Internal circulation breeding system

A culture system and recirculating culture technology, applied to the field of internal recirculating culture system, can solve the problems of low drainage, large drainage in aquaculture system, easy sinking of fecal particles, etc., and achieve the effect of reducing water discharge.

Pending Publication Date: 2021-11-02
福建省水产技术推广总站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of large drainage in the existing breeding system, and design an internal circulation breeding system with

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0042] Example 1

[0043] like image 3 As shown: The discharge device opening is disposed at the lower recess and the sewage conduit 31 communicating with the outside, and a switching mechanism is provided on the sewage conduit 31. The switching mechanism here can be implemented using a common intubation or solenoid valve.

[0044] like Figure 5 , 6 , 7: Recovered portion can be located in the middle of the bottom surface of the precipitation tank 3, or may be located close to the side of the side edge of the sediment, or when necessary, it can be directly located close to the angle The place.

Example Embodiment

[0045] Example 2

[0046] The sewage apparatus extends from the sedimentation tank 3 to the lower recess from the precipitated tank 3, and the other end of the drain pipe 32 extends to the outside. In addition, the purity of dirt can be carried out by the principle of iris. The introduction of the pipeline is made by the outside, which is suitable for the modification of the existing breast cell, ie the precipitation tank cannot be further disposed, and after the bottom is redesigned back to the bottom, the external pipe is introduced into the external pipe. The drain 32 here can be fixed to the bottom surface to ensure that its opening is at the lowest point of the inverted or funnel shape. This scheme can be processed on the basis of Example 1.

[0047] The returning device is a pneumatic water feed device 41. Here, the pneumatic water purification device 41 is mainly saving and increasing the oxygen content of the backwater, where the pneumatic water purification device 41 can ...

Example Embodiment

[0049] Example 3

[0050] The breeding tank 1 is circular or elliptical or a rectangular cut angle, and there is an intercepting rod 11 extending to the breeding tank at the edge of the breeding tank 1; the interception rod 11 is flush with the liquid level of the breeding tank.

[0051]Here is mainly to consider returning water, reflow the aquaculture water impact the aquaculture water in the breeding pool, so that the aquaculture water in the breeding pool forms a vortex, on the one hand, the dirt, the bottom of the dirt, the other, the water surface, the float, feces, etc. flow. By increasing the intercepting rod to intercept the float, the float is gathered into the outer space by the swing interception rod. The floating material is then removed by salvage, suction, and the like.

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Abstract

The invention relates to an internal circulation breeding system. The system comprises a culture pond and a dirt separation pond communicated with the culture pond; the bottom surface of the dirt separation pond is concave downwards to form an inverted cone-shaped or funnel-shaped concave part, and the bottom end of the concave part is provided with a dirt discharge device for discharging dirt; and a water return device is also arranged in the dirt separation pond. Compared with the prior art, the internal circulation breeding system has the advantages that the dirt separation pond is arranged beside the culture pond, the bottom of the dirt separation pond is in a funnel shape, culture water sewage entering the dirt separation pond can be better precipitated and gathered, follow-up concentrated discharge is facilitated, and discharged water can be reduced to the maximum extent.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to an internal circulation aquaculture system with extremely low discharge of aquaculture water. Background technique [0002] At present, in the aquaculture industry, how to reduce the discharge of aquaculture water has always been a problem that most enterprises need to solve. In order to help aquaculture enterprises solve the above problems, Professor Zhong Chuanming, the inventor of this case, proposed a double-cycle zero-emission healthy aquaculture system in the patent No. ZL201110140191.8. Realize the reuse of aquaculture water. However, the above scheme is more suitable for aquaculture enterprises with large-scale land, and the applicability of small and medium-scale aquaculture enterprises is not strong. The main reason is that the external circulation system of this patent requires a large area of ​​artificial wetlands and other ecosystems to purify the environment and achieve ...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K63/04C02F9/14C02F103/20
CPCA01K63/003A01K63/04C02F9/00C02F2103/20C02F2209/08C02F2209/10C02F2209/16C02F2209/18C02F1/52C02F2001/007C02F3/00C02F1/40
Inventor 钟传明钟国龙
Owner 福建省水产技术推广总站
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