CN108315232A - A kind of biogas generation apparatus and its application method for capableing of Rapid Fermentation decomposing straw - Google Patents
A kind of biogas generation apparatus and its application method for capableing of Rapid Fermentation decomposing straw Download PDFInfo
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- CN108315232A CN108315232A CN201810065197.5A CN201810065197A CN108315232A CN 108315232 A CN108315232 A CN 108315232A CN 201810065197 A CN201810065197 A CN 201810065197A CN 108315232 A CN108315232 A CN 108315232A
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- methane
- generating pit
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- capableing
- stalk
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- 238000000855 fermentation Methods 0.000 title claims abstract description 65
- 230000004151 fermentation Effects 0.000 title claims abstract description 65
- 239000010902 straw Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000002002 slurry Substances 0.000 claims description 9
- 238000009395 breeding Methods 0.000 claims description 6
- 230000001488 breeding effect Effects 0.000 claims description 6
- 239000011344 liquid material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000010828 animal waste Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000007667 floating Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003519 ventilatory effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- 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
- 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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- 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
- C12M23/58—Reaction vessels connected in series or in parallel
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/04—Filters; Permeable or porous membranes or plates, e.g. dialysis
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Sustainable Development (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
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- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of biogas generation apparatus and its application method for capableing of Rapid Fermentation decomposing straw, methane-generating pit including sealing, the side of methane-generating pit is communicated with discharge room, skylight casing is provided in methane-generating pit, the upper end of skylight casing is connected to the stalk fermentation pond being arranged above methane-generating pit, the lower end of skylight casing is provided with several cloth holes, and biogas discharge pipe is also communicated on methane-generating pit；Water pump is provided in discharge room, water pump connects discharge pipe, and discharge pipe is connected to the sprinkling mouth being arranged above stalk fermentation pond.The methane-generating pit efficiently solves stalk and is decomposed in methane-generating pit slowly, and easily floating crust, the not high problem of straw utilization rate realize energy conservation and environmental protection, and resource circulation utilization reduces labour cost.
Description
Technical field
The invention belongs to biogas utilization technical fields；It is generated more particularly to a kind of biogas for capableing of Rapid Fermentation decomposing straw
Device and its application method.
Background technology
A large amount of home-use methane-generating pit has been promoted in Rural Areas at Present, mainly using fowl and animal excrement and part stalk as fermentation raw material.
On the one hand since cultivation amount is small, excrement cannot be utilized normally less, although can be replaced using waste crop straws, straw
Stalk is not easily decomposed in methane-generating pit under the environmental condition of anaerobism, is easy floating and is formed crust, leads to rural area majority domestic methane tank
Utilization rate is not high or idle.The a large amount of agricultural crop straw in another aspect rural area is discarded, and especially some vegetables straws are (such as Huang
Melon, tomato etc. cannot be as feeds) it is discarded after, serious environmental pollution can be caused.
Invention content
The present invention provides a kind of biogas generation apparatus and its application method for capableing of Rapid Fermentation decomposing straw；The biogas
Pond efficiently solves stalk and is decomposed in methane-generating pit slowly, and easily floating crust, the not high problem of straw utilization rate realize energy-saving ring
It protects, resource circulation utilization reduces labour cost.
The technical scheme is that：A kind of biogas generation apparatus for capableing of Rapid Fermentation decomposing straw, including sealing
The side of methane-generating pit, methane-generating pit is communicated with discharge room, and skylight casing, the upper end connection setting of skylight casing are provided in methane-generating pit
The lower end in the stalk fermentation pond above methane-generating pit, skylight casing is provided with several cloth holes, and biogas is also communicated on methane-generating pit
Discharge pipe；Water pump is provided in discharge room, water pump connects discharge pipe, and discharge pipe connection is arranged above stalk fermentation pond
Spray mouth.
Further, the features of the present invention also characterized in that：
Several gas distribution pipes are also wherein evenly distributed with inside stalk fermentation pond, and are provided with several ventilations on gas distribution pipe
Hole.
