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Batch-type factory-like recirculating aquaculture method

A circulating aquaculture and industrialization technology, applied in fish farming, application, animal husbandry, etc., can solve the problems of low removal efficiency of the biological filtration system, small number of microorganisms in the biological reaction tank, and small effect of the biological reaction tank, etc., to achieve The effect of reducing breeding costs, reducing energy consumption, and improving utilization efficiency

Active Publication Date: 2019-02-12
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
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AI Technical Summary

Problems solved by technology

The short hydraulic retention time leads to a small number of microorganisms in the bioreactor and low removal efficiency of the biofiltration system
Therefore, the removal of pollutants in the current industrialized recirculating aquaculture system mainly relies on mechanical filtration to remove large solid matter and fine organic matter, while the role of biological reaction tanks in the water treatment system is relatively small

Method used

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  • Batch-type factory-like recirculating aquaculture method

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Embodiment Construction

[0020] refer to figure 1 , the present invention is a kind of batch-type factory-like circulating aquaculture method, comprising a water storage tank 1, a culture tank 2, a primary reaction tank 3 and a secondary reaction tank 4 connected in series to form a loop;

[0021] Also includes the following steps:

[0022] 1) The culture pond 2 drains water to the primary reaction tank 3, and when the culture pond 2 drains water to the primary reaction pond 3, the water storage tank 1 supplies water to the culture pond 2 to maintain a constant water level in the culture pond 2;

[0023] 2) When the culture pond 2 drains into the primary reaction pool 3, the primary reaction pool 3 drains into the secondary reaction pool 4, and when the water levels in the primary reaction pool 3 and the secondary reaction pool 4 reach the set height, The culture pond 2 and the primary reaction pond 3 stop draining, and the primary reaction pond 3 and the secondary reaction pond 4 simultaneously proc...

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Abstract

The invention discloses a batch-type factory-like recirculating aquaculture method, and belongs to the field of aquaculture. An impounding reservoir, a culture pond, a first-stage reaction tank and asecond-stage reaction tank which are connected in series to form a loop are arranged, and a biochemical reaction of aquaculture water of different kinds of water quality can be achieved; after the aquaculture water generated after second-stage reaction tank purification is completed is drained, the biochemical reaction is still kept in the first-stage reaction tank, enough microorganisms are cultured for next circulation, and the treatment time of a first-stage treatment tank is prolonged; the utilization efficiency of the microorganisms on nutrient substances in the water is improved, energyconsumption needed by continuous circulation of the water is reduced, and the culture cost is reduced.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to an intermittent industrialized circulating aquaculture method. Background technique [0002] Most of the existing industrial recirculating aquaculture systems are in a 24-hour continuous operation mode, and the number of water cycles per day can reach 20 times. In this mode of operation, the hydraulic retention time of the bioreactor is very short, most of which do not exceed one hour. The short hydraulic retention time leads to the small number of microorganisms in the bioreactor and the low removal efficiency of the biofiltration system. Therefore, the removal of pollutants in the current industrialized recirculating aquaculture system mainly relies on mechanical filtration to remove large particles of solid matter and fine organic matter, while the role of biological reaction tanks in the water treatment system is relatively small. The biochemical reaction in the bioreactor plays ...

Claims

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Application Information

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IPC IPC(8): A01K63/04
CPCA01K63/04A01K63/042
Inventor 李华田道贺张家松刘青松周子明董宏标段亚飞
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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