Water environment regulation and recirculating aquaculture system for high-load aquaculture
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A recirculating aquaculture and aquaculture technology, applied in the field of aquaculture, can solve problems such as environmental pollution, achieve low energy consumption, ensure sustainable development, and have strong purification capabilities
Active Publication Date: 2021-06-18
JIANGSU ACAD OF AGRI SCI
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[0003] The present invention is aimed at the defects of high-density aquaculture that is prone to fish fry disease and environmental pollution, and proposes a water environment regulation system for aquaculture. By regulating the water environment of high-density aquaculture, it can reduce fish fry diseases, improve water quality and aquaculture tail water The purpose of purification recycling and pollutant emission reduction
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[0023] In this embodiment, the following systems are used to regulate the high-density aquaculture water environment:
[0024] Water environment regulation and circulating aquaculture system for high-load aquaculture. The system is connected with high-density aquaculture ponds. The system includes 5 processing units, which are residual bait, feces sedimentation suction unit, aerobic and anaerobic Biofilm degradation unit, aquatic plant purification unit, pathogen killing unit and circulating water unit; residual bait and feces sedimentation suction unit contains a funnel-shaped sedimentation tank, and the pool structure of the sedimentation tank is brick-concrete pool, iron pool, plastic pool Or earth pond slope protection, the height of the pond body is 0.1m-10m, the size of the upper opening is 1m-200m, and the diameter of the lower opening is 0.1m-20m; the middle and upper part of the pool wall is provided with drainage outlets, and the number of uniform distribution on the ...
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Abstract
The invention relates to a water environment regulation and control system, in particular to a water environment regulation and circulation aquaculture system for high-load aquaculture, and belongs to the technical field of aquaculture. The main functional units of the system package of the present invention include: centrifugal residual bait, feces sedimentation, aerobic and anaerobic biofilm degradation, three-stage enhanced purification of aquatic plants, pathogenic bacteria killing, water circulation equipment and other functional units. It can well solve key technical problems such as self-water quality deterioration and environmental pollution in the process of high-density aquaculture. Sustainably and quickly remove feed residues, feces, ammonia nitrogen, nitrite nitrogen, total nitrogen, total phosphorus, COD and particulate matter, pathogenic microorganisms, fish drug residues, hormones, etc. in aquaculture water bodies, and at the same time realize the recycling of aquaculture tail water; It can be used for high-density factory culture, factory pond culture and ordinary pond culture, and can be applied to different culture densities. It has many advantages such as high efficiency, no pollution, strong purification ability, quick effect, etc., which can ensure the sustainable development of aquaculture industry.
Description
technical field [0001] The invention relates to a water environment regulation and control system, in particular to a water environment regulation and circulation aquaculture system for high-load aquaculture, and belongs to the technical field of aquaculture. Background technique [0002] China's aquaculture production accounts for about 70% of the world's total, and the development of intensive high-density aquaculture technology will play an important role in the future aquaculture industry. The use of lakes, reservoirs, and river ditches to develop high-density freshwater fish farming has great potential, and the water environment for aquaculture is a key issue, not only related to the quality and safety of aquaculture products, economic benefits, but also related to the national water environment. Traditional aquaculture is at the expense of the environment, which not only affects the internal environment of the aquaculture water body, but also pollutes the external envi...
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