CN107815409A - A kind of solar assisted methane fermentation device - Google Patents
A kind of solar assisted methane fermentation device Download PDFInfo
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- CN107815409A CN107815409A CN201711104729.3A CN201711104729A CN107815409A CN 107815409 A CN107815409 A CN 107815409A CN 201711104729 A CN201711104729 A CN 201711104729A CN 107815409 A CN107815409 A CN 107815409A
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- 238000000855 fermentation Methods 0.000 title claims abstract description 91
- 230000004151 fermentation Effects 0.000 title claims abstract description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000002028 Biomass Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000283074 Equus asinus Species 0.000 description 1
- 241000283073 Equus caballus Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011509 cement plaster Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000003462 zymogenic effect Effects 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
- 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
-
- 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
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
-
- 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
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
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Abstract
The present invention relates to a kind of solar assisted methane fermentation device, belongs to biomass energy technology field.Apparatus of the present invention are during the fermentation, internal temperature is detected by the temperature sensor for the top tank structure that ferments, water heating in device is stored in header tank by the heat that solar heat collector absorbs the sun, when the temperature in temperature sensor monitors to fermentation tank is too low, the water being heated in header tank is pumped into the zone of heating of fermentation tank by control system control high-pressure pump, water after heating returns solar heat collector and heated, form circulation, raise the temperature in fermentation tank by zone of heating, ensure temperature needed for fermentation, in fermentation process when producing encrustation phenomena, control system controlled motor drives agitator to be stirred the material in fermentation tank, improve fermentation efficiency, motor passes through storage battery power supply, battery is powered by solar panel.
Description
Technical field
The present invention relates to a kind of solar assisted methane fermentation device, belongs to biomass energy technology field.
Background technology
As the bio-energy industry of strategic rising industry, quickly grow in recent years.Biogas is as biomass energy
One branch, it has also pulled aquaculture hair while traditional pattern of life, the environmental protection of the people of change
The structural adjustment of planting industry is opened up, promoted, irreplaceable effect is all played in terms of the production, life, ecology of resident.Its with
The advantage such as economy and the feature of environmental protection is increasingly becoming the important hand that various countries town and country handle organic waste by the very big welcome of people
One of section, also with one of the energy, the important channel for solving environmental crisis.China is large agricultural country, produces rice straw per year up to 6.4 hundred million
Ton, occupy agricultural straw resource owning amount first place.The thermal efficiency of traditional stalk occupation mode is only 10%~30%, and 1kg stalks
The available heating value for being converted into biogas combustion is 64%.Therefore there is very high practicality, this is solves environment, energy problem opens up
One new thinking.
The traditional fermentation tank disadvantage in the north is exactly that easily discharging is difficult for charging.The buried methane-generating pit of tradition at least every
Reload once greatly within two months, each reload batch is all very big, and it is that tradition is buried that how nearly biogas residue, biogas slurry, which draw up ground,
The difficulty of methane-generating pit, and promote the use of the key point of failure.Manually extracted with material suction device, labor intensity is big, employs machine
Extract, cost is too high.Though traditional tank does not allow to do raw material but livestock using stalk（Ox, horse, donkey, sheep）Mainly with straw
Class（Corn stalk, paddy straw）For feed, and the wax of stalk is difficult differentiation degraded in livestock stomach, so excrement is sent out in pond
Encrustation phenomena can be still produced after ferment, in order to which broken shell generally use passes through the method for feed liquid in stirring pool.The feed liquid in stirring pool
When, mechanical agitation spend it is too high, it is artificial to stir not only severe operational environment, and labor intensity is big, waste time and energy during operation.
In view of two aspect reasons, many users refuse to use buried methane-generating pit above, many methane-generating pits are fallen into disuse and are changed into useless gradually
Pond.
One evaluation criterion of biogas fermentation quality is aerogenesis speed, aerogenesis quantity, biogas quality.Traditional buried hair
Fermentation tank have impact on being sufficiently mixed for zymophyte and raw material, so as to have impact on the effect of its fermentation on the one hand due to the crust in feed liquid face
Rate, on the other hand, because the seal of many methane-generating pits is bad, the strict anaerobic environment needed for biogas fermentation is destroyed, is made
Zymogenic activity is affected, so as to influence gas production, aerogenesis speed, using effect.Fermentation efficiency is also that biogas is promoted
The key factor of failure.
