CN112452003A - Environment-friendly pig wastewater treatment is with scraper blade preliminary sedimentation pond - Google Patents
Environment-friendly pig wastewater treatment is with scraper blade preliminary sedimentation pond Download PDFInfo
- Publication number
- CN112452003A CN112452003A CN202011400853.6A CN202011400853A CN112452003A CN 112452003 A CN112452003 A CN 112452003A CN 202011400853 A CN202011400853 A CN 202011400853A CN 112452003 A CN112452003 A CN 112452003A
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- sedimentation tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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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
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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
-
- 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
- C05F17/964—Constructional parts, e.g. floors, covers or doors
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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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
-
- 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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- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses an environment-friendly scraper pre-sedimentation tank for treating pig raising wastewater, which comprises a pre-sedimentation tank body, wherein a short side wall of the pre-sedimentation tank is arranged in the pre-sedimentation tank body, one end of the short side wall of the pre-sedimentation tank is fixedly connected with a long side wall of the pre-sedimentation tank, a wastewater inlet is arranged above one end of the short side wall of the pre-sedimentation tank, a pre-sedimentation tank water outlet is arranged above one end of the long side wall of the pre-sedimentation tank, the outer side of the wastewater inlet is fixedly connected with a water inlet port, one end of the pre-sedimentation tank body is fixedly connected with a closed tank body, a short side wall of the closed tank is arranged in the closed tank body, a closed tank sealing upper cover is fixedly connected above the short side wall of the closed tank, a solar storage battery plate is fixedly connected above the closed tank sealing upper cover, and; the scraper pre-sedimentation tank for treating the pig-raising wastewater can be conveniently used, the waste can be recycled, and the scraper pre-sedimentation tank is simple in structure and high in practicability.
Description
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to an environment-friendly scraper pre-sedimentation tank for treating pig raising wastewater.
Background
The pig raising industry is an important industry in agriculture in China. The method plays an important role in guaranteeing the safe supply of meat food, the pig industry in China is changed from the traditional pig industry to the modern pig industry, and the breeding mode, the regional layout, the production mode and the production capacity are obviously changed. The method has the problems of weak independent innovation capability, outstanding food safety problem, high labor cost, import dependence of breeder seeds, serious epidemic disease, high environmental protection pressure, lack of feed resources and the like. But also has the opportunities of improving independent innovation conditions, having large international market space, steadily increasing domestic market, having large government support force and the like.
In the pig breeding process, a large amount of waste water, waste materials, excrement and other various waste products can be generated, the waste products need to be precipitated and filtered by using a pre-sedimentation tank, and the pre-sedimentation tank is a sedimentation tank arranged before coagulation sedimentation treatment when the sediment particles in raw water are large or the concentration is high. The pre-settling tank can remove settleable matters and floating matters in the wastewater. After the wastewater is primarily precipitated, 50% of the precipitable substances, 50% of the grease and the floating substances and 20% of BOD can be removed, the pre-precipitation tank is the most economical purification step according to the unit mass of BOD or solid removal, the pre-precipitation tank is easy to pretreat the domestic sewage and the industrial sewage with high suspended substances, and the pre-precipitation tank can play a role of a regulating tank to a certain extent and has a certain homogenization effect on water quality. The impact of water quality change on a subsequent biochemical system is relieved, and some wastewater treatment process systems return part of sludge in the secondary sedimentation tank to the pre-sedimentation tank to play a biological flocculation role of the sludge in the secondary sedimentation tank, so that more soluble and colloidal organic matters can be adsorbed, the removal efficiency of the pre-sedimentation tank is improved, and the system is adopted only when the suspended solids of raw water are more and more easily subside. The pre-sedimentation tank can be a natural pond or a common sedimentation tank.
However, most of the existing pig raising industry adopts direct discharge measures for waste water generated, so that the pig raising industry is not environment-friendly, the environment is greatly polluted, and even if precipitation filtering equipment is used, the equipment is single in use function and poor in environment-friendly effect.
Disclosure of Invention
The invention aims to provide an environment-friendly scraper pre-sedimentation tank for treating pig-raising wastewater, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly scraper pre-sedimentation tank for treating pig raising wastewater comprises a pre-sedimentation tank body, wherein a short side wall of the pre-sedimentation tank is arranged in the pre-sedimentation tank body, one end of the short side wall of the pre-sedimentation tank is fixedly connected with a long side wall of the pre-sedimentation tank, a wastewater inlet is arranged above one end of the short side wall of the pre-sedimentation tank, a water outlet of the pre-sedimentation tank is arranged above one end of the long side wall of the pre-sedimentation tank, the outer side of the wastewater inlet is fixedly connected with a water inlet port, one end of the pre-sedimentation tank body is fixedly connected with a closed tank body, a short side wall of the closed tank is arranged in the closed tank body, a closed tank sealing upper cover is fixedly connected above the short side wall of the closed tank, a solar storage battery plate is fixedly connected above the closed tank sealing upper cover, an air outlet port is embedded in the closed tank sealing upper cover and, one end of the feeding pump is fixedly connected with a one-way valve, and one end of the closed tank body is fixedly connected with a material storage tank.
