CN111825277A - Aquaculture waste zero-emission comprehensive utilization system and utilization method - Google Patents
Aquaculture waste zero-emission comprehensive utilization system and utilization method Download PDFInfo
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- CN111825277A CN111825277A CN202010696970.5A CN202010696970A CN111825277A CN 111825277 A CN111825277 A CN 111825277A CN 202010696970 A CN202010696970 A CN 202010696970A CN 111825277 A CN111825277 A CN 111825277A
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- 239000002699 waste material Substances 0.000 title claims abstract description 34
- 238000009360 aquaculture Methods 0.000 title claims abstract description 30
- 244000144974 aquaculture Species 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000000746 purification Methods 0.000 claims abstract description 81
- 238000001914 filtration Methods 0.000 claims abstract description 61
- 238000005273 aeration Methods 0.000 claims abstract description 49
- 238000000855 fermentation Methods 0.000 claims abstract description 40
- 230000004151 fermentation Effects 0.000 claims abstract description 40
- 238000005276 aerator Methods 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims description 13
- 230000002503 metabolic effect Effects 0.000 claims description 12
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 5
- 229930006000 Sucrose Natural products 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 229960004793 sucrose Drugs 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 47
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 47
- 241001330002 Bambuseae Species 0.000 abstract description 47
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 47
- 239000011425 bamboo Substances 0.000 abstract description 47
- 239000000463 material Substances 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 9
- 241000238557 Decapoda Species 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241001459819 Carassius gibelio Species 0.000 description 1
- 241000530454 Litopenaeus schmitti Species 0.000 description 1
- 241000276707 Tilapia Species 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/166—Nitrites
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The application discloses aquaculture wastes material zero release comprehensive utilization system and utilization method, including breeding pond, high-pressure squirt, filtration purification section of thick bamboo, filter screen, fermentation vat, aeration purification section of thick bamboo, aerator, filtration purification section of thick bamboo water pipe, aeration purification section of thick bamboo water pipe, breed pond water pipe and fermentation vat water pipe, it links to each other with the filtration purification section of thick bamboo through filtration purification section of thick bamboo water pipe to breed the pond, high-pressure squirt is established at filtration purification section of thick bamboo top, and the filter screen is established in the filtration purification section of thick bamboo, and the fermentation vat passes through the fermentation vat water pipe and links to each other with the filtration purification section of thick bamboo, the aeration purification section of thick bamboo passes through aeration purification section of thick bamboo water pipe and links to each other with the filtration purification.
Description
Technical Field
The invention belongs to the technical field of environment, and particularly relates to an aquaculture waste zero-emission comprehensive utilization system and an aquaculture waste zero-emission comprehensive utilization method.
Background
Biological flocculation technology has been widely applied in the culture of south America white shrimps, tilapia, carassius auratus gibelio and the like, and biological filtration technology based on biomembrane is the core of the water treatment of fish and shrimp recirculating aquaculture. The key technology in the industrial circulating water culture is the purification treatment and the recycling of culture water, namely, a closed internal circulation culture system taking the environment protection as a base point is established. The core technology of the device is water treatment technology, and the key technology is biological purification. The common industrial aquaculture water circulation system comprises a rotary drum type micro-filter, a protein separator, a biochemical pond, a sterilization pond and the like, and has a complex structure and high equipment and installation cost. In particular to a method for degrading ammonia nitrogen and nitrite by mainly depending on organic matters in water in a microorganism floc purifying tank in the culture of the biological floc. However, through the factory aquaculture water circulation system, although aquaculture water is purified, the concentration of floccules is easily damaged, and the stability of the aquaculture water is affected. Therefore, an integrated wastewater recycling method is required to solve the above problems.
The most recent prior art is CN201910825279.X, which is a wastewater treatment method for shrimp culture, through three-stage purification, the wastewater in a shrimp culture pond is pumped into a first purification barrel by a centrifugal pump, so that redundant biological floccules and organic matters in the wastewater can be effectively ensured to be precipitated, biochemical fillers are added in a second purification barrel, a disc aerator releases a large amount of gas to drive the biochemical fillers to roll in the second purification barrel, the contact efficiency of the biochemical fillers and bacteria can be effectively increased, the bacteria are attached to the biochemical fillers to the maximum extent, and the wastewater is kept stand after flowing into a third purification barrel to further degrade nitrite under the action of anaerobic denitrification. The utility model provides a waste water cyclic utilization method of breeding shrimp, simple structure can effectually save the cost and purify the shrimp culture waste water, detaches surplus biological wadding group, organic matter, purifies ammonia nitrogen, nitrite to still can not destroy the concentration of wadding group, guarantee the stability of aquaculture. However, the application is slightly insufficient in consideration of the problem that the waste water is not reasonably utilized.