Wherein stalk fermentation pond is stretched out in one end of gas distribution pipe, and the other end of gas distribution pipe is fixed on the bottom in stalk fermentation pond.
Wherein the bottom in stalk fermentation pond is funnel-shaped structure, and the lowest point of its bottom is connected to skylight casing.
The bottom in wherein stalk fermentation pond is provided with filter screen, and filter screen is arranged on the position being connected to skylight casing
Side.
The first valve of control sprinkling mouth water outlet is wherein provided on discharge pipe.
The drain pipe that extra liquid material is discharged wherein is provided on discharge pipe.
The lower part of wherein methane-generating pit is connected to feeding pipeline.Wherein feeding pipeline connection breeding house and lavatory.
The present invention another technical solution be：The user of the above-mentioned biogas generation apparatus for capableing of Rapid Fermentation decomposing straw
Method, including animal wastes are discharged into methane-generating pit；Straw or house refuse etc. are put into stalk fermentation pond and fermented；
It is sprayed at the biogas slurry discharge in methane-generating pit stalk in stalk fermentation pond on and by water pump by spraying mouth in discharge room；
Zymotic fluid in stalk fermentation pond is flow to by skylight casing in methane-generating pit, and the biogas in methane-generating pit is arranged by biogas discharge pipe
Go out.
Compared with prior art, the beneficial effects of the invention are as follows：Setting stalk fermentation pond, methane-generating pit side above methane-generating pit
It is provided with discharge room, wherein skylight casing is for the stalk fermentation liquid in stalk fermentation pond to be discharged into methane-generating pit, and skylight
Casing can seal the biogas in methane-generating pit automatically；Water pump in discharge room, discharge pipe and sprinkling mouth can be by methane-generating pits
In liquid material recycle, liquid material is discharged into stalk fermentation pond, the decomposition of stalk is further increased, formed methane-generating pit up and down
Agitation cycle improves aerogenesis utilization rate；And stalk is sprayed using liquid material, can be kept the skin wet to stalk, carbon-nitrogen ratio, energy are adjusted
The stalk liquid decomposed is enough filtered out, makes to ensure the materials of methane-generating pit without ponding on stalk fermentation liquid.
Further, the gas distribution pipe being arranged in stalk fermentation pond provides natural ventilation during stalk fermentation, is formed
Aerobic environment is accelerated fermentation and is decomposed, and the venthole being arranged on gas distribution pipe further improves ventilatory effect.And stalk fermentation pond
Can not only ferment crop material, additionally it is possible to collect various house refuses and scattered excrement carries out harmless processing of fermenting, finally
The biogas of formation, biogas slurry, biogas residue are used effectively, and achieve the purpose that energy-saving and environmental protection, turn waste into wealth.
Further, stalk fermentation pond is stretched out in one end of gas distribution pipe, further increases ventilatory effect.
Further, funnel shaped bottom structure can be such that Straw decomposing liquid collects, and from funnel shaped lowest point
Connection flows into skylight casing, and then enters in methane-generating pit.
Further, filter screen is set on skylight casing, the water-soluble stalk liquid decomposed can be filled into, obstruct
Undecomposed stalk continues to fermentation and decomposes, and the sundries such as stalk or other waste plastics is further prevented to flow into biogas
Chi Zhong forms crust or blocks skylight casing.
Further, feeding pipeline and breeding house and lavatory etc. are connect, and can realize the excrement directly by animal and people
It is directly discharged into methane-generating pit, carries out biogas fermentation, and improve the health of breeding house and lavatory.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：1 is lavatory；2 be breeding house；3 be feeding pipeline；4 be methane-generating pit；5 be skylight casing；6 be cloth hole；7
For discharge room；8 be water pump；9 be discharge pipe；10 be sprinkling mouth；11 be stalk fermentation pond；12 be gas distribution pipe；13 be strainer；14
For intercommunicating pore；15 be drain pipe；16 be the first valve；17 be the second valve；18 be biogas discharge pipe.
