CN114044613A - Fishery composite industrial aquaculture tail water treatment system and method - Google Patents
Fishery composite industrial aquaculture tail water treatment system and method Download PDFInfo
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- CN114044613A CN114044613A CN202111403241.7A CN202111403241A CN114044613A CN 114044613 A CN114044613 A CN 114044613A CN 202111403241 A CN202111403241 A CN 202111403241A CN 114044613 A CN114044613 A CN 114044613A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000009360 aquaculture Methods 0.000 title claims abstract description 54
- 244000144974 aquaculture Species 0.000 title claims abstract description 54
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 14
- 239000000126 substance Substances 0.000 claims abstract description 27
- 241000238557 Decapoda Species 0.000 claims abstract description 26
- 235000015097 nutrients Nutrition 0.000 claims abstract description 24
- 239000013535 sea water Substances 0.000 claims abstract description 21
- 235000015170 shellfish Nutrition 0.000 claims abstract description 21
- 241000251468 Actinopterygii Species 0.000 claims abstract description 19
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 241000206581 Gracilaria Species 0.000 claims abstract description 8
- 241000196324 Embryophyta Species 0.000 claims description 32
- 235000001855 Portulaca oleracea Nutrition 0.000 claims description 13
- 241000219304 Portulacaceae Species 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 241000237502 Ostreidae Species 0.000 claims description 5
- 241001533364 Portunus trituberculatus Species 0.000 claims description 5
- 238000012851 eutrophication Methods 0.000 claims description 5
- 235000020636 oyster Nutrition 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 241000995704 Fenneropenaeus chinensis Species 0.000 claims description 3
- 244000234609 Portulaca oleracea Species 0.000 claims description 3
- 239000000872 buffer Substances 0.000 claims description 3
- 230000003031 feeding effect Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 241000620877 Ruditapes philippinarum Species 0.000 claims 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 8
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- 238000000746 purification Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
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- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 241000238147 Portunidae Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2101/30—Organic compounds
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (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 invention discloses a fisherman composite factory culture tail water treatment system, which comprises a sedimentation treatment tank, a secondary utilization culture tank and a tail water collecting channel which are sequentially arranged; at least one of fishes, shrimps and crabs and any combination thereof are cultivated in the secondary utilization cultivation pond, shellfish is sowed at the bottom of the secondary utilization cultivation pond, gracilaria is transplanted in the secondary utilization cultivation pond, and salt-tolerant plants are planted at the edge of the secondary utilization cultivation pond; shellfish is sowed on the upper part and the bottom of the tail water collecting channel, and aquatic salt-tolerant plants for absorbing nutrient substances in the tail water by the plants are planted in the tail water collecting channel. By adopting the fisherman composite industrial aquaculture tail water treatment system with the structure, the yield of fishes and shrimps is increased, the quality of treated seawater is discharged after reaching standards, the industrial aquaculture tail water is comprehensively and efficiently utilized and purified, and the harmful influence of organic matters, ammonia nitrogen, suspended matters, COD (chemical oxygen demand) and the like in the aquaculture tail water on the ecological environment of offshore sea areas is effectively avoided.
Description
Technical Field
The invention relates to a tail water treatment technology, in particular to a fisherman combined type factory culture tail water treatment system and a treatment method.
Background
At present, with the rapid development of seawater industrial aquaculture, more and more tail water containing high-protein compound feed, aquatic animal excrement and residual bait is generated, and the situation of the conventional aquaculture is that the tail water is directly discharged into the sea. Because the aquaculture tail water is rich in nitrogen, phosphorus and the like, the direct discharge of the aquaculture tail water easily causes eutrophication of surrounding water bodies, damages water sources, pollutes offshore environments and causes that the mariculture industry cannot be continuously developed. And the treatment of aquaculture tail water by a few aquaculture objects mostly adopts a static precipitation method, which needs long time and has not ideal effect.
In the prior art, for example, chinese patent application CN102910789A discloses a seawater culture water composite circulation purification system, which is connected in series with a primary precipitation unit, a contact oxidation unit, a shellfish ecological pond unit and a plug-flow artificial wetland unit. However, the method does not introduce the links of pond biological resource reutilization and aquatic plant absorption, has limitations in design, has no universal applicability, is insufficient in purification and has insufficient effect. Chinese patent application CN105645685A discloses a method and equipment for treating wastewater discharged from seawater culture, which is characterized in that the method and equipment for treating wastewater discharged from seawater culture comprise a biochemical pond, a biological filter bed, a curved sieve, an electrocatalytic oxidation device and a filter pond. The method for treating the seawater culture wastewater mainly aims at industrial recirculating aquaculture, has high equipment price and high running cost, decomposes organic matters, ammonia nitrogen and nitrite nitrogen in the seawater wastewater through electrocatalytic oxidation to carry out a purification mode, and has poor effect.
