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Water treatment method of circulating water fish culture in factory style

A technology for circulating water and water treatment, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. It can solve the problems of expensive facilities and equipment, waste of groundwater resources, and marine environmental pollution. , to achieve the effect of good disinfection, more fish feeding, and cutting off the source of disease

Inactive Publication Date: 2004-11-17
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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Problems solved by technology

Foreign fishery developed countries (especially Western European countries) have relatively advanced industrial fish farming technology, but the facilities and equipment are expensive and not suitable for my country's national conditions
However, most of the current seawater factory fish farming in my country is an open-water fish farming model, which consumes a lot of energy and wastes groundwater resources, and because the water used for fish farming is directly discharged into the sea, it causes pollution to the marine environment

Method used

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  • Water treatment method of circulating water fish culture in factory style

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Embodiment Construction

[0018] Such as figure 1 As shown, the water coming out of the fish pond 09 first flows into the fully automatic pipeline filter 01 to remove solid particles and suspended matter; the water outlet of the fully automatic pipeline filter 01 is pumped to the water inlet of the foam separation tank 02 with a circulating water pump, and at the same time Add appropriate amount of air and ozone to the pool to remove excessive CO in the water 2 And protein foam; the water from the foam separation tank 02 flows into the first-level biological purification tank 03, and the water from the first-level biological purification tank 03 flows into the second-level biological purification tank 04. There are different types of biological purification tanks in the first and second-level biological purification tanks. Purification fillers to reduce ammonia nitrogen in the water; the water from the secondary biological purification tank 04 flows into the water temperature and pH adjustment tank 05,...

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Abstract

The invention discloses a seawater factory-style circulating water fish farming treatment method which comprises, removing the residual bait and excrement from the seawater flowing out of the fish pond through full-automatic conduit pipe filter apparatus, entering foam separate tank from the circulating pump to remove part of the suspended matter and protein, then removing ammonia nitrogen through biological cleaning tank, adjusting water temperature and pH, disinfecting through ultraviolet rays, oxygenation, charging the detected water into the fish pond again, thus completing a circulation.

Description

technical field [0001] The invention belongs to circulating water fish farming technology, in particular to a factory-like circulating water fish farming water treatment method. Background technique [0002] Seawater industrial circulating water fish farming uses certain facilities and equipment to continuously recycle the water used for fish farming, thereby not only ensuring high and stable production of commercial fish throughout the year, but also achieving the purpose of saving water, energy and protecting the marine environment. Foreign fishery developed countries (especially Western European countries) have relatively advanced industrial fish farming technology, but their facilities and equipment are expensive and are not suitable for my country's national conditions. However, most of the current seawater factory fish farming in my country is an open-water fish farming model, which consumes a lot of energy, wastes groundwater resources, and causes pollution to the mar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00C02F9/02C02F9/14
CPCY02A40/81Y02W10/10
Inventor 曲克明宋德敬马绍赛薛正锐杜守恩王秉心
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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