Specific implementation mode
Technical scheme of the present invention is further illustrated in the following with reference to the drawings and specific embodiments.
The present invention provides a kind of biogas generation apparatus for capableing of Rapid Fermentation decomposing straw, as shown in Figure 1, including biogas
The side in pond 4, methane-generating pit 4 is provided with and communicated with discharge room 7, and water pump 8 is provided in discharge room 7, and water pump 8 is connected by discharge pipe 9
Connect sprinkling mouth 10；Skylight pipeline 5 is provided in methane-generating pit 4, the upper end of skylight pipeline 5 is connected to stalk fermentation pond 11, skylight tube
The lower end in road 5 is evenly arranged with multiple cloth holes 6, and wherein stalk fermentation pond 11 is arranged in the top of methane-generating pit 4；Wherein spray mouth
10 are arranged in the top in stalk fermentation pond 11；The top of methane-generating pit 4 is provided with biogas discharge pipe 18.
Preferably, multiple vertical gas distribution pipes 12 are provided in stalk fermentation pond 11, one end of gas distribution pipe 12 is fixed on straw
The other end of the bottom of stalk fermentation vat 11, gas distribution pipe 12 stretches out stalk fermentation pond 11, and it is logical that several are uniformly provided on gas distribution pipe 12
Stomata.
Preferably, the bottom in stalk fermentation pond 11 is funnel-shaped structure, and funnel shaped lowest point is provided with intercommunicating pore 14, even
Through-hole 14 is that skylight casing 5 is connected to stalk fermentation pond 11；Filter screen 13 is provided on intercommunicating pore 14.
Preferably, the lower part of methane-generating pit 4 is provided with feeding pipeline 3, and feeding pipeline 3 is connected to lavatory 1 and breeding house 2 etc.,
The excrement of animal and people are directly sent by feeding pipeline 3 in methane-generating pit 4.
Preferably, the first valve 16 is provided on discharge pipe 9, the first valve 16 sprays natural pond for controlling sprinkling mouth 10
Liquid；It is also communicated with drain pipe 15 on discharge pipe 9, the second valve 17 is provided on drain pipe 15, the second valve 17 is for controlling
The discharge of extra biogas slurry.
Preferably, the top of methane-generating pit 4 and discharge room 7 separates, lower part connection.
The present invention also provides the application method of above-mentioned biogas generation apparatus, stalk fermentation pond 11 is used for fermenting plant stalk
And house refuse, and zymotic fluid is generated, zymotic fluid is flowed by passing through skylight sleeve 5 after filter screen filtration in methane-generating pit 4,
The animal excrements such as excrement are discharged into methane-generating pit 4 by feeding pipeline 3, and biogas, biogas slurry and natural pond are obtained through everfermentation in methane-generating pit 4
Slag, biogas are discharged by biogas discharge pipe 18, and biogas residue is discharged by discharge room 7, and biogas slurry is discharged by water pump 8.Close the second valve
Door 17 opens the first valve 16, and biogas slurry is sprayed in stalk fermentation pond 11 by water pump 8 and sprinkling mouth 10, promotes stalk
Fermentation.
Wherein, when the biogas slurry in methane-generating pit 4 is excessive, the first valve 16 is closed, the second valve 17 is opened, passes through drain pipe 15
The biogas slurry of generation is discharged, and is directly used in the fertilizer of crops.
Claims (10)
1. a kind of biogas generation apparatus for capableing of Rapid Fermentation decomposing straw, which is characterized in that the methane-generating pit (4) including sealing,
The side of methane-generating pit (4) is communicated with discharge room (7), and skylight casing (5), the upper end of skylight casing (5) are provided in methane-generating pit (4)
The stalk fermentation pond (11) that connection is arranged above methane-generating pit (4), the lower end of skylight casing (5) are provided with several cloth holes (6),
Biogas discharge pipe (18) is also communicated on methane-generating pit (4)；Water pump (8) is provided in discharge room (7), water pump (8) connects discharge nozzle
Road (9), the sprinkling mouth (10) that discharge pipe (9) connection is arranged above stalk fermentation pond (11).
