Stepped zero-emission breeding system for penaeus vannamei boone

An aquaculture system and zero-emission technology, applied in the field of aquaculture and water environmental protection, can solve the problems of restricting the development of aquaculture industry, environmental pollution and economic constraints, and deterioration of aquaculture water quality, and achieve the goal of being beneficial to aquaculture management, construction and structure. compact effect

Inactive Publication Date: 2016-06-08
CHONGQING UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, with the expansion of Penaeus vannamei aquaculture scale and the improvement of aquaculture density, problems such as environmental pollution and economic constraints are becoming more and more serious, which greatly limits the development of aquaculture industry.
Especially in the intensive aquaculture process, a large amount of residual bait and feces are discharged into the aquaculture water body, causing the rapid accumulation of toxic substances such as ammonia nitrogen, resulting in the deterioration of the aquaculture water quality and potential environmental pollution.

Method used

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Embodiment 1

[0017] Embodiment 1 Construction of stepped zero-discharge Penaeus vannamei culture system

[0018] (1) The construction of the stepped zero-discharge Penaeus vannamei culture system can be carried out on a site with a natural slope or a flat site.

[0019] (2) Determine the construction site of the stepped zero-discharge Penaeus vannamei culture system, as well as the diameters of the inner pond, middle pond and outer pond, and determine the elevation of the bottom of the pond and the overflow weir. The pond is 0.5 meters higher than the middle pond, and the middle pond is 0.5 meters higher than the outer pond; secondly, draw the construction drawings and construct according to the drawings; thirdly, carry out the construction of the stepped zero-discharge Penaeus vannamei farming system. And outside the order, the construction method is pouring on site. During the construction process, keep the slope of the bottom of the inner pool at 5%, and complete the simultaneous const...

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Abstract

The invention relates to a stepped zero-emission breeding system for penaeus vannamei boone. The system is composed of an inner pond (1), a middle pond (2), an outer pond (3), a vertical flow sedimentation pond (9), a sludge sump (6), a filtering and disinfecting system (15) and a purifying reservoir (11). The inner pond (1), the middle pond (2) and the outer pond (3) are of a concentric circle structure, and the area ratio of the inner pond (1) to the middle pond (2) to the outer pond is 1:3:9; the weir bottom elevations of overflow weirs (10) of the inner pond (1), the middle pond (2) and the outer pond (3) are 3.0 m, 2.5 m and 2.0 m respectively; the elevations of the edge bottom of the inner pond (1), the bottom of the middle pond (2) and the bottom of the outer pond (3) are 2.2 m, 1.0 m and 0.0 m respectively. The inner pond (1) is 0.8 m deep, and the diameter is 5-10 m; the middle pond (2) is 1.5 m deep, and the diameter is 10-20 m; the outer pond (3) is 2.0 m deep, and the diameter is 18-36 m. The stepped zero-emission breeding system has the following main advantages that penaeus vannamei boone in different breeding stages is bred at high density in different ponds; water purifying capacity is high, and the drainage rate is low.

Description

technical field [0001] The patent of the invention belongs to the technical field of aquaculture and water environment protection, and specifically relates to industrialized circulating aquaculture of Penaeus vannamei, and is especially suitable for industrialized aquaculture of Penaeus vannamei in high-density circulating water in inland areas. Background technique [0002] Penaeus vannamei has delicious meat, high processed meat, and wide temperature range. It can grow at 18-32°C and at a salinity of 1-40‰. It is an excellent desalinated cultured species. Penaeus vannamei grows fast and has strong disease resistance. It has gradually become the main cultured shrimp species in my country. [0003] However, with the expansion of Penaeus vannamei aquaculture scale and the improvement of aquaculture density, problems such as environmental pollution and economic constraints are becoming more and more serious, which greatly restricts the development of aquaculture industry. Esp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K63/04
CPCA01K63/04
Inventor 于芳于慧王书敏
Owner CHONGQING UNIV OF ARTS & SCI
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