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Closed water-flowing type aquaculture net cage

A flow-through, net-cage technology, applied in fish farming, applications, climate change adaptation, etc., can solve the problems of prominent, drug residues, high water and power consumption, etc.

Inactive Publication Date: 2010-06-16
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

[0007] The purpose of the present invention is to provide a closed flowing water culture net cage, which can effectively solve the problems of prominent drug residues in eel products, high water and power consumption, and facilitate water body isolation and water body exchange. At the same time, it can be applied to other fish culture

Method used

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  • Closed water-flowing type aquaculture net cage
  • Closed water-flowing type aquaculture net cage
  • Closed water-flowing type aquaculture net cage

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Embodiment

[0026] like figure 1 , figure 2 , image 3 Shown, the closed flowing water type culture net cage of the present invention, it comprises net cage body 10, and net cage body 10 is made of interior mesh bag 20 and the outer sealing bag 30 that is arranged on interior mesh bag 20 outside, by outer sealing bag 30 will The aquaculture water body is isolated from the water body of the reservoir, and a water exchange window 40 that can be opened or closed is provided on the external sealed bag 30. The bottom of the net cage body 1 is inclined at a certain angle, so that dirt can be concentrated to the bottom, and the bottom of the net cage body 1 is provided with Have water outlet 50, be connected with outlet pipe 51 on the water outlet 50, be provided with some hasps 11 at the bottom edge of net box body 10, be connected with a sinker 60 by hasp 11.

[0027] The outer sealed bag 30 is used for waterproofing, and the inner net bag 20 is used for breeding to prevent fish from escapi...

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Abstract

The invention provides a closed water-flowing type aquaculture net cage, wherein a double mesh bag structure is constituted by an external sealing bag at the outer layer and an internal mesh bag at the inner layer; the external sealing bag is utilized to separate the culture water body from the reservoir water body to control the opening and closing of the water-exchange window so as to control the water body exchange; the internal mesh bag is used for preventing fish from escaping when the water-exchange window is open and for the convenience of shifting when fish is lifted; a dipsey at the bottom of the net cage body is used for straightening the whole external sealing bag; the water outlet at the bottom of the net cage body is connected with the discharging tube and is used for water exchange and pollution discharge; the closed water-flowing type aquaculture net cage can save energy, reduce discharge, save water resource, and is convenient for the prevention and control of fish diseases to realize the aim of the invention.

Description

technical field [0001] The invention relates to a cage for cultivating fish in water, in particular to a cage that can meet the needs of eel cultivation. [0002] The technical requirements take into account the prevention and control of fish diseases, and it is a closed flowing water breeding cage with the characteristics of water saving, land saving and environmental protection. Background technique [0003] Since the mid-1970s, my country introduced the intensive cultivation technology of Japanese eel intensive culture ponds. After nearly 30 years of digestion, absorption and improvement, a set of intensive eel cultivation ponds and eel earth pond cultivation suitable for my country's characteristics has been formed. technology. The success of introducing and breeding European eel has made my country the most important eel breeding country in the world, with an annual output of more than 120,000 tons, accounting for 80% of the world's output. my country's eel industry ha...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 刘平江涛谌志新徐中伟王志勇
Owner FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
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