machine auger fixed seat screening machine 10
The screening machine of stock guide screening machine 12 is connected to, the side outer wall of the screening machine of screening machine housing screening machine 1 offers the second through hole, and
The inwall of two through holes is welded with the screening machine of appendix screening machine 13, and the screening machine of screening machine appendix screening machine 13 screens away from housing
The threaded one end of the screening machine of machine 1 is connected with the screening machine of pressure-reducing valve screening machine 17, the top of the screening machine of screening machine pressure-reducing valve screening machine 17
End offers the first cylinder hole, and the inwall of the first cylinder hole is plugged with the screening machine of regulation handle screening machine 14, screening machine decompression
The screening machine of valve screening machine 17 offers screwed hole close to the position on top, and the inner thread of screwed hole is connected with blast pipe screening
The screening machine of machine 16, the top of the screening machine of screening machine blast pipe screening machine 16 offers the second cylinder hole, and the second cylinder hole is interior
Wall is plugged with the screening machine of air escape cock screening machine 15, and the side outer wall of the screening machine of screening machine housing screening machine 1 is welded with display surface
The screening machine of plate screening machine 18, the side outer wall of the screening machine of screening machine display panel screening machine 18 open up fluted, and groove embeds
The screening machine of display screen screening machine 23 is connected to, the screening machine of screening machine display panel screening machine 18 is away from the screening machine of display screen screening machine 23
Side outer wall offer the circular hole equidistantly distributed, and circular-hole internal-wall is plugged with the screening machine of indicator lamp screening machine 24 and buzzer
The screening machine of screening machine 25.
In the present invention, the top outer wall of demarcation strip offers the aperture equidistantly distributed, and a diameter of 10mm- of aperture
20mm, the blade junction of the screening machine of shutter board screening machine 19 is equipped with sealing gasket, and the thickness of sealing gasket is less than or equal to 3mm,
The screening machine of feeding pipe screening machine 7 is located at the lower section of the screening machine homonymy of sensing methane concentration device screening machine 4, and feeding pipe screening machine 7
The interface of screening machine and the screening machine of housing screening machine 1 is bonded with sealing ring, and the side outer wall of the screening machine of housing screening machine 1 opens up
There is the second mounting hole, and the inwall of the second mounting hole is welded with discharge nozzle, the one of the remote screening machine of housing screening machine 1 of discharge nozzle
End is threaded with to the screening machine of screening machine screening machine 20, the discharging opening of the screening machine of screening machine screening machine 20 and is welded with drainage conduit sieve
The screening machine of machine 21 is selected, and the screening machine of dolly screening machine 22 is placed with below the screening machine of drainage conduit screening machine 21.
Operation principle：In use, staff by feed pipe 7 toward fermentation layer 8 in feed intake, it is fermented caused by gas hang
Floating in biogas layer 6, after the completion of fermentation process, staff can take biogas to use at blast pipe 16, during fermentation,
Staff can make corresponding measure according to the instruction on display panel 18, and the waste residue to ferment will pass through screw conveyor 11
It is delivered in screening machine 20, after screening, the waste residue recoverable of non-complete fermentation, the waste residue utilization dolly 22 of complete fermentation
Remove.
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, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of novel environment friendly industrial methane tank equipment, including housing（1）, biogas layer（6）With fermentation layer（8）, it is characterised in that
The housing（1）Inwall is bonded with heat-preservation liner（5）, the ladle bowl（1）Inwall is welded with horizontally disposed close to centre position
Demarcation strip, and biogas layer（6）With fermentation layer（8）Respectively above and below demarcation strip, the housing（1）Side outer wall
It is welded with fixed block（2）, the fixed block（2）Side outer wall be bolted pressure sensor（3）, the housing
（1）Side outer wall be welded with fixed seat, the side outer wall of the fixed seat has been bolted sensing methane concentration device
（4）, and sensing methane concentration device（4）Positioned at pressure sensor（3）The lower section of homonymy, the housing（1）Side outer wall open up
There is the first mounting hole, and the first inner wall of the hole installing is welded with feed pipe（7）, the housing（1）Side outer wall close to bottom is opened
Provided with first through hole, and first through hole inwall is plugged with material leakage switch（9）, the material leakage switch（9）The side outer wall of output shaft
It is welded with shutter board（19）, and shutter board（19）Positioned at fermentation layer（8）Bottom, the housing（1）Side inwall be welded with
Auger fixed seat（10）, the auger fixed seat（10）Side outer wall be welded with screw conveyor（11）, and screw conveyor
（11）Positioned at shutter board（19）Lower section, the auger fixed seat（10）Bottom side outer wall is welded with stock guide（12）, it is described
Housing（1）Side outer wall offer the second through hole, and the inwall of the second through hole is welded with appendix（13）, the appendix
（13）Away from housing（1）Threaded one end be connected with pressure-reducing valve（17）, the pressure-reducing valve（17）Top offer the first column
Hole, and the inwall of the first cylinder hole is plugged with regulation handle（14）, the pressure-reducing valve（17）Spiral shell is offered close to the position on top
Pit, and the inner thread of screwed hole is connected with blast pipe（16）, the blast pipe（16）Top offer the second cylinder hole,
And second the inwall of cylinder hole be plugged with air escape cock（15）, the housing（1）Side outer wall be welded with display panel（18）,
The display panel（18）Side outer wall open up fluted, and groove is embedded is connected to display screen（23）, the display panel
（18）Away from display screen（23）Side outer wall offer the circular hole equidistantly distributed, and circular-hole internal-wall is plugged with indicator lamp（24）
And buzzer（25）.
