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Shrimp larva raising sewage treatment system

A sewage treatment system and shrimp fry technology, applied in the field of shrimp fry seedling sewage treatment system, can solve the problems of direct sewage discharge, failure to meet national discharge standards, pollution, etc., and achieve the effects of high-efficiency purification treatment and simple structure

Inactive Publication Date: 2013-01-16
TIANJIN SHENGYI CULTURE
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  • Abstract
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Problems solved by technology

[0002] The sewage discharged from the shrimp nursery pond has high organic matter and bacterial content. If the sewage is discharged directly into the sea area, on the one hand, it will pollute the seawater in the surrounding sea area, reduce the quality of the seawater drawn, and increase the chance of cross-infection of diseases; on the other hand, the sewage Direct discharge, not up to the national discharge standard

Method used

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  • Shrimp larva raising sewage treatment system

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Embodiment Construction

[0011] The present invention will be described in detail below with reference to the drawings.

[0012] See figure 1 , A sewage treatment system for shrimp larvae nursery, comprising: a breeding sewage tank 1, an aeration tank 2 and a sedimentation tank 3; the discharge port of the breeding sewage tank 1 is connected to the corresponding outlet of the aeration tank 2 through a discharge pipe , The discharge port of the aeration tank 2 is connected to the sedimentation tank 3 through a pipe; the activated sludge discharge port of the sedimentation tank 3 and the corresponding discharge port of the aeration tank 2 are connected through a return pipe.

[0013] Wherein, the upper part of the sedimentation tank is provided with a clarified water overflow port.

[0014] An aeration device is provided in the aeration tank.

[0015] Stop valves are provided on the pipelines.

[0016] When the system is running, the sewage to be treated and the returned activated sludge stored in the breeding ...

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Abstract

The invention discloses a shrimp larva raising sewage treatment system, which includes a culture sewage pool, an aeration pool and a sedimentation pool. The discharge outlet of the culture sewage pool is communicated with a corresponding inlet of the aeration pool through a discharge pipeline. The discharge outlet of the aeration pool is connected to the sedimentation pool through a pipeline. The activated sludge discharge outlet of the sedimentation pool is communicated with a corresponding inlet of the aeration pool through a reflux pipeline. The system disclosed in the invention has the advantages of simple structure and no pollution, and can realize high efficiency purification treatment on shrimp larva raising pool sewage.

Description

Technical field [0001] The invention relates to a sewage treatment system for shrimp seedling nursery. Background technique [0002] The sewage discharged from the shrimp nursery pond has high organic matter and bacteria content. If the sewage is directly discharged into the sea, on the one hand, it will pollute the seawater in the surrounding sea area, reduce the quality of the seawater drawn, and increase the chance of mutual infection of diseases; on the other hand, sewage Direct emissions do not meet the national emission standards. Summary of the invention [0003] The purpose of the present invention is to provide a sewage treatment system for shrimp seedling nursery, which can effectively purify the sewage from the shrimp nursery pond. [0004] The present invention is realized as follows: [0005] A sewage treatment system for shrimp seedling nursery, comprising: a breeding sewage tank, an aeration tank, and a sedimentation tank; the discharge port of the breeding sewage tan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/12
CPCY02W10/10
Inventor 李玉生
Owner TIANJIN SHENGYI CULTURE
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