CN108017417A - A kind of animal faeces wastes resource utilization system - Google Patents
A kind of animal faeces wastes resource utilization system Download PDFInfo
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- CN108017417A CN108017417A CN201711085151.1A CN201711085151A CN108017417A CN 108017417 A CN108017417 A CN 108017417A CN 201711085151 A CN201711085151 A CN 201711085151A CN 108017417 A CN108017417 A CN 108017417A
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- fermentation tank
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
- C05F3/06—Apparatus for the manufacture
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- 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
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- 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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/914—Portable or transportable devices, e.g. transport containers or trucks
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/957—Apparatus therefor using two or more serially arranged devices
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of animal faeces wastes resource utilization system.Including anaerobic fermentation tank 1, aerobic composting device 2,1 bottom of anaerobic fermentation tank is connected with aerobic composting device 2,1 top of anaerobic fermentation tank carries gas storage film 22,22 upper end of gas storage film is connected with exhaust outlet 4, safety valve 5,1 bottom of anaerobic fermentation tank is rounding conical shell 23, and there is discharge port 25 in 23 bottom of rounding conical shell；1 bottom margin one of the anaerobic fermentation tank circle has supporting rack 16 to support, 16 side of supporting rack is provided with switching regulator door 24, movable pulley 21 is arranged at 2 bottom of aerobic composting device, and movable pulley 21 is connected with sliding rail 20, and aerobic composting device 2 is come in and gone out by the door of supporting rack 16；The discharge port 25 is connected by centrifugal pump A10 with solid-liquid separating machine 7.The system equipment is simple, and utilization ratio is high, while overall delivery can be carried out according to different places, easy to disassemble and install, promotes waste resource synthesization to utilize by the metabolism of biology, mitigates rural area point source pollution of area source.
Description
Technical field
The invention belongs to changing rejected material to useful resource technical field, and in particular to a kind of animal faeces wastes recycling system
System, suitable for carrying out innoxious, minimizing, recycling treatment to rural area animal faeces wastes.
Background technology
Livestock and poultry feces are one of main pollution of area source in current China rural area.2004, State Environmental Protection Administration's monitoring data
It has been shown that, Pollution from livestock and poultry account for the % of 35.0 % of Rural Plane Source Pollution ~ 40.0.By 2006, aquaculture industry of China chemical oxygen demand
Amount total emission volumn reaches 1.1 hundred million tons, and about 12,000,000 tons of ammonia nitrogen discharge capacity, its pollutional load had played industrial wastewater and urban life
The summation of sewage pollution load, becomes the root of China's rural pollution, and the life and environment to the people cause immeasurable shadow
Ring.2013, China's livestock and poultry cultivation night soil sewage quantity was up to 3,800,000,000 tons.According to the whole nation nearly 3000 livestock and poultry standardization demonstration field
The ratio of finding, scale livestock farming compost and biogas facility is only respectively 35% and 26%, most also to cannot get effectively
Processing and utilization.
Livestock and poultry cultivation generates a large amount of excrement, contains a large amount of nitrogen, phosphorus and organic waste pollutant etc. in feces of livestock and poultry.Rural area
Livestock and poultry farm and individual casual household be not strong to rural environment consciousness, and excrement is arbitrarily stacked, and often enters soil and ground with rainwater
Lower water.Livestock and poultry cultivation sewage is directly discharged to external environment condition without harmless treatment, and the content of nitrogen and phosphorous enriches in sewage, easily
Cause body eutrophication.The sewage of high concentration is discharged into river, lake, farmland etc., causes water quality constantly to deteriorate, to periphery peasant
Normal production and living bring extreme influence, or even to concentrating potable water source district to constitute a serious threat.Feces of livestock and poultry is through everfermentation
After can produce harmful organic exhaust gas such as substantial amounts of ammonia nitrogen compound, hydrogen sulfide, methane, these gases can not only destroy ecology, and
And it can also directly affect human health.Harmful exhaust can enter respiratory tract, cause the respiratory tracts such as cough, tracheitis and bronchitis
Disease, not only threatens the safety of farm, more jeopardizes the health of farm employee and nearby residents.Excrement contains largely
Pathogenic microorganism and parasitic ovum, such as processing will multiply mosquitos and flies not in time, increase in environment cause of disease species, bacterium amount increases
Greatly, spread pathogen and parasite, cause the generation of zoonosis, endanger human and livestock health, seriously affect and restrict livestock and poultry
The sustainable development of aquaculture.
