Improved main frame of offshore net cage

A deep-water cage and main frame technology, which is applied in the field of cages in seawater cage aquaculture, can solve the problems of unscientific design of the main frame structure and pipe material of the deep-water cage, damage to the connection between the anchor rope and the main frame of the cage, and I-shaped It can ensure the safety of offshore operations, improve the ability to resist typhoons and prevent risks, and avoid sinking to the seabed.

Active Publication Date: 2017-01-18
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

The main frame structure and pipe material design of the deep-water net cage is unscientific, the anti-wind and wave ability is poor, and the pipe material is easily deformed or broken, which will damage the entire net cage and result in unstable production
Super typhoons can also cause serious damage to deep-water cages, causing huge economic losses
After investigation, the main reasons for the damage to the cages are: the floating pipes of the main frame and the guardrails are damaged and broken, the joints of the I-shaped frames are stressed, and the joints between the anchor ropes and the main frames of the cages are severely damaged, resulting in the damage of a large number of main frames of the cages. break off

Method used

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  • Improved main frame of offshore net cage
  • Improved main frame of offshore net cage
  • Improved main frame of offshore net cage

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Effect test

Embodiment 1

[0065] As shown in Figures 1 to 7, embodiment 1 of the main frame 1 of the improved deep-water net cage of the present invention includes a floating tube in the composition of the main frame, and the floating tube is a hollow elliptical tube with a major axis level, and it is a hollow elliptical tube with a reduction rate of 10. %-20% of round pipes are processed. The reduction rate refers to the percentage of the ratio of the reduction to the diameter of the blank before flattening.

[0066] Specifically: the main frame includes: an equilateral triangular floating tube plane frame and a regular hexagonal central zone floating tube plane frame, three spaced sides of the regular hexagonal central zone floating tube plane frame are parallel to the equilateral triangular floating tube plane frame The midpoints of the three sides and the other three spaced sides are facing the three corners of the equilateral triangle floating tube plane frame and are provided with reinforcing rib...

Embodiment 2

[0104] refer to Figure 8 As shown, the deep-water net cage frame of the second embodiment of the present invention can adopt any one of the pipe construction methods described in the first embodiment. The difference is that the main frame shape is an inner floating pipe connected by an I-shaped frame, and an outer floating pipe. The tube is heat-sealed and welded in an annular shape.

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Abstract

The invention provides an improved main frame of an offshore net cage. The main frame consists of a floating pipe, and is characterized in that the floating pipe is a hollow elliptical pipe with a horizontal long axis and is prepared by processing a round pipe with relative draught of 10%-20%, and the relative draught refers to the percentage of the ratio of the amount of draught to the blank diameter before flattening. The improved main frame for the offshore net cage is reasonable in structure, high in operability, saved in cost, steady in connection, and improved in stability, anti-typhoon capability and risk prevention capability; and the main frame is mainly used for improving the strength and improving the wind and wave prevention level on the premise of not changing the overall size of an existing main frame, promoting offshore net cage culture to deep open sea areas, and realizing safe culture production in open sea areas with water depth of 20-60m.

Description

technical field [0001] The invention relates to a net cage used for seawater net cage culture, in particular to an improved main frame of a deep water net cage. Background technique [0002] Mariculture cages are an important part of marine fisheries. At present, my country's offshore large-scale cage culture engineering equipment technology has made breakthrough progress, and has created a localized anti-wind and wave deep-water cage suitable for my country's sea conditions. Six offshore deep-water cage culture areas have been established in the typhoon-prone South China Sea area. More than 40 offshore deep-water cage breeding demonstration bases have been established across the country, and the total number of cages used is nearly 8,000. [0003] The types of cages include HDPE circular cages, HDPE square cages, square steel cages, etc., which are distributed near the semi-open waters with a water depth of 20 meters and islands as barriers, and have achieved great economic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/60
CPCY02A40/81
Inventor 刘海阳郭根喜王绍敏黄小华陶启友胡昱
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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