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Internal circulation fishpond and circulating water treatment process

A technology of internal circulation and fish ponds, which is applied in fish farming, application, animal husbandry, etc., can solve the problems of complex grading fishing operations, complex pipeline layout, and low utilization rate of land area, so as to achieve low investment and reduce processing load The effect of reducing water pump energy consumption

Inactive Publication Date: 2013-06-12
FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages are: large number of equipment, large investment in equipment, low land utilization rate, complex pipeline setting, and inconvenient operation and management
[0007] Circular fish ponds or fish ponds with cut corners are generally used in the high-density culture of the existing industrial circulating water, which has the disadvantages of low utilization rate of land area, small effective culture water body, complicated grading fishing operation, and high labor intensity.

Method used

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  • Internal circulation fishpond and circulating water treatment process
  • Internal circulation fishpond and circulating water treatment process
  • Internal circulation fishpond and circulating water treatment process

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Embodiment 1

[0045] In the prior art, the water treatment process of centralized and decentralized farming is as follows: figure 1 . The decentralized water treatment process is that the water in a single fish pond is pumped out, and then returned to the fish pond after successively undergoing physical filtration, biological filtration, degassing, sterilization and oxygenation.

[0046] The centralized water treatment process is: the water in multiple fish ponds (fish ponds I, II, II) is pumped out and collected together, and then returned to each fish pond after successively undergoing physical filtration, biological filtration, degassing, sterilization and oxygenation.

[0047] Inner circulation fishpond of the present invention is:

[0048] Such as image 3 As shown, the structure of the inner circulation fish pond (fish pond I) includes a central fish pond 15. The shape of the central fish pond is an octagon with four cut corners. , the long side of the outer wall b, the short side ...

Embodiment 2

[0067] Such as Image 6 As shown, the central fish pond is a circle, and the rectangle circumscribed by the central fish pond has four corners. A sedimentation system is set on one of the corners, and the structure and working principle of the sedimentation system are the same as those in Embodiment 1.

[0068] An internal circulation system is set on the remaining three corners, and the structure and working principle of the internal circulation system are the same as in Embodiment 1.

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Abstract

The invention relates to the technical field of aquaculture, and discloses an internal circulation fishpond and a circulating water treatment process. According to the internal circulation fishpond and the circulating water treatment process, an air striping device, a physical filtration device and a biological filtration device are arranged in vacant regions, such as corners of the fishponds; multiple functions, such as plug flow, oxygenation, degassing, solid filtration and biological filtration, are integrated in the design of the fishpond; through arranging an air stripping pump, a moving bed biofilter and a vertical flow precipitator and the like, the water treatment function of the fishpond is perfected and enhanced, and the fishpond has the functions of oxygenation, degassing, physical filtration and biological filtration; the circulating speed of a water body is reduced while the solid utilization rate is improved; through reducing the treatment load amount of a water treatment system, the circulating speed of the water body and the operating energy consumption of a circulating water pump are reduced.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to an internal circulating fish pond and a treatment process for circulating water in the fish pond. Background technique [0002] Flowing water fish ponds are often round, oval, rectangular, square-cut, octagonal, etc. Different fish pond shapes have their own advantages and disadvantages. The cost of the circular pool is high, the effect of water exchange and pollution discharge is good, and the production per unit of water is high, but the operation is inconvenient and the land utilization rate is low; the cost of the rectangular pool is low, the land utilization rate is high, and the operation is convenient, but the water exchange and Sewage discharge is not ideal; rectangular cut corners and octagonal pools have low cost, good water exchange and sewage discharge, and easy operation, but low land utilization. [0003] As a habitat for fish farming, fish ponds have more func...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K63/04
Inventor 宋奔奔单建军宿墨顾川川
Owner FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
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