Because traditional zymotic device is not by manual control, mainly based on spontaneous fermentation, its fermentation efficiency cannot be fine
Guarantee.Due to the crust on surface of fermenting, prevent biogas to be filled with plenum space, cause the few gas of air chamber or air chamber in pond interior without natural pond
Gas and raw material is still in the phenomenon of aerogenesis under air chamber shell.Under the poorly sealed dual reason of biogas pressure and methane-generating pit, biogas from
Pond body is discharged into and out of material mouth, is not only caused dangerous hidden danger while user circuit fire phenomenon is often occurred when using biogas,
Cause the used time not enough, not the used time run away again the phenomenon of waste.This is also popularization, a reason using difficulty.
Biogas is a kind of mixture of imflammable gas, and its main component is methane（Methane content accounts for 60-70%）, its
Secondary is carbon dioxide, in addition also a small amount of nitrogen, hydrogen, oxygen, carbon monoxide and hydrogen sulfide etc..Traditional zymotic pond is with pond
Water and the plastic cement of cement plaster and Chi Gai of pool wall and inner surface seal and seal, sealing does not reach safety requirements.By
Frequent input and output material is needed in traditional zymotic pond, inevitably brings oxygen in pond into.The entrance of oxygen and the leakage of biogas
Inflammable and explosive hidden danger will be caused.
Continuous aggravation and environmental problem with the progress of progress of the band with technology, biochemical technology and biogenetic products
The requirement of the index such as continuous aggravation, structure design, stirring efficiency to fermentation tank also improved constantly.In setting for fermentation tank
In meter, not only to need to design in strict accordance with zymotechnique, but also to take into account and improve fermentation level and reduction energy consumption.For
Meet demand, the development of fermentation tank gradually develop to the direction of green, automation.The mechanical stirring device of correlation, automatic control
System processed, residual-heat utilization technology etc. have also required specialized design and manufacture.
The content of the invention
Present invention mainly solves technical problem：Being fed easily for existing fermentation tank, discharging is difficult, fermentation efficiency is low, natural pond
The problem of gas can not supply in time, the invention provides a kind of solar assisted methane fermentation device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention：
A kind of solar assisted methane fermentation device, including fermentation tank, described fermentation tank outside are provided with zone of heating, zone of heating
Outside is heat-insulation layer, and fermenter base is provided with spiral agitator, axle sleeve is provided between spiral agitator and fermentation tank wall,
Spiral agitator is connected with motor by V belt translation, is battery above motor, is solar panel above battery, hair
Solar heat collector is provided with the right side of fermentation tank, be header tank above solar heat collector, header tank by inlet channel with
Drainage pipeline is connected with zone of heating, and high-pressure pump is provided with drainage pipeline, and temperature sensor is provided with the top tank structure that ferments.
A kind of application process of solar assisted methane fermentation device is：During the fermentation, the top tank structure that ferments is passed through
Temperature sensor detects internal temperature, and the water heating in device is stored in by the heat of the solar heat collector absorption sun catchments
Case, when the temperature in temperature sensor monitors to fermentation tank is too low, control system controls high-pressure pump to be heated in header tank
Water be pumped into the zone of heating of fermentation tank, the water after heating returns solar heat collector and heated, formed circulation, pass through
Zone of heating raises the temperature in fermentation tank, ensures temperature needed for fermentation, in fermentation process when producing encrustation phenomena, control system
System controlled motor drives agitator to be stirred the material in fermentation tank, improves fermentation efficiency, motor by storage battery power supply,
Battery is powered by solar panel.
The medium used in described solar heat collector is water.
Described inlet channel is arranged on fermentation tank both sides with drainage pipeline.