As can be seen, the prior art has high equipment price and is not suitable for industrialized traditional culture. Or the waste water is too simple and directly discharged into the sea, thereby polluting the environment.
Disclosure of Invention
The invention aims to provide a fisherman composite industrial aquaculture tail water treatment system, which increases the yield of fishes and shrimps, simultaneously discharges the treated seawater after reaching standards, realizes the comprehensive and efficient utilization and purification of industrial aquaculture tail water, and effectively solves the harmful influence of organic matters, ammonia nitrogen, suspended matters, COD and the like in the aquaculture tail water on the ecological environment of offshore sea areas.
In order to achieve the purpose, the invention provides a fisherman composite industrial aquaculture tail water treatment system, which comprises a sedimentation treatment tank, a secondary utilization aquaculture tank and a tail water collecting channel, wherein the sedimentation treatment tank, the secondary utilization aquaculture tank and the tail water collecting channel are sequentially arranged along the industrial aquaculture tail water treatment direction;
one or any combination of fishes, shrimps and crabs is cultured in the secondary utilization culture pond, shellfish for biologically absorbing nutrient substances in tail water is sowed at the bottom of the secondary utilization culture pond, gracilaria for absorbing the nutrient substances in the tail water by plants is transplanted in the secondary utilization culture pond, and salt-tolerant plants for absorbing the nutrient substances in the tail water by the plants are planted at the edge of the secondary utilization culture pond;
shellfish for biologically absorbing nutrient substances in tail water are sowed on the upper part and the bottom of the tail water collecting channel, and aquatic salt-tolerant plants for plants to absorb nutrient substances in the tail water are planted in the tail water collecting channel.
Preferably, the salt-tolerant plant is purslane.
Preferably, the planting area of the purslane in the tail water collecting channel accounts for 15% of the area of the tail water collecting channel.
Preferably, the sedimentation treatment tank is communicated with the secondary utilization culture tank through a water channel, a booster pump is arranged in the water channel, and the inlet end of the water channel is also communicated with seawater.
Preferably, the shrimp comprises penaeus chinensis, the crab comprises swimming crab, the fish comprises puffer fish, and the shellfish comprises clam.
The treatment method based on the fisherman combined type industrial aquaculture tail water treatment system comprises the following steps:
s1, collecting the industrial aquaculture tail water, feeding the industrial aquaculture tail water into a sedimentation treatment tank, and removing particulate matters through natural physical sedimentation;
s2, pumping water in the sedimentation treatment tank into a water channel;
s3, enabling the precipitated tail water and seawater to enter a secondary utilization culture pond through a water channel, secondarily utilizing the factory culture tail water to culture fishes, shrimps and crabs, and reducing the eutrophication degree of the water body by utilizing the filter feeding effect of shellfish at the bottom of the pond; carrying out plant absorption on the water body by utilizing the gracilaria transplanted in the pond; absorbing pollutants by using portulaca oleracea planted beside a pond;
s4, enabling the tail water treated by the secondary utilization culture pond to enter a tail water collecting channel, and biologically absorbing nutrient substances in the factory culture tail water by utilizing the suspended oysters and the shellfishes at the bottom of the pond; the purslane planted on the surface of the canal water is used for absorbing nutrient substances in the factory culture tail water by plants;
s5, discharging the tail water treated by the tail water collecting channel into the sea after reaching the standard.
Therefore, the fisherman composite industrial aquaculture tail water treatment system adopting the structure increases the yield of fishes and shrimps, simultaneously discharges the treated seawater quality up to the standard, realizes the comprehensive and efficient utilization and purification of industrial aquaculture tail water, and effectively solves the harmful influence of organic matters, ammonia nitrogen, suspended matters, COD and the like in the aquaculture tail water on the ecological environment of offshore sea areas.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a graph showing the results of treatment of nitrogen, phosphorus, ammonia nitrogen and permanganate in the industrial aquaculture tail water;
FIG. 2 is a graph showing the results of treatment of phosphate, nitrite and nitrate in the tail water of industrial aquaculture.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
FIG. 1 is a graph showing the results of treatment of nitrogen, phosphorus, ammonia nitrogen and permanganate in the industrial aquaculture tail water; fig. 2 is a graph showing the treatment results of phosphate, nitrite and nitrate in the tail water of industrial aquaculture, as shown in fig. 1 and 2, the structure of the invention comprises a sedimentation treatment tank, a secondary utilization culture tank and a tail water collection channel which are sequentially arranged along the treatment direction of the tail water of industrial aquaculture, and the tail water treated by the tail water collection channel is discharged into the sea through a water outlet;
one of fish, shrimp and crab and any combination thereof are cultured in the secondary utilization culture pond, shellfish for biologically absorbing nutrient substances in tail water is sowed at the bottom of the secondary utilization culture pond, gracilaria for plants to absorb nutrient substances in the tail water is transplanted in the secondary utilization culture pond, and salt-tolerant plants for plants to absorb nutrient substances in the tail water are planted at the side of the secondary utilization culture pond.
