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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 lower drainage, especially for those with larger individuals and easier sinking of feces particles, or prone to foam accumulation and separation farmed animals such as eels

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as image 3 As shown: the opening of the sewage discharge device is a sewage discharge pipe 31 arranged at the lower recess and communicated with the outside world, and the sewage discharge pipe 31 is provided with a switch mechanism. The switching mechanism here can be realized with a common cannula or a solenoid valve.

[0044] Such as Figure 5 , 6 , 7: when actually designing the position of the lower concave part, the position of the lower concave part can be located in the middle of the bottom surface of the sedimentation tank 3, or it can be located near the side of the bottom surface of the sedimentation tank 3, and it can also be directly located near the bottom surface near the included angle if necessary The place.

Embodiment 2

[0046] The sewage discharge device is a drainage pipe 32 extending from the top of the sedimentation tank 3 to the lower recess and having a water pump. The other end of the drainage pipe 32 extends to the outside. In addition, the principle of siphon can also be used to remove dirt. Here, the sewage is discharged through external pipelines. This design is more suitable for the transformation of existing culture ponds. That is, the sedimentation tank cannot be additionally provided with sewage pipelines 31. After redesigning the inverted cone or funnel shape for the bottom, the external pipelines can be introduced for sewage discharge. The drain pipe 32 here can be fixed on the bottom surface to ensure that its opening faces the lowest point of the inverted cone or funnel shape. This scheme can be processed on the basis of Example 1.

[0047] The water return device is a pneumatic water lifting device 41 . The pneumatic water lifting device 41 is used here mainly to save ele...

Embodiment 3

[0050] The culture pond 1 is round, oval or rectangular with cut corners. An intercepting rod 11 extending to the culture pond is provided on the edge of the culture pond 1; the intercepting rod 11 is flush with the liquid surface of the culture pond.

[0051]The main consideration here is that when returning water, the returning aquaculture water impacts the aquaculture water in the aquaculture pond, causing the aquaculture water in the aquaculture pond to form a vortex. flow. The floating object is intercepted by adding an intercepting rod, and then the floating object is gathered into the enclosed space by swinging the intercepting rod. Afterwards, the floating objects are removed by means of salvage, suction, etc.

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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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