Disclosure of Invention
The technical problem to be solved is as follows: the application mainly provides an aquaculture waste zero-discharge comprehensive utilization system and an aquaculture waste zero-discharge comprehensive utilization method, and solves the technical problems that waste water utilization is not reasonable enough in the prior art and the like. The waste water is treated while the metabolic wastes of the fish and the shrimp are fermented to produce methane, so that the metabolic wastes are more reasonably utilized.
The technical scheme is as follows:
the utility model provides an aquaculture wastes material zero release comprehensive utilization system, includes breed pond, high-pressure squirt, filtration purification section of thick bamboo, filter screen, fermentation vat, aeration purification section of thick bamboo, aerator, filtration purification section of thick bamboo water pipe, aeration purification section of thick bamboo water pipe, breeds pond water pipe and fermentation vat water pipe, breed the pond and link to each other with the filtration purification section of thick bamboo through filtration purification section of thick bamboo water pipe, high-pressure squirt is established at filtration purification section of thick bamboo top, and the filter screen is established in the filtration purification section of thick bamboo, and the fermentation vat passes through the fermentation vat water pipe and links to each other with the filtration purification section of thick bamboo, the aeration purification section of thick bamboo passes through aeration purification section of thick bamboo water pipe and links to.
As a preferred technical scheme of the invention, the filter screen is arranged below the high-pressure water gun.
As a preferred technical scheme of the invention, one end of the water pipe of the filtering and purifying cylinder is arranged at the bottom of the culture pond, and the other end is arranged at the top of the filtering and purifying cylinder.
As a preferable technical scheme of the invention, the aeration purifying cylinder water pipe and the fermentation tank water pipe are arranged at the bottoms of the left side and the right side of the filtering purifying cylinder.
As a preferred technical scheme of the invention, one end of the water pipe of the aeration purification cylinder is arranged at the bottom of the right side of the filtration purification cylinder, and the other end is arranged at the top of the aeration purification cylinder.
As a preferred technical scheme of the invention, one end of the water pipe of the fermentation tank is arranged at the bottom of the left side of the filtering and purifying cylinder, and the other end is arranged at the top of the fermentation tank.
As a preferred technical scheme of the invention, one end of the water pipe of the culture pond is arranged at the bottom of the aeration purification cylinder, and the other end is arranged at the top of the culture pond.
As a preferable technical scheme of the invention, EM bacteria and cane sugar are arranged in the aeration purifying cylinder.
A utilization method of an aquaculture waste zero-emission comprehensive utilization system comprises the following steps:
the first step is as follows: pumping the sewage from the culture pond to a filtering and purifying cylinder through a water pipe of the filtering and purifying cylinder by using a water pump, and separating metabolic waste and the rest sewage in the filtering and purifying cylinder through a filter screen;
the second step is that: the metabolic waste is remained on the filter screen, the rest sewage enters the aeration purification cylinder through an aeration purification cylinder water pipe, the aeration purification cylinder is aerated through an aerator, EM bacteria and cane sugar are added into the aeration purification cylinder every 5-7 days, and the C/N ratio is maintained to be 15-20 so as to degrade ammonia nitrogen and nitrite in the water body;
the third step: after aeration is carried out for 3-5 h, the aerator is closed and stands for 1-2 h, then nitrite is further degraded under the action of anaerobic nitrification, and then the treated water is guided into the culture pond through a water pipe of the culture pond by a water pump;
the fourth step: after discharging the rest sewage, flushing the residual metabolic waste on the filter screen into the filtering and purifying cylinder through a high-pressure water gun to obtain fermentation liquid, and discharging the fermentation liquid into a fermentation tank through a fermentation tank water pipe for fermentation.
Has the advantages that: compared with the prior art, the zero-emission comprehensive utilization system and the utilization method for aquaculture waste have the advantages that sewage emission in the aquaculture process is reduced, and metabolic waste in the aquaculture process is reasonably treated.
