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Aquiculture waste water circulating treatment system

A technology for aquaculture and wastewater recycling, which is applied in fish farming, application, animal husbandry, etc. It can solve the problems that organic matter cannot be completely decomposed, does not meet the requirements of aquaculture, and water pollution, so as to improve the effect of oxygenation, improve the effect of treatment, The effect of increasing the amount of absorption

Active Publication Date: 2014-01-01
ZHEJIANG OCEAN UNIV
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AI Technical Summary

Problems solved by technology

The modern aquaculture industry is becoming more and more intensive. The use of a large amount of feed, fertilizers and chemicals has brought enormous pressure to the aquaculture water body, exceeding the metabolic capacity of the natural purification ecosystem on which general aquaculture relies, resulting in a large number of Organic matter cannot be completely decomposed, causing water pollution
The traditional water treatment method is to inject fresh water after the aquaculture wastewater is completely discharged. This treatment method is extensive and does not meet the requirements of modern aquaculture.

Method used

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  • Aquiculture waste water circulating treatment system
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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] As shown in the figure, the aquaculture wastewater circulation treatment system includes an array of aquaculture ponds 1, and the array of aquaculture ponds 1 is sequentially connected to a three-stage sedimentation pond 2, an algae purification pond 3, a biofilm treatment pond 4, two Level sedimentation tank 5, disinfection tank 6, filter tank 7 and aeration tank 8, and the water body in the aquaculture pool array 1 is circulated through the water pumps arranged between the above-mentioned pools.

[0026] The three-step sedimentation tank 2 includes three pools arranged in steps, and its main function is to precipitate heavy substances in the waste water.

[0027] The algae purification pool 3 is divided into zigzagging water channels by a set of partition walls 301, and the water channels are all provided with algae fixing frames to prevent algae from floating...

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Abstract

The invention relates to an aquiculture waste water circulating treatment system and belongs to the technical field of culture waste water treatment. The aquiculture waste water circulating treatment system comprises an aquiculture pond array, wherein the aquiculture pond array is sequentially circularly connected with a three-stage stepped sedimentation pond, an alga purification pond, a biological membrane treatment pond, a secondary sedimentation pond, a disinfection pond, a filter pond and an aerobic pond through pipelines; a water body inside the aquiculture pond array circulates through water pumps arranged among the ponds. The aquiculture waste water circulating treatment system disclosed by the invention is simple in structure and reasonable in design, can be used for sequentially treating the aquiculture waste water through the three-stage stepped sedimentation pond, the alga purification pond, the biological membrane treatment pond, the secondary sedimentation pond, the disinfection pond, the filter pond and the aerobic pond, is easy and quick to operate and has good treatment effect; moreover, the water body treated by the system can finally reach the requirement of aquiculture.

Description

technical field [0001] The invention belongs to the technical field of aquaculture wastewater treatment, and in particular relates to an aquaculture wastewater circulation treatment system. Background technique [0002] Aquaculture is currently an important part of agricultural production. The modern aquaculture industry is becoming more and more intensive. The use of a large amount of feed, fertilizers and chemicals has brought enormous pressure to the aquaculture water body, exceeding the metabolic capacity of the natural purification ecosystem on which general aquaculture relies, resulting in a large number of Organic matter cannot be completely decomposed, causing water pollution. The traditional water treatment method is to inject fresh water after the aquaculture wastewater is completely discharged. This treatment method is extensive and does not meet the requirements of modern aquaculture. Contents of the invention [0003] Aiming at the problems existing in the p...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K63/04
Inventor 吴常文尚晓明徐佳晶
Owner ZHEJIANG OCEAN UNIV
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