As a further scheme of the invention: the material storage tank is internally provided with a discharge pump which is communicated with the closed tank body and the material storage tank.
As a still further scheme of the invention: one end of the closed tank body is fixedly connected with a control panel.
As a still further scheme of the invention: control panel one end electric connection has the feeding control button, control panel one end electric connection has ejection of compact control button, control panel one end electric connection has power control button.
As a still further scheme of the invention: the top of the air outlet port is movably connected with a connecting and filtering connecting ring, and the outer side of the connecting and filtering connecting ring is provided with an annular embedded connecting groove.
As a still further scheme of the invention: the connection filtering connecting ring is internally embedded with a gas filter screen, and the gas filter screen is made of cotton yarn.
As a still further scheme of the invention: the long side wall quantity of the preliminary sedimentation tank is provided with two sets of, all is located the short side wall both ends fixed connection of preliminary sedimentation tank, the short side wall quantity of the closed pool is provided with two sets of, all is located the sealed upper cover below fixed connection of closed pool.
As a still further scheme of the invention: the one-way valve is positioned below the inner part of the pre-settling tank body, and the feeding pump is communicated with the one-way valve and the pre-settling tank body and the closed tank body.
As a still further scheme of the invention: the port of the water inlet is communicated with the wastewater inlet.
As a still further scheme of the invention: the solar storage battery plate, the feeding pump, the discharging pump, the control panel, the feeding control key, the discharging control key and the power control key are electrically connected.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the semi-solid organic waste precipitated in the tank body of the pre-precipitation tank is pumped into the closed tank body through the feeding pump, and the anaerobic reaction is carried out in the closed tank body to generate biogas for resource recycling, so that energy sources such as illumination and the like during cultivation can use the biogas, the energy-saving and environment-friendly effects are achieved, and the one-way valve is arranged on one side of the feeding pump to prevent the waste from flowing back.
2. According to the invention, the reacted organic fertilizer in the closed tank body is pumped into the storage tank through the discharge pump, the organic fertilizer can be taken out from the storage tank at will, and the organic waste after fermentation reaction is a very good fertilizer and can be reused for agricultural irrigation and fertilization.
3. According to the solar energy storage battery, the solar energy storage battery plate, the feeding pump, the discharging pump, the control panel, the feeding control key, the discharging control key and the power supply control key are electrically connected with the solar energy storage battery plate, so that energy can be provided for self work, and the solar energy storage battery is more environment-friendly.
Drawings
FIG. 1 is a schematic structural view of a scraper pre-settling tank for treating environment-friendly pig-raising wastewater.
FIG. 2 is a schematic view of the sectional structure of the environmental-friendly scraper pre-settling tank for treating wastewater from pig farming.
FIG. 3 is a schematic view of the structure of an air outlet port in a scraper pre-settling tank for treating waste water from environmental protection pig farming.
In the figure: 1-a preliminary sedimentation tank body, 2-a short side wall of the preliminary sedimentation tank, 3-a long side wall of the preliminary sedimentation tank, 4-a wastewater inlet, 5-a water outlet of the preliminary sedimentation tank, 6-a water inlet port, 7-a closed tank body, 8-a short side wall of the closed tank, 9-a sealed upper cover of the closed tank, 10-a solar storage battery plate, 11-an air outlet interface, 12-a feeding pump, 13-a one-way valve, 14-a storage battery, 15-a discharging pump, 16-a control panel, 17-a feeding control key, 18-a discharging control key, 19-a power supply control key, 20-a connecting and filtering ring, 21-an annular embedded connecting groove and 22-a gas filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, an environment-friendly scraper pre-settling tank for treating pig raising wastewater comprises a pre-settling tank body 1, a short side wall 2 of the pre-settling tank is arranged inside the pre-settling tank body 1, one end of the short side wall 2 of the pre-settling tank is fixedly connected with a long side wall 3 of the pre-settling tank, two groups of long side walls 3 of the pre-settling tank are arranged, and are fixedly connected with two ends of the short side wall 2 of the pre-settling tank, a wastewater inlet 4 is arranged above one end of the short side wall 2 of the pre-settling tank, a pre-settling tank outlet 5 is arranged above one end of the long side wall 3 of the pre-settling tank, a water inlet port 6 is fixedly connected outside the wastewater inlet 4, the water inlet port 6 is in through connection with the wastewater inlet 4, a closed tank body 7 is