Number of patent application discloses a kind of light-duty packaged type vegetables for the patent of invention of 2016.11220575.X and discards
Thing anaerobic dry fermentation system and the method using the system anaerobic fermentation, are sent out by pulverizer, preparing pool, conveyer belt, anaerobic dry
The composition of ferment device, the plantation that intensive Vegetable area or scattered vegetable cultivation family are produced, vegetable for processing discarded object anaerobic fermentation system
Biogas is taken, obtains organic fertilizer, but the oxygen demand of the insulation to anaerobic fermentation and aerobic compost is not controlled and adjusts.
The patent of invention that number of patent application is 201110205354.6 discloses a kind of feces of livestock and poultry dry fermentation and produces biogas
And the method for organic fertilizer, the invention need not dilute the direct dry fermentation of feces of livestock and poultry, feces of livestock and poultry, it is not required that pretreatment removes
Sand, biogas fermentation device will not form scum silica frost, and only anaerobic fermentation conditions are set forth, and not send out compositing system and anaerobism
The connection description of fermentation tank, also without specific aerobic composting device.
The patent of invention that number of patent application is 201611091718.1 discloses a kind of aerobic compost and is coupled with anaerobic fermentation
Kitchen garbage device, aerobic composting system is located at the inside of anaerobic fermentation system, kitchen of the aerobic composting system after broken
Rubbish carries out aerobic compost, and the biogas that produces produces biogas residue as organic fertilizer as gas energy after anaerobic fermentation system fermentation,
Biogas slurry is focused on into sewage network, and aerobic composting system is located inside fermentation tank, although can be provided for anaerobic fermentation
A small amount of heat, but the connection to device top proposes the bearing requirements of higher, nor facilitate input and output material.
The content of the invention
It is an object of the invention to provide a kind of animal faeces wastes recycling profit in view of the shortcomings of the prior art
With system, solve rural area feces of livestock and poultry and have a large capacity and a wide range, huddle the problem of disorderly falling, serious pollution is caused to Ecological Environment.
The present invention technical solution be：A kind of animal faeces wastes resource utilization system, including anaerobic fermentation
Tank, aerobic composting device, anaerobic fermentation pot bottom are connected with aerobic composting device, and the anaerobic fermentation tank top carries gas storage
Film, gas storage film upper end are connected with exhaust outlet, and anaerobic fermentation pot bottom is rounding conical shell, and there is discharge port in rounding conical shell bottom；It is described
The circle of anaerobic fermentation tank bottom margin one has supporting rack support, and supporting rack side is provided with switching regulator door, the aerobic composting device
Movable pulley is arranged at bottom, and movable pulley is connected with sliding rail, and aerobic composting device is come in and gone out by the door of supporting rack；The discharge port
It is connected by centrifugal pump A with solid-liquid separating machine.
According to embodiments of the present invention, side blender is installed above the anaerobic fermentation tank sidewall bottom.
According to embodiments of the present invention, there is insulating layer outside the anaerobic fermentation pot sidewall, hot water is installed inside insulating layer
Coil pipe；Side is equipped with feces of livestock and poultry feed inlet outside the anaerobic fermentation pot sidewall, and opposite side sets phegma feed inlet.
According to embodiments of the present invention, the hot-water coil pipe passes through hot water circulating pump and solar water heater.
According to embodiments of the present invention, the feces of livestock and poultry feed inlet connecting screw pump.
According to embodiments of the present invention, phegma feed inlet connection separating tube, separating tube connection centrifugal pump B, it is described from
Heart pump B connection solid-liquid separating machines.
According to embodiments of the present invention, the aerobic composting device bottom inside has aeration tube, and aeration tube is connected with air blower.
According to embodiments of the present invention, the gas storage film upper end is connected with safety valve.