Description of the drawings: FIG. 1 is a schematic structural diagram of an aquaculture waste zero-emission comprehensive utilization system and a utilization method thereof.
Description of reference numerals: 1. breed pond, 2, high-pressure squirt, 3, filtration purification section of thick bamboo, 4, filter screen, 5, fermentation vat, 6, aeration purification section of thick bamboo, 7, aerator, 8, filtration purification section of thick bamboo water pipe, 9, aeration purification section of thick bamboo water pipe, 10, breed pond water pipe, 11, fermentation vat water pipe.
Detailed Description
Example 1:
the utility model provides an aquaculture wastes material zero release comprehensive utilization system, includes breed pond 1, high-pressure squirt 2, filtration purification section of thick bamboo 3, filter screen 4, fermentation vat 5, aeration purification section of thick bamboo 6, aerator 7, filtration purification section of thick bamboo water pipe 8, aeration purification section of thick bamboo water pipe 9, breed pond water pipe 10 and fermentation vat water pipe 11, breed pond 1 and link to each other with filtration purification section of thick bamboo 3 through filtration purification section of thick bamboo water pipe 8, high-pressure squirt 2 is established at filtration purification section of thick bamboo 3 top, and filter screen 4 is established in filtration purification section of thick bamboo 3, and fermentation vat 5 links to each other with filtration purification section of thick bamboo 3 through fermentation vat water pipe 11, aeration purification section of thick bamboo 6 links to each other with filtration purification section of thick bamboo 3 through aeration purification section of thick bamboo water pipe 9, and aeration purification section of thick bamboo.
As shown in fig. 1, a utilization method of an aquaculture waste zero-emission comprehensive utilization system comprises the following steps:
the first step is as follows: pumping the sewage from the culture pond 1 to a filtering and purifying cylinder 3 through a water pipe 8 of the filtering and purifying cylinder by using a water pump, and separating metabolic waste and the rest sewage in the filtering and purifying cylinder 3 through a filter screen 4;
the second step is that: the metabolic waste is remained on the filter screen 4, the rest sewage enters the aeration purification cylinder 6 through the water pipe 9 of the aeration purification cylinder, the aeration purification cylinder 6 is aerated through the aerator 7, EM bacteria and cane sugar are added into the aeration purification cylinder 6 every 5-7 d, and the C/N ratio is maintained to be 15-20 so as to degrade ammonia nitrogen and nitrite in the water body;
the third step: after aeration is carried out for 3-5 h, the aerator 7 is closed and kept stand for 1-2 h, then nitrite is further degraded under the action of anaerobic nitrification, and then the treated water is guided into the culture pond 1 through a water pipe 10 of the culture pond by a water pump;
the fourth step: after discharging the rest sewage, flushing the residual metabolic waste on the filter screen 4 into the filtering and purifying cylinder 3 through the high-pressure water gun 2 to obtain fermentation liquid, and discharging the fermentation liquid into the fermentation tank 5 through the fermentation tank water pipe 11 for fermentation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an aquaculture waste matter zero release comprehensive utilization system which characterized in that: comprises a culture pond (1), a high-pressure water gun (2), a filtering and purifying cylinder (3), a filter screen (4), a fermentation pond (5), an aeration and purification cylinder (6), an aerator (7), a water pipe (8) of the filtering and purification cylinder, a water pipe (9) of the aeration and purification cylinder, a water pipe (10) of the culture pond and a water pipe (11) of the fermentation pond, the culture pond (1) is connected with the filtering and purifying cylinder (3) through a water pipe (8) of the filtering and purifying cylinder, the high-pressure water gun (2) is arranged at the top of the filtering and purifying cylinder (3), the filter screen (4) is arranged in the filtering and purifying cylinder (3), the fermenting tank (5) is connected with the filtering and purifying cylinder (3) through a fermenting tank water pipe (11), the aeration purification cylinder (6) is connected with the filtration purification cylinder (3) through an aeration purification cylinder water pipe (9), and the aeration purification cylinder (6) is connected with the culture pond (1) through a culture pond water pipe (10).
2. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: the filter screen (4) is arranged below the high-pressure water gun (2).
3. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: one end of the water pipe (8) of the filtering and purifying cylinder is arranged at the bottom of the culture pond (1), and the other end is arranged at the top of the filtering and purifying cylinder (3).
4. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: the aeration purifying cylinder water pipe (9) and the fermentation tank water pipe (11) are arranged at the bottoms of the left side and the right side of the filtering purifying cylinder (3).
5. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: one end of the water pipe (9) of the aeration purification cylinder is arranged at the bottom of the right side of the filtration purification cylinder (3), and the other end is arranged at the top of the aeration purification cylinder (6).
6. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: one end of the fermentation tank water pipe (11) is arranged at the bottom of the left side of the filtering and purifying cylinder (3), and the other end is arranged at the top of the fermentation tank (5).
7. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: one end of the culture pond water pipe (10) is arranged at the bottom of the aeration purifying cylinder (6), and the other end is arranged at the top of the culture pond (1).
8. The system for zero-emission comprehensive utilization of aquaculture wastes according to claim 1, characterized in that: EM bacteria and cane sugar are arranged in the aeration purifying cylinder (6).
9. The utilization method of the aquaculture waste zero-emission comprehensive utilization system according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
the first step is as follows: pumping the sewage from the culture pond (1) into a filtering and purifying cylinder (3) through a water pipe (8) of the filtering and purifying cylinder by using a water pump, and separating metabolic waste and the rest sewage in the filtering and purifying cylinder (3) through a filter screen (4);
the second step is that: the metabolic waste is remained on the filter screen (4), the rest sewage enters the aeration purification cylinder (6) through the water pipe (9) of the aeration purification cylinder, the aeration purification cylinder (6) is aerated through the aerator (7), EM bacteria and cane sugar are added into the aeration purification cylinder (6) every 5-7 days, and the C/N ratio is maintained to be 15-20 to degrade ammonia nitrogen and nitrite in the water body;
the third step: after aeration is carried out for 3-5 h, the aerator (7) is closed and kept stand for 1-2 h, then nitrite is further degraded under the action of anaerobic nitrification, and then the treated water is guided into the culture pond (1) through a water pipe (10) of the culture pond by a water pump;
the fourth step: after discharging the rest sewage, the metabolic waste remained on the filter screen (4) is flushed into the filtering and purifying cylinder (3) through the high-pressure water gun (2) to obtain fermentation liquid, and the fermentation liquid is discharged into the fermentation tank (5) through the fermentation tank water pipe (11) for fermentation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043034.8A CN115947495A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
| CN202010696970.5A CN111825277A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696970.5A CN111825277A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310043034.8A Division CN115947495A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
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| Publication Number | Publication Date |
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| CN111825277A true CN111825277A (en) | 2020-10-27 |
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| CN202310043034.8A Withdrawn CN115947495A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
| CN202010696970.5A Pending CN111825277A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310043034.8A Withdrawn CN115947495A (en) | 2020-07-20 | 2020-07-20 | Aquaculture waste zero-emission comprehensive utilization system and utilization method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116459659B (en) * | 2023-03-30 | 2023-12-26 | 衡山五星农牧发展有限公司 | Cultivation environment treatment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320705A (en) * | 2011-06-26 | 2012-01-18 | 广东东泰乳业有限公司 | Method for treating sewage containing high nutrients |
| CN102870708A (en) * | 2011-07-15 | 2013-01-16 | 天津盛亿养殖有限公司 | Factory circulating water aquiculture system |
| CN110407420A (en) * | 2019-09-03 | 2019-11-05 | 宁夏天荣现代农业科技有限公司 | It is a kind of for supporting the wastewater recycling method of shrimp |
| CN111285475A (en) * | 2020-03-20 | 2020-06-16 | 盐城工学院 | Aquaculture waste resource utilization method |
-
2020
- 2020-07-20 CN CN202310043034.8A patent/CN115947495A/en not_active Withdrawn
- 2020-07-20 CN CN202010696970.5A patent/CN111825277A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320705A (en) * | 2011-06-26 | 2012-01-18 | 广东东泰乳业有限公司 | Method for treating sewage containing high nutrients |
| CN102870708A (en) * | 2011-07-15 | 2013-01-16 | 天津盛亿养殖有限公司 | Factory circulating water aquiculture system |
| CN110407420A (en) * | 2019-09-03 | 2019-11-05 | 宁夏天荣现代农业科技有限公司 | It is a kind of for supporting the wastewater recycling method of shrimp |
| CN111285475A (en) * | 2020-03-20 | 2020-06-16 | 盐城工学院 | Aquaculture waste resource utilization method |
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| CN115947495A (en) | 2023-04-11 |
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Application publication date: 20201027 |