Preferably, the pond wall and the pond bottom of tail water collecting channel are respectively cultivated with oyster and shellfish for biologically absorbing nutrient substances in the tail water.
Preferably, salt-tolerant plants for absorbing nutrient substances in the tail water by the plants are planted on the surface of the water body in the tail water collecting channel.
Preferably, the salt-tolerant plant is purslane.
Preferably, the planting area of the purslane in the tail water collecting channel accounts for 15% of the area of the tail water collecting channel.
Preferably, the sedimentation treatment tank is communicated with the secondary utilization culture tank through a water channel, a booster pump is arranged in the water channel, and the inlet end of the water channel is also communicated with seawater.
Preferably, the shrimp comprises penaeus chinensis, the crab comprises swimming crab, the fish comprises puffer fish, and the shellfish comprises clam.
The treatment method based on the fisherman combined type industrial aquaculture tail water treatment system comprises the following steps:
s1, collecting the industrial aquaculture tail water, feeding the industrial aquaculture tail water into a sedimentation treatment tank, and removing particulate matters through natural physical sedimentation;
s2, pumping water in the sedimentation treatment tank into a water channel;
s3, enabling the precipitated tail water and seawater to enter a secondary utilization culture pond through a water channel, secondarily utilizing the factory culture tail water to culture fishes, shrimps and crabs, and reducing the eutrophication degree of the water body by utilizing the filter feeding effect of shellfish at the bottom of the pond; carrying out plant absorption on the water body by utilizing the gracilaria transplanted in the pond; absorbing pollutants by using portulaca oleracea planted beside a pond;
s4, enabling the tail water treated by the secondary utilization culture pond to enter a tail water collecting channel, and biologically absorbing nutrient substances in the factory culture tail water by utilizing the suspended oysters and the shellfishes at the bottom of the pond; the purslane planted on the surface of the canal water is used for absorbing nutrient substances in the factory culture tail water by plants;
s5, discharging the tail water treated by the tail water collecting channel into the sea after reaching the standard.
During a cultivation period of 7-10 months in 2021, the water is collected from 4 collection places of tail water, water channels, ponds and water outlets of the collection channels of the factory workshop of the innovative mode of 'bait manure cleaning and resource utilization' fisherman composite breeding tail water discharge reaching the standard in factory traditional cultivation of aquaculture limited companies in Tangshan city Cao Fei Dian, and the total nitrogen, total phosphorus, ammonia nitrogen, phosphate, nitrite, nitrate and permanganate indexes are monitored. The detection results are as follows:
table 1 shows the water quality index detection results of the compound aquaculture tail water treatment mode
As can be seen from Table 1, the nutrient substances in the tail water treated by the method are greatly reduced, the water quality of the treated tail water is superior to the limit value specified in GB 11607 fishery water quality standard, the GB 3097 class II water quality standard and GB 3838 class III water quality standard, and finally the standard discharge of the aquaculture tail water is realized.
Table 2 shows the comparative table of the increase in yield per mu between the compound-culture tail water treatment mode of fishermen and the tail water treatment mode of direct discharge into the sea
As can be seen from Table 2, the aquaculture tail water enters the seawater pond to develop multi-variety ecological polyculture of prawns, swimming crabs and the like, the aquaculture eutrophication tail water is discharged into the pond for secondary utilization, the yield of the aquaculture of fish and shrimp is increased by over 15.5kg per mu in the year, the yield of the aquaculture of swimming crabs is increased by over 10.2kg per mu, the yield of the aquaculture of blowfish is increased by over 5.8kg per mu, and the increase of the profit per mu is over 3000 yuan.
The purpose of the invention is as follows:
firstly, aiming at the problems existing in the prior art of industrial aquaculture and the current situation of the traditional industrial aquaculture in China, the problems of the discharge of aquaculture tail water, the accumulation of residual bait and excrement and the like are solved, the technologies such as resource utilization and salt-tolerant plant planting are integrated, a new fisherman compound breeding mode based on the traditional industrial aquaculture of 'bait and excrement cleaning and resource utilization' is constructed, a new compound breeding mode such as 'industrial aquaculture-salt-tolerant plant planting-fish, shrimp and shellfish pond breeding' is developed, and the treated seawater quality reaches the standard and is discharged while the yield of fish and shrimp is increased. The comprehensive and efficient purification of the aquaculture tail water is realized, the mode is practical and feasible, and the toxic and harmful substances which are influenced by organic matters, ammonia nitrogen, suspended matters, COD (chemical oxygen demand) and the like in the aquaculture tail water of the seawater pond and are applied to the ecological environment of the sea area can be effectively solved.
