Integrated breeding tail water purification device

By designing a multi-dividing plate aquaculture tail water purification device, the microbial decomposition process of anaerobic and aerobic zones is used to solve the problem of nitrogen, phosphorus and carbon-nitrogen imbalance in the aquaculture tail water, achieving efficient water quality improvement and fish and shrimp Health protection.

CN222274264UActive Publication Date: 2024-12-31NORMAL UNIV (QINGYUAN) ENVIRONMENTAL REMEDIATION TECH CO LTD
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Patent Information

Application Number
CN202420037380.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-05
Publication Date
2024-12-31
Estimated Expiration
2034-01-05

AI Technical Summary

Technical Problem

The nitrogen, phosphorus and other elements and organic debris in the breeding tail water exceed the self-purification degradation capacity of normal microorganisms in the water, resulting in hypoxia in the water, destroying nitrification, reducing the resistance of fish and shrimps to disease, and the process of nitrification and denitrification of microorganisms is limited by insufficient carbon sources, resulting in The biological nitrogen removal effect is not ideal.

Method used

An integrated aquaculture tail water purification device is designed, including multiple partitions separated by partitions, namely the inlet area, the crude filter area, the fine filter area, the anaerobic area and the aerobic area, which are removed through the filtration and decomposition process of different areas. Organic substances and nitrates, using iron-sulfur ore autotrophic denitrifying bacteria and aerobic microorganisms to achieve more effective sewage treatment.

Benefits of technology

Effectively remove organic substances and nitrates in the aquaculture tail water, improve water quality, improve biological nitrogen removal effect, realize efficient purification and recycling of water bodies, and meet the "Fishing Industry Water Quality Standards".

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Abstract

The utility model discloses an integrated aquaculture tail water purification device which comprises a purification shell, the purification shell is divided into a plurality of areas by a plurality of partition plates, and the plurality of areas are respectively a water inlet area, a rough filtration area, a fine filtration area, an anaerobic area, an aerobic area and a water outlet area. Breeding tail water enters the water inlet area, then enters the rough filtration area and the fine filtration area in sequence, enters the anaerobic area after staying for 0.5 h in the fine filtration area, enters the aerobic area after staying for 0.5 h in the anaerobic area, and is discharged after passing through the water outlet area after staying for 1 h in the aerobic area. The device disclosed by the utility model is relatively small in size, capable of integrally treating aquaculture tail water pollution, high in treatment efficiency and capable of enabling the quality of the treated aquaculture tail water to reach the fishery water quality standard (GB 11607-1989).
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