The beneficial effects of the invention are as follows：（1）The present invention devise a kind of anaerobic fermentation technology by feces of livestock and poultry with it is aerobic
The resource utilization system that composting technology organically combines, and the company that anaerobic ferment devices and aerobic composting device are passed through into levels
Connect combined integrated；（2）Heat tracing of the present invention employs what solar water insulation was produced with aerobic compost bacteria itself metabolism
Heat provides heat for anaerobic fermentation, so at utmost utilizes the energy of nature to integrate；（3）The present invention can be with continuous processing
Small-sized feces of livestock and poultry, and it is easy to disassemble and install, transport nearby to other demands；（4）Whole system of the present invention accounts for
Ground area is small, and high to livestock and poultry dung recovery producing level, the biogas produced after fermentation can be directly for occupying domestic gas, and biogas slurry can
It is used to improve soil hardening to irrigate farming land, biogas residue can be to produce organic fertilizer after compost.
Brief description of the drawings
Fig. 1 is the animal faeces wastes resource utilization system structure diagram of the present invention.
Fig. 2 is the aerobic composting device bottom aeration tube structure diagram of the present invention.
Fig. 3 is the sliding rail and movable pulley structure diagram of the present invention.
In figure：1- anaerobic fermentation tanks, 2- aerobic composting devices, 3- sides blender, 4- exhaust outlets, 5- safety valves, the 6- sun
Can water heater, 7- solid-liquid separating machines, 8- hot water circulating pumps, 9- air blowers, 10- centrifugal pumps, 11- centrifugal pumps, 12- screw pumps, 13-
Hot-water coil pipe, 14- insulating layers, 15- separating tubes, 16- supporting racks, 17- phegmas feed inlet, 18- feces of livestock and poultry feed inlet, 19-
Aeration tube, 20- sliding rails, 21- movable pulleies, 22- gas storage film, 23- roundings conical shell, 24- switching regulators door, 25- discharge ports.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, technique effect of the invention will be shown in embodiments of the present invention
That shows is more obvious.
A kind of animal faeces wastes resource utilization system, including anaerobic fermentation tank 1, aerobic composting device 2, anaerobism hair
1 bottom of fermentation tank is connected with aerobic composting device 2, and 1 top of anaerobic fermentation tank carries gas storage film 22, the connection of 22 upper end of gas storage film
There are exhaust outlet 4, safety valve 5,1 bottom of anaerobic fermentation tank is rounding conical shell 23, and there is discharge port 25 in 23 bottom of rounding conical shell；It is described to detest
1 bottom margin one of aerobe fermentation tank circle has supporting rack 16 to support, and 16 side of supporting rack is provided with switching regulator door 24, the aerobic compost
Movable pulley 21 is arranged at 2 bottom of device, and movable pulley 21 is connected with sliding rail 20, the door that aerobic composting device 2 passes through supporting rack 16
Come in and go out；The discharge port 25 is connected by centrifugal pump A10 with solid-liquid separating machine 7.
1 base diameter of anaerobic fermentation tank of the present embodiment is 2m, and a height of 3m, the highest liquid level of anaerobic fermentation tank 1 is 2m；Detest
Side blender 3 is installed at 0.25 m above 1 sidewall bottom of aerobe fermentation tank；Side blender 3 provides power branch for anaerobic fermentation tank
Hold, the slurry in tank and strain is uniformly mixed, there is provided stable biogas output.
Gas storage film 22 can keep in the biogas that anaerobic fermentation tank 1 produces, while can play buffering in externally output biogas
Effect；The rounding conical shell 23 of 1 bottom of anaerobic fermentation tank is 25 ° of cone angle, and sand setting can be preferably gathered in by rounding conical shell 23 to be detested
1 centre bottom of aerobe fermentation tank, prevents from taking up sand setting during slurry agitation, convenient discharging；The supporting rack of 1 bottom margin of anaerobic fermentation tank
16 are enough the weight that carries anaerobic fermentation tank and feces of livestock and poultry mixture, its a diameter of 2m, a height of 1.5m, side is provided with length
The switching regulator door 24 of 1.8m, high 1.1m, facilitate the disengaging of aerobic composting device 2.
There is insulating layer 14 outside 1 side wall of anaerobic fermentation tank, inside is provided with hot-water coil pipe 13, has at 1m, 1.5m, 2m
Three phegma feed inlets 17, there is feces of livestock and poultry feed inlet 18,18 connecting screw of the feces of livestock and poultry feed inlet pump at 2.1m
12；The temperature of anaerobic fermentation is 35-38 DEG C；It is anaerobic fermentation that aerobic composting device 2, which can utilize the metabolism of microorganism,
Tank 1 provides lasting origin of heat, and when not enough heat is applied, solar water heater 6 is carried by hot-water coil pipe 13 for anaerobic fermentation tank 1
Kept the temperature for auxiliary.
