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Composite cage

A compound and net cage technology, applied in the field of compound net cages, can solve problems such as inconvenient operation, and achieve the effects of convenient management, low reliability requirements, and avoiding wind and wave attacks

Active Publication Date: 2017-05-10
舟山海大中源海洋科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to break through the limitations of HDPE cages and seek a safe, reliable and suitable for open sea areas with strong currents and no shelter, especially for deep water sea areas, it must be based on tension leg cages. It is constructed in a simple, practical and economical way, while improving its disadvantages of inconvenient operation

Method used

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  • Composite cage

Examples

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Embodiment

[0010] Example: refer to figure 1 , Composite net cage, comprise that the top is provided with the gravity net cage 1 that has inflatable floating frame 11, wherein: the bottom of gravity net cage 1 has upper isolation mesh 14; Net cage 2; the top of the dish-shaped net cage 2 has a lower isolation mesh 21. The inflatable floating frame 11 dives through the exhaust, which can effectively avoid the attack of wind and waves. After diving, the net clothing of gravity net box 1 shrinks in the net catcher or arranges near the outer edge mouth of lower isolation net sheet 21. Open above-mentioned two isolation net sheets, fish can well avoid the impact of wind and waves and current after making the fish sneak into dish net cage 2. The frame of the dish-shaped cage 2 is a rigid structure, and the sides of the dish-shaped cage 2 are all or partially covered with canvas. According to the current flow velocity of the design sea area, the dish net cage 2 sides can be fully covered wit...

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Abstract

The invention discloses a combined type net cage which comprises a gravity net cage with an inflatable floating frame at the top, wherein an upper isolation mesh is arranged at the bottom of the gravity net cage; the gravity net cage is connected with a disk-shaped net cage without a center vertical column through a traction rope; a lower isolation mesh is arranged at the top of the disk-shaped net cage. The inflatable floating frame is submerged through exhausting, so that stormy wave attacks can be effectively avoided. After the inflatable floating frame is submerged, a net of the gravity net cage is shrunk into a net collector or is arranged near an outer edge of the lower isolation mesh. The two isolation meshes are opened, so that fishes can well escape from impact of stormy waves and water flow after diving into the disk-shaped mesh cage. Therefore, the combined type net cage has the advantages of high stormy wave flowing resistance, convenience in bait feeding and management, large breeding spring layer area and low requirement on reliability of an anchoring system.

Description

technical field [0001] The invention relates to an off-shore cage culture equipment, in particular to a composite cage. Background technique [0002] Cage culture is an important part of the marine economy. At present, the gravity-type HDPE cage introduced from Norway is developing rapidly. It is used by a large number of farmers in the Yellow Sea, East China Sea and South China Sea. This floating cage made of HDPE material, Although the tubular frame made of this HDPE material can sink to a certain depth before the typhoon hits by setting the injection / drainage pipe, avoiding the biggest wave impact on the water surface, but from the practical point of view, this kind of cage still has many defects. The reason why TLC cages have not been introduced in China is that economical methods have not been used to solve the basic construction of high pull-out force and reliable anchorage with balanced tension. If the piling method of marine engineering or port construction is adopt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/73
CPCA01K61/60Y02A40/81
Inventor 桂福坤王萍林超江丹丹孙天沐
Owner 舟山海大中源海洋科技有限公司
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