A kind of 2. novel environment friendly industrial methane tank equipment according to claim 1, it is characterised in that the top of the demarcation strip
End outer wall offers the aperture equidistantly distributed, and a diameter of 10mm-20mm of aperture.
A kind of 3. novel environment friendly industrial methane tank equipment according to claim 1, it is characterised in that the shutter board（19）
Blade junction be equipped with sealing gasket, and the thickness of sealing gasket is less than or equal to 3mm.
A kind of 4. novel environment friendly industrial methane tank equipment according to claim 1, it is characterised in that the feed pipe（7）
Positioned at sensing methane concentration device（4）The lower section of homonymy, and feed pipe（7）With housing（1）Interface be bonded with sealing ring.
A kind of 5. novel environment friendly industrial methane tank equipment according to claim 1, it is characterised in that the housing（1）'s
Side outer wall offers the second mounting hole, and the inwall of the second mounting hole is welded with discharge nozzle.
A kind of 6. novel environment friendly industrial methane tank equipment according to claim 5, it is characterised in that the discharge nozzle it is remote
Shrinking away from theshell body（1）Threaded one end be connected with to screening machine（20）.
A kind of 7. novel environment friendly industrial methane tank equipment according to claim 1, it is characterised in that the screening machine（20）
Discharging opening be welded with drainage conduit（21）.
A kind of 8. novel environment friendly industrial methane tank equipment according to claim 7, it is characterised in that the drainage conduit（21）
Lower section be placed with dolly（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890108.6A CN107460112A (en) | 2017-09-27 | 2017-09-27 | A kind of novel environment friendly industrial methane tank equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890108.6A CN107460112A (en) | 2017-09-27 | 2017-09-27 | A kind of novel environment friendly industrial methane tank equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107460112A true CN107460112A (en) | 2017-12-12 |
Family
ID=60553110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710890108.6A Pending CN107460112A (en) | 2017-09-27 | 2017-09-27 | A kind of novel environment friendly industrial methane tank equipment |
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| CN205838986U (en) * | 2016-07-01 | 2016-12-28 | 湖南国态生态农业科技有限公司 | A kind of novel organic biological active bed |
| CN205933669U (en) * | 2016-07-26 | 2017-02-08 | 天津市新世纪苗木种植专业合作社 | Organic fertilizer fermenting device |
| CN107090408A (en) * | 2017-06-27 | 2017-08-25 | 南安市绿野沼气技术开发研究所 | A kind of small-sized household marsh gas generation pot and biogas production method |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432217Y (en) * | 2000-06-21 | 2001-05-30 | 朱洪光 | Methane generating device |
| CN201517103U (en) * | 2009-08-17 | 2010-06-30 | 王建平 | Solar high-temperature methane generator matching device |
| CN202208720U (en) * | 2011-08-23 | 2012-05-02 | 杨斯智 | Foldable methane and biogas manure anaerobic reaction device |
| CN202284208U (en) * | 2011-09-20 | 2012-06-27 | 孟晓丽 | Biogas equipment monitoring device |
| CN203890358U (en) * | 2014-06-13 | 2014-10-22 | 天津栋天新能源科技有限公司 | Marsh gas collection and storage system |
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| CN204589162U (en) * | 2015-04-17 | 2015-08-26 | 何华琼 | A kind of agricultural convenient methane-generating pit |
| CN204779601U (en) * | 2015-07-01 | 2015-11-18 | 河北耿忠生物质能源开发有限公司 | Novel continuous type biogas fermentation tank |
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| CN205838986U (en) * | 2016-07-01 | 2016-12-28 | 湖南国态生态农业科技有限公司 | A kind of novel organic biological active bed |
| CN205933669U (en) * | 2016-07-26 | 2017-02-08 | 天津市新世纪苗木种植专业合作社 | Organic fertilizer fermenting device |
| CN107090408A (en) * | 2017-06-27 | 2017-08-25 | 南安市绿野沼气技术开发研究所 | A kind of small-sized household marsh gas generation pot and biogas production method |
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Application publication date: 20171212 |
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| RJ01 | Rejection of invention patent application after publication |