Solar water heater 6 is connected with hot water circulating pump 8 and 1 hot-water coil pipe of anaerobic fermentation tank, 13 one end, hot water circulating pump 8
It is connected with 13 one end of hot-water coil pipe in anaerobic fermentation tank 1, the hot-water return of circulation can maintain stable fermentation temperature.
The phegma feed inlet 17 connects separating tube 15, and separating tube 15 connects centrifugal pump B11, the centrifugal pump B11 companies
Connect solid-liquid separating machine 7；Biogas slurry can be partly refluxed to inside anaerobic fermentation tank 1 by these three phegma feed inlets 17, can be provided
Strain after domestication and moisture content and pH value in adjusting anaerobic fermentation tank 1.
Solid-liquid separating machine 7 is connected with centrifugal pump A10, centrifugal pump B11, and solid-liquid separating machine 7 can be by the mixed slurry after fermentation
It is dehydrated into biogas residue and biogas slurry.
It is slidable aerobic composting device 2 in 1 bottom supporting rack 16 of anaerobic fermentation tank, 2 bottom of aerobic composting device is
Square that the length of side is 1.7 m, be highly 1 m, and a side of 1 bottom supporting rack 16 of anaerobic fermentation tank is filled as aerobic compost
Put 2 inlet and outlet.
Two rows of movable pulleies 21 are arranged at 2 bottom of aerobic composting device, and movable pulley 21 is connected with sliding rail 20, aerobic composting device
2 are come in and gone out by the side door of supporting rack 16, convenient charging and discharging.
The bottom inside of aerobic composting device 2 has three aeration tubes 19, and aeration tube 19 is connected with air blower 9, can be micro- life
Oxygen needed for the offer of thing aerobic compost.
Recycling is carried out to animal faeces wastes using the system of the present embodiment；Day processing 250-330 kg livestock and poultry
Excrement amount, after excrement enters anaerobic fermentation tank 1, the residence time in tank is 15-20 days, and fermentation temperature is 35-38 DEG C, production
Gas rate is 400-500ml methane/gVS, and the thermal conductivity factor of insulating layer 14 is 0.5W/（m·℃）, the slurry after anaerobic fermentation passes through
Centrifugal pump A10 is transported to the separation of solid-liquid separating machine 7, and biogas residue enters aerobic composting device 2 and carries out compost, and the compost time is 15-
18 days, aeration tube was aerated 3 times daily, and biogas slurry is back in anaerobic fermentation tank 1 by centrifugal pump B11, biogas by exhaust outlet into
Enter pipeline and be used as resident's combustion gas.
The feces of livestock and poultry for the middle-size and small-size scale that the system can disperse according to rural area is focused on, and passes through anaerobic fermentation
With biology aerobic composting technology, feces of livestock and poultry is subjected to recycling treatment, realizes that biogas high level efficiently utilizes, biogas residue and biogas liquid fills
Divide returning to the field or production commercialization organic fertilizer；Animal faeces wastes resource utilization system, equipment is simple, and utilization ratio is high, together
When overall delivery can be carried out according to different place, it is easy to disassemble and install, promoted by the metabolism of biology
Waste resource synthesization utilizes, and mitigates rural area point source pollution of area source.
In conclusion these specific embodiments are all based on the difference realized under the mentality of designing of patent of the present invention
Mode, but the protection domain of patent of the present invention does not limit to and this, and any one skilled in the art is not departing from
On the premise of principle described in patent of the present invention, make some improvements and modifications and all cover protection domain in this patent of invention
It is interior.The protection domain of patent of the present invention should be subject to the protection domain of claims.
Claims (8)
1. a kind of animal faeces wastes resource utilization system, including anaerobic fermentation tank（1）, aerobic composting device（2）, anaerobism
Fermentation tank（1）Bottom and aerobic composting device（2）Connection, it is characterised in that：The anaerobic fermentation tank（1）Top carries gas storage film
（22）, gas storage film（22）Upper end is connected with exhaust outlet（4）, anaerobic fermentation tank（1）Bottom is rounding conical shell（23）, rounding conical shell
（23）There is discharge port in bottom（25）；The anaerobic fermentation tank（1）The circle of bottom margin one has supporting rack（16）Support, supporting rack（16）
Side is provided with switching regulator door（24）, the aerobic composting device（2）Movable pulley is arranged at bottom（21）, movable pulley（21）With sliding rail
Road（20）Connection, aerobic composting device（2）Pass through supporting rack（16）Door come in and go out；The discharge port（25）Pass through centrifugal pump A
（10）With solid-liquid separating machine（7）Connection.