The beneficial effects of the invention are as follows：
（1）In marsh gas fermentation processes, temperature has a great impact to biogas fermentation degree and gas production, so control fermentation
Temperature in tank is particularly significant, and the heat that solar energy is utilized in the present invention is installation for fermenting heat supply, and one is provided with the present invention
Solar heater, and one layer of zone of heating is provided with the outside of fermentation tank, will be defeated after water heating people by solar heater
It is sent in zone of heating and is exchanged heat, so as to improve the temperature in fermentation tank, the water after heat exchange is back to solar heat collector again
Secondary heating, a circulation is formed, solar energy is effectively utilized, has saved the energy, while make fermentation tank in the form of zone of heating
Inside it is heated evenly, improves the fermenting speed in fermentation tank.
（2）Spiral agitator is provided with the present invention in fermentation tank, for spiral agitator by motor driven, motor passes through storage
Battery powered, electric energy caused by battery storage solar panel, it is that agitating device supplies the energy by solar energy, saves
Resource, while large-scale whisking machines need not be used, cost is reduced, when material takes out, spiral agitator can push thing
Material, facilitates the removing of material, improves the efficiency of fermentation.
Brief description of the drawings
Fig. 1 is the organigram of solar assisted methane fermentation device of the present invention.
Wherein, 1, solar panel；2nd, battery；3rd, motor；4th, fermentation tank；5th, drainage pipeline；6th, high-pressure pump；7th, enter
Waterpipe；8th, header tank；9th, solar heat collector；10th, zone of heating；11st, heat-insulation layer；12nd, axle sleeve；13rd, spiral agitator；
14th, temperature sensor.
Embodiment
A kind of solar assisted methane fermentation device, including fermentation tank 4, the described outside of fermentation tank 4 are provided with zone of heating
10, the outside of zone of heating 10 is heat-insulation layer 11, and the bottom of fermentation tank 4 is provided with spiral agitator 13, spiral agitator 13 and fermentation tank 4
Axle sleeve 12 is provided between outer wall, spiral agitator 13 is connected with motor 3 by V belt translation, and the top of motor 3 is battery 2,
The top of battery 2 be solar panel 1, is provided with solar heat collector 9 on the right side of fermentation tank 4, on solar heat collector 9
Side is header tank 8, and header tank 8 is connected with zone of heating 10 by inlet channel 7 and drainage pipeline 5, is provided with drainage pipeline 5
High-pressure pump 6, temperature sensor 14 is provided with the inwall of fermentation tank 4.A kind of application process of solar assisted methane fermentation device
It is：During the fermentation, internal temperature is detected by the temperature sensor 14 of the inwall of fermentation tank 4, solar heat collector 9 absorbs
Water heating in device is stored in header tank 8 by the heat of the sun, and the temperature mistake in fermentation tank 4 is monitored when temperature sensor 14
When low, control system controls high-pressure pump 6 that the water being heated in header tank 8 is pumped into the zone of heating 10 of fermentation tank 4, after heating
Water returns solar heat collector 9 and heated, and forms circulation, raises the temperature in fermentation tank 4 by zone of heating 10, protects
Temperature needed for card fermentation, in fermentation process when producing encrustation phenomena, control system controlled motor 3 drives agitator 13 to fermentation
Material in tank is stirred, and improves fermentation efficiency, and motor 3 is powered by battery 2, and battery 2 passes through solar panel
Power supply.The medium used in described solar heat collector 9 is water.Described inlet channel 7 is arranged on hair with drainage pipeline 5
The both sides of fermentation tank 4.
Claims (4)
1. a kind of solar assisted methane fermentation device, including fermentation tank（4）, described fermentation tank（4）Outside is provided with heating
Layer（10）, zone of heating（10）Outside is heat-insulation layer（11）, fermentation tank（4）Bottom is provided with spiral agitator（13）, auger
Device（13）With fermentation tank（4）Axle sleeve is provided between outer wall（12）, spiral agitator（13）With motor（3）It is connected by V belt translation
Connect, motor（3）Top is battery（2）, battery（2）Top is solar panel（1）, fermentation tank（4）Right side is provided with
Solar heat collector（9）, solar heat collector（9）Top is header tank（8）, header tank（8）Pass through inlet channel（7）With
Drainage pipeline（5）With zone of heating（10）It is connected, drainage pipeline（5）In be provided with high-pressure pump（6）, fermentation tank（4）Set on inwall
It is equipped with temperature sensor（14）.