fixedly connected with one end of the pre-settling tank body 1, a short side wall 8 of the closed tank, two groups of short side walls 8 of the closed cell are arranged in quantity and are fixedly connected below a sealed upper cover 9 of the closed cell, a solar storage battery plate 10 is fixedly connected above the sealed upper cover 9 of the closed cell, an air outlet port 11 is embedded inside the sealed upper cover 9 of the closed cell and the solar storage battery plate 10, a feed pump 12 is arranged below the inner part of the short side wall 8 of the closed cell in a penetrating manner, one end of the feed pump 12 is fixedly connected with a one-way valve 13, the one-way valve 13 is arranged below the inner part of a pre-sedimentation cell body 1, the feed pump 12 is communicated with the one-way valve 13, the pre-sedimentation cell body 1 and the closed cell body 7 are fixedly connected, one end of the closed cell body 7 is fixedly connected with a storage cell 14, a discharge pump 15 is arranged inside the storage cell 14, the discharge pump 15 penetrates through the closed cell body 7 and the storage cell 14, one end of the closed cell body 7 is fixedly connected with a control panel 16, one, 16 one end electric connection of control panel has ejection of compact control button 18, 16 one end electric connection of control panel has power control button 19, electric connection between solar cell panel 10, charge pump 12, discharge pump 15, control panel 16, feeding control button 17, ejection of compact control button 18 and the power control button 19, it connects and filters the connecing ring 20 to give vent to anger interface 11 top swing joint, connect and filter the connecing ring 20 outside and seted up annular embedded connecting groove 21, connect and filter the inside gas filtration net 22 that inlays of connecing ring 20, gas filtration net 22 is the cotton yarn material.
The working principle of the invention is as follows: when the device is used, organic waste wastewater is connected through the water inlet port 6, a wastewater water inlet 4 flows into the interior of the pre-sedimentation tank body 1 for sedimentation, after sedimentation is finished, the clear wastewater at the upper part flows out of the water outlet 5 of the pre-sedimentation tank for further filtration and other processes to realize water resource recycling, the semi-fixed waste precipitated below is pumped into the closed tank body 7 through the feed pump 12 and the one-way valve 13, the one-way valve 13 is arranged to effectively prevent the waste from flowing back to pollute the water quality after sedimentation, anaerobic fermentation reaction is carried out in the closed tank body 7, usable biogas can be generated after reaction, the biogas can be connected and discharged for use through the connecting and filtering connecting ring 20 arranged on the air outlet port on the closed tank body 7, the biogas can be used after being filtered through the gas filter screen 22, energy sources such as illumination of a farm can be provided by the biogas, environmental protection and energy conservation are achieved, and, the organic waste materials after the fermentation reaction are very good fertilizers and can be reused for agricultural irrigation and fertilization.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an environment-friendly scraper blade preliminary sedimentation tank for treating pig raising wastewater, which is characterized in that, including preliminary sedimentation tank cell body (1), preliminary sedimentation tank short lateral wall (2) is provided with in the preliminary sedimentation tank cell body (1), short lateral wall (2) one end fixedly connected with preliminary sedimentation tank long lateral wall (3) of preliminary sedimentation tank, waste water inlet (4) have been seted up to short lateral wall (2) one end top of preliminary sedimentation tank, preliminary sedimentation tank delivery port (5) have been seted up to long lateral wall (3) one end top of preliminary sedimentation tank, waste water inlet (4) outside fixedly connected with water inlet port (6), one end fixedly connected with of preliminary sedimentation tank cell body (1) seals cell body (7), it is provided with short lateral wall (8) of seal pool to seal inside seal cell body (7), the short lateral wall (8) top fixedly connected with seal upper cover (9) of seal pool, the seal upper cover (9) top fixedly connected with solar cell battery board (10) of seal, the sealed upper cover (9) of the sealed pool and the solar storage battery plate (10) are internally embedded with an air outlet connector (11), a feeding pump (12) is arranged below the inner portion of the short side wall (8) of the sealed pool in a penetrating mode, one end of the feeding pump (12) is fixedly connected with a one-way valve (13), and one end of the sealed pool body (7) is fixedly connected with a material storage pool (14).
2. The environment-friendly scraper pre-sedimentation tank for treating wastewater generated by pig raising according to claim 1, wherein a discharge pump (15) is arranged inside the storage tank (14), and the discharge pump (15) penetrates through the closed tank body (7) and the storage tank (14).
3. The environment-friendly scraper pre-sedimentation tank for treating wastewater generated in pig raising according to claim 1, wherein a control panel (16) is fixedly connected to one end of the closed tank body (7).