A kind of 2. animal faeces wastes resource utilization system according to claim 1, it is characterised in that the anaerobism
Fermentation tank（1）Side blender is installed above sidewall bottom（3）.
A kind of 3. animal faeces wastes resource utilization system according to claim 1, it is characterised in that the anaerobism
Fermentation tank（1）There is insulating layer outside side wall（14）, insulating layer（14）Inside is provided with hot-water coil pipe（13）；The anaerobic fermentation tank
（1）Side is equipped with feces of livestock and poultry feed inlet outside side wall（18）, opposite side setting phegma feed inlet（17）.
A kind of 4. animal faeces wastes resource utilization system according to claim 3, it is characterised in that the hot water
Coil pipe（13）Pass through hot water circulating pump（8）With solar water heater（6）.
A kind of 5. animal faeces wastes resource utilization system according to claim 3, it is characterised in that the livestock and poultry
Excrement feed inlet（18）Connecting screw pumps（12）.
A kind of 6. animal faeces wastes resource utilization system according to claim 3, it is characterised in that the reflux
Liquid feed inlet（17）Connect separating tube（15）, separating tube（15）Connect centrifugal pump B（11）, the centrifugal pump B（11）Connect solid-liquid
Seperator（7）.
7. a kind of animal faeces wastes resource utilization system according to claim 1, it is characterised in that described aerobic
Composting device（2）Bottom inside has aeration tube（19）, aeration tube（19）With air blower（9）Connection.
A kind of 8. animal faeces wastes resource utilization system according to claim 1, it is characterised in that the gas storage
Film（22）Upper end is connected with safety valve（5）.
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| CN201711085151.1A CN108017417A (en) | 2017-11-07 | 2017-11-07 | A kind of animal faeces wastes resource utilization system |
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| CN201711085151.1A CN108017417A (en) | 2017-11-07 | 2017-11-07 | A kind of animal faeces wastes resource utilization system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929846A (en) * | 2018-08-08 | 2018-12-04 | 农业部南京农业机械化研究所 | A kind of packaged type aerobic compost and anaerobic fermentation system |
| CN110372430A (en) * | 2019-07-15 | 2019-10-25 | 上海理工大学 | Organic waste heat and recycling synchronous recovery device |
| CN110432132A (en) * | 2019-07-16 | 2019-11-12 | 广东广垦畜牧工程研究院有限公司 | It is a kind of to combine the method and irrigation system for carrying out soilless cultivation with biogas slurry using feces of livestock and poultry |
| CN110642654A (en) * | 2019-11-19 | 2020-01-03 | 重庆大学 | Urban kitchen waste anaerobic fermentation biogas residue aerobic composting stirring system |
| CN110760433A (en) * | 2019-10-22 | 2020-02-07 | 湖北农谷能源建设有限公司 | Dry-type anaerobic fermentation and organic fertilizer fermentation integrated system |
| CN112279689A (en) * | 2020-12-31 | 2021-01-29 | 中钢集团天澄环保科技股份有限公司 | Vehicle-mounted livestock and poultry manure disposal and comprehensive utilization device |
| CN112481117A (en) * | 2020-12-28 | 2021-03-12 | 中国农业科学院农业环境与可持续发展研究所 | Self-propelled anaerobic dry fermentation device for treating planting waste and operation method |
| CN113788717A (en) * | 2021-09-16 | 2021-12-14 | 南宁市博发科技有限公司 | Equipment for producing organic fertilizer by good anaerobic synchronous fermentation of cow dung and other wastes |
| CN117187031A (en) * | 2022-12-29 | 2023-12-08 | 刘明 | Kitchen garbage microbial degradation treatment device |
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| CN110642654A (en) * | 2019-11-19 | 2020-01-03 | 重庆大学 | Urban kitchen waste anaerobic fermentation biogas residue aerobic composting stirring system |
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