2. the biogas generation apparatus according to claim 1 for capableing of Rapid Fermentation decomposing straw, which is characterized in that the straw
Several gas distribution pipes (12) are also evenly distributed with inside stalk fermentation vat (11), and several ventholes are provided on gas distribution pipe (12).
3. the biogas generation apparatus according to claim 2 for capableing of Rapid Fermentation decomposing straw, which is characterized in that the cloth
Stalk fermentation pond (11) are stretched out in one end of tracheae (12), and the other end of gas distribution pipe (12) is fixed on the bottom of stalk fermentation pond (11)
Portion.
4. the biogas generation apparatus according to claim 1 for capableing of Rapid Fermentation decomposing straw, which is characterized in that the straw
The bottom of stalk fermentation vat (11) is funnel-shaped structure, and the lowest point of its bottom is connected to skylight casing (5).
5. the biogas generation apparatus for capableing of Rapid Fermentation decomposing straw according to claim 1 or 4 any one, feature
It is, the bottom of the stalk fermentation pond (11) is provided with filter screen (13), and filter screen (13) setting connects with skylight casing (5)
Above logical position.
6. the biogas generation apparatus according to claim 1 for capableing of Rapid Fermentation decomposing straw, which is characterized in that it is described go out
The first valve (16) that control sprinkling mouth (10) is discharged is provided on pipe material (9).
7. the biogas generation apparatus according to claim 1 for capableing of Rapid Fermentation decomposing straw, which is characterized in that it is described go out
The drain pipe (15) that extra liquid material is discharged is provided on pipe material (9).
8. the biogas generation apparatus according to claim 1 for capableing of Rapid Fermentation decomposing straw, which is characterized in that the natural pond
The lower part in gas pond (4) is connected to feeding pipeline (3).
9. the biogas generation apparatus according to claim 8 for capableing of Rapid Fermentation decomposing straw, which is characterized in that the confession
Pipe material (3) connects breeding house (3) and lavatory (1).
10. a kind of application method of biogas generation apparatus that capableing of Rapid Fermentation decomposing straw as described in claim 1, special
Sign is, including animal wastes are discharged into methane-generating pit (4)；Straw or house refuse etc. are put into stalk fermentation pond (11)
In ferment；It is sprayed the biogas slurry discharge in methane-generating pit (4) and by water pump (8) by spraying mouth (10) in discharge room (7)
It is sprinkled upon on the stalk in stalk fermentation pond (11)；Zymotic fluid in stalk fermentation pond (11) flow to biogas by skylight casing (5)
In pond (4), the biogas in methane-generating pit (4) is discharged by biogas discharge pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065197.5A CN108315232B (en) | 2018-01-23 | 2018-01-23 | Biogas generating device capable of rapidly fermenting and decomposing straw and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065197.5A CN108315232B (en) | 2018-01-23 | 2018-01-23 | Biogas generating device capable of rapidly fermenting and decomposing straw and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108315232A true CN108315232A (en) | 2018-07-24 |
| CN108315232B CN108315232B (en) | 2024-05-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548922A (en) * | 2020-06-22 | 2020-08-18 | 杭州德哈斯电子科技有限公司 | Fertilizer fermentation device based on methane tank |
| CN117534512A (en) * | 2023-11-19 | 2024-02-09 | 黑龙江省黑土保护利用研究院 | Spraying structure for regulating and controlling straw composting moisture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548922A (en) * | 2020-06-22 | 2020-08-18 | 杭州德哈斯电子科技有限公司 | Fertilizer fermentation device based on methane tank |
| CN117534512A (en) * | 2023-11-19 | 2024-02-09 | 黑龙江省黑土保护利用研究院 | Spraying structure for regulating and controlling straw composting moisture |
| CN117534512B (en) * | 2023-11-19 | 2024-04-12 | 黑龙江省黑土保护利用研究院 | Spraying structure for regulating and controlling straw composting moisture |
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