And secondly, collecting the tail water of the factory culture, allowing the tail water to enter a precipitation treatment tank for physical precipitation, allowing the tail water to enter a seawater culture pond, implementing multi-variety ecological polyculture of prawns and portunus trituberculatus in the seawater culture pond, discharging the tail water of the factory culture into the pond for secondary utilization, culturing fishes and shrimps, increasing the yield of the prawns by more than 15kg per mu, increasing the yield of the portunus trituberculatus by more than 10kg per mu, increasing the yield of globefish by more than 5.8kg per mu, and increasing the benefit per mu by more than 3000 yuan. Transplanting gracilaria in the pond for plant absorption, sowing shellfish at the bottom of the pond for biological absorption, planting salt-tolerant plants at the side of the pond, and performing the absorption of the plants on pollutants; feeding tail water of a seawater culture pond into a tail water collecting channel, and carrying out biological absorption on nutrient substances in the tail water by hanging and culturing oysters in the channel, sowing shellfish at the bottom of the channel, planting purslane and other plants in the channel; after biological absorption and plant absorption, the culture tail water in the tail water collecting channel reaches the limit value regulated by GB 11607 fishery water quality standard, and the index not regulated by GB 11607 fishery water quality standard is superior to GB 3097 class II water quality standard and GB 3838 class III water quality standard, and finally the standard discharge of the culture tail water is realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a fisherman combined type batch culture tail water processing system which characterized in that: comprises a sedimentation treatment tank, a secondary utilization culture tank and a tail water collecting channel which are sequentially arranged along the treatment direction of the tail water of the factory culture. Tail water treated by the tail water collecting channel is discharged into the sea through a water outlet;
one or any combination of fishes, shrimps and crabs is cultured in the secondary utilization culture pond, shellfish for biologically absorbing nutrient substances in tail water is sowed at the bottom of the secondary utilization culture pond, gracilaria for absorbing the nutrient substances in the tail water by plants is transplanted in the secondary utilization culture pond, and salt-tolerant plants for absorbing the nutrient substances in the tail water by the plants are planted at the edge of the secondary utilization culture pond;
shellfish for biologically absorbing nutrient substances in tail water are sowed on the upper part and the bottom of the tail water collecting channel, and aquatic salt-tolerant plants for plants to absorb nutrient substances in the tail water are planted in the tail water collecting channel.
2. The fisherman composite industrial aquaculture tail water treatment system according to claim 1, wherein: the salt-tolerant plant is purslane.
3. The fisherman composite industrial aquaculture tail water treatment system according to claim 2, wherein: the planting area of the purslane in the tail water collecting channel accounts for 15% of the area of the tail water collecting channel.
4. The fisherman composite industrial aquaculture tail water treatment system according to claim 1, wherein: the sedimentation treatment pond through the ditch with the pond intercommunication is bred in the reutilization, be provided with the booster pump in the ditch, the entry end of ditch still communicates with the sea water.
5. The fisherman composite industrial aquaculture tail water treatment system according to claim 1, wherein: the shrimp comprises a penaeus chinensis, the crab comprises a swimming crab, the fish comprises a puffer fish, and the shellfish comprises ruditapes philippinarum.
6. A treatment method of a fisherman combined type industrial aquaculture tail water treatment system based on any one of the claims 1-5 is characterized in that: the method comprises the following steps:
s1, collecting the industrial aquaculture tail water, feeding the industrial aquaculture tail water into a sedimentation treatment tank, and removing particulate matters through natural physical sedimentation;
s2, pumping water in the sedimentation treatment tank into a water channel;
s3, feeding the precipitated tail water and seawater into a secondary utilization culture pond through a water inlet channel, and secondarily utilizing the factory culture tail water to culture fishes, shrimps and crabs, and simultaneously reducing the eutrophication degree of the water body by utilizing the filter feeding effect of shellfish at the bottom of the pond; carrying out plant absorption on the water body by utilizing the gracilaria transplanted in the pond; absorbing pollutants by using portulaca oleracea planted beside a pond;
s4, enabling the tail water treated by the secondary utilization culture pond to enter a tail water collecting channel, and biologically absorbing nutrient substances in the factory culture tail water by utilizing the suspended oysters and the shellfishes at the bottom of the pond; the purslane planted on the surface of the canal water is used for absorbing nutrient substances in the factory culture tail water by plants;
s5, discharging the tail water treated by the tail water collecting channel into the sea after reaching the standard.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620905A (en) * | 2022-04-12 | 2022-06-14 | 潍坊新力蒙水产技术有限公司 | Multi-level multi-animal and plant ecological chain treatment system for tail water of land-based mariculture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5820759A (en) * | 1996-10-09 | 1998-10-13 | Mfm Environmental Co. | Integrated aquaculture and bioremediation system and method |
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