4. The environment-friendly scraper pre-sedimentation tank for treating wastewater generated by pig raising according to claim 3, wherein one end of the control panel (16) is electrically connected with a feeding control button (17), one end of the control panel (16) is electrically connected with a discharging control button (18), and one end of the control panel (16) is electrically connected with a power control button (19).
5. The environment-friendly scraper pre-settling tank for treating the pig raising wastewater as claimed in claim 1, wherein a connecting filtering connecting ring (20) is movably connected above the air outlet port (11), and an annular embedded connecting groove (21) is formed in the outer side of the connecting filtering connecting ring (20).
6. The environment-friendly scraper pre-settling tank for treating the pig raising wastewater as claimed in claim 5, wherein a gas filter screen (22) is embedded in the connecting and filtering connecting ring (20), and the gas filter screen (22) is made of cotton yarn.
7. The environment-friendly scraper pre-settling tank for treating the pig raising wastewater as claimed in claim 1, wherein the number of the long side walls (3) of the pre-settling tank is two, the two long side walls are fixedly connected with both ends of the short side walls (2) of the pre-settling tank, and the number of the short side walls (8) of the closed tank is two, the two short side walls are fixedly connected with each other below the upper sealing cover (9) of the closed tank.
8. The environment-friendly scraper pre-sedimentation tank for treating pig-raising wastewater as claimed in claim 1, wherein the one-way valve (13) is located below the inside of the pre-sedimentation tank body (1), and the feed pump (12) and the one-way valve (13) are communicated with the pre-sedimentation tank body (1) and the closed tank body (7).
9. The environment-friendly scraper pre-sedimentation tank for treating wastewater generated during pig raising according to claim 1, wherein the water inlet port (6) is connected with the wastewater inlet (4) in a penetrating manner.
10. The environment-friendly scraper pre-settling tank for treating the pig raising wastewater as claimed in claim 1, wherein the solar storage battery plate (10), the feeding pump (12), the discharging pump (15), the control panel (16), the feeding control button (17), the discharging control button (18) and the power control button (19) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400853.6A CN112452003A (en) | 2020-12-04 | 2020-12-04 | Environment-friendly pig wastewater treatment is with scraper blade preliminary sedimentation pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400853.6A CN112452003A (en) | 2020-12-04 | 2020-12-04 | Environment-friendly pig wastewater treatment is with scraper blade preliminary sedimentation pond |
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| Publication Number | Publication Date |
|---|---|
| CN112452003A true CN112452003A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011400853.6A Pending CN112452003A (en) | 2020-12-04 | 2020-12-04 | Environment-friendly pig wastewater treatment is with scraper blade preliminary sedimentation pond |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978884B1 (en) * | 2010-02-25 | 2010-08-31 | 김진식 | System for manufacturing liquid fertilizers classifide by concentration used livestock wastewater |
| US20140034574A1 (en) * | 2011-02-03 | 2014-02-06 | Anaergia Inc. | Treatment of waste products with anaerobic digestion |
| CN204125315U (en) * | 2014-10-13 | 2015-01-28 | 沾益县林林青农牧发展有限责任公司 | A kind of plant biogas fermentation device |
| CN207143249U (en) * | 2017-09-01 | 2018-03-27 | 云南柳记农业科技发展有限公司 | A kind of pigsty marsh gas fermentation pool with filtering function |
| CN107935251A (en) * | 2017-12-29 | 2018-04-20 | 安徽蓝清源环境科技有限公司 | A kind of organic waste-water treating apparatus |
| CN207462736U (en) * | 2017-09-01 | 2018-06-08 | 青岛中投创新技术转移有限公司 | A kind of environment-friendly sewage flow tank |
-
2020
- 2020-12-04 CN CN202011400853.6A patent/CN112452003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978884B1 (en) * | 2010-02-25 | 2010-08-31 | 김진식 | System for manufacturing liquid fertilizers classifide by concentration used livestock wastewater |
| US20140034574A1 (en) * | 2011-02-03 | 2014-02-06 | Anaergia Inc. | Treatment of waste products with anaerobic digestion |
| CN204125315U (en) * | 2014-10-13 | 2015-01-28 | 沾益县林林青农牧发展有限责任公司 | A kind of plant biogas fermentation device |
| CN207143249U (en) * | 2017-09-01 | 2018-03-27 | 云南柳记农业科技发展有限公司 | A kind of pigsty marsh gas fermentation pool with filtering function |
| CN207462736U (en) * | 2017-09-01 | 2018-06-08 | 青岛中投创新技术转移有限公司 | A kind of environment-friendly sewage flow tank |
| CN107935251A (en) * | 2017-12-29 | 2018-04-20 | 安徽蓝清源环境科技有限公司 | A kind of organic waste-water treating apparatus |
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Application publication date: 20210309 |
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