2. a kind of application process of solar assisted methane fermentation device according to claim 1 is：During the fermentation,
Pass through fermentation tank（4）The temperature sensor of inwall（14）Detect internal temperature, solar heat collector（9）Absorb the heat of the sun
Water heating in device is stored in header tank（8）, work as temperature sensor（14）Monitor fermentation tank（4）Interior temperature is too low
When, control system control high-pressure pump（6）By header tank（8）Interior heated water is pumped into fermentation tank（4）Zone of heating（10）In, add
Water after heat returns solar heat collector（9）Heated, form circulation, pass through zone of heating（10）Make fermentation tank（4）It is interior
Temperature rise, ensure fermentation needed for temperature, in fermentation process when producing encrustation phenomena, control system controlled motor（3）Band
Dynamic agitator（13）Material in fermentation tank is stirred, improves fermentation efficiency, motor（3）Pass through battery（2）Power supply, store
Battery（2）Powered by solar panel.
A kind of 3. solar assisted methane fermentation device according to claim 1, it is characterised in that：Described solar energy adds
Thermal（9）The middle medium used is water.
A kind of 4. solar assisted methane fermentation device according to claim 1, it is characterised in that：Described inlet channel
（7）With drainage pipeline（5）It is arranged on fermentation tank（4）Both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104729.3A CN107815409A (en) | 2017-11-10 | 2017-11-10 | A kind of solar assisted methane fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104729.3A CN107815409A (en) | 2017-11-10 | 2017-11-10 | A kind of solar assisted methane fermentation device |
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| Publication Number | Publication Date |
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| CN107815409A true CN107815409A (en) | 2018-03-20 |
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ID=61608941
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| CN201711104729.3A Pending CN107815409A (en) | 2017-11-10 | 2017-11-10 | A kind of solar assisted methane fermentation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220158A (en) * | 2018-04-10 | 2018-06-29 | 吉林奇星生物质能科技开发有限公司 | One kind automatically controls solar energy heating marsh-gas generating equipment and control method |
| CN108821809A (en) * | 2018-07-25 | 2018-11-16 | 江苏大学 | Organic fungi-manure is produced using agricultural wastes and is used for orchard liquid manure one administration system and method |
| CN109401936A (en) * | 2018-12-28 | 2019-03-01 | 安徽大学 | A kind of solid organic matter vertical type fermentation tank |
| CN109403664A (en) * | 2018-11-07 | 2019-03-01 | 闫占红 | A kind of ecological environment protection toilet installation for fermenting |
| CN111848258A (en) * | 2020-07-31 | 2020-10-30 | 兰州理工大学 | Biomass-to-gas-liquid solid fertilizer rapid conversion system |
| CN114105691A (en) * | 2021-12-13 | 2022-03-01 | 威海海洋职业学院 | Fermenting installation for organic fertilizer |
-
2017
- 2017-11-10 CN CN201711104729.3A patent/CN107815409A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220158A (en) * | 2018-04-10 | 2018-06-29 | 吉林奇星生物质能科技开发有限公司 | One kind automatically controls solar energy heating marsh-gas generating equipment and control method |
| CN108821809A (en) * | 2018-07-25 | 2018-11-16 | 江苏大学 | Organic fungi-manure is produced using agricultural wastes and is used for orchard liquid manure one administration system and method |
| CN109403664A (en) * | 2018-11-07 | 2019-03-01 | 闫占红 | A kind of ecological environment protection toilet installation for fermenting |
| CN109401936A (en) * | 2018-12-28 | 2019-03-01 | 安徽大学 | A kind of solid organic matter vertical type fermentation tank |
| CN111848258A (en) * | 2020-07-31 | 2020-10-30 | 兰州理工大学 | Biomass-to-gas-liquid solid fertilizer rapid conversion system |
| CN114105691A (en) * | 2021-12-13 | 2022-03-01 | 威海海洋职业学院 | Fermenting installation for organic fertilizer |
| CN114105691B (en) * | 2021-12-13 | 2022-06-07 | 威海海洋职业学院 | Fermenting installation for organic fertilizer |
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