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Anti-current deepwater net cage system

A deep-water cage and cage technology, which is applied in fish farming, application, climate change adaptation, etc., can solve problems such as practical limitations, a large number of waste nets, and different cage configurations. Conducive to environmental protection and the effect of reducing volume loss rate

Active Publication Date: 2017-11-10
HEFEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] 3. Huge amount of used net clothes:
However, the limitation of this technology is that the proposed cage configuration is not a common type, which is quite different from the HDPE circular floating cage widely used in my country, and its practicability is limited.

Method used

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  • Anti-current deepwater net cage system
  • Anti-current deepwater net cage system
  • Anti-current deepwater net cage system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0099] Embodiment 1: as Figure 6 , Figure 8 , Figure 9 As shown, the basic support 4 is welded by eight identical steel plates to form a "meter-shaped" axisymmetric structure, and each sleeve rod 9 on the basic support 4 is evenly and symmetrically inserted into the ring-shaped counterweight 11 . After cable 15 passes through each column sleeve pipe 3 on the net clothes 2, one end of cable 15 is moored on the net cage frame 1, and the other end is moored on the net cage mooring ring 7 of foundation support 4, and each cable 15 Bind a confinement ring 13 at the same position as Figure 6 shown.

[0100] The quantity of cables 15 on the net cage frame 1 is four, and is evenly distributed around the net cage frame. That is to say, the number of mooring points is four, and they are evenly distributed around the frame of the cage. This design can greatly reduce the stress concentration at the mooring points of the floating tube frame of the cage, and the wind and wave load b...

Embodiment 2

[0104] Embodiment 2: as Figure 10 As shown, after the cables 15 on the net cage pass through the sleeves 3 of each row on the net clothes 2, one end of the cables 15 is moored on the cage frame 1, and the other end is moored on the middle mooring ring 6 of the foundation support 4 Above, bind a confinement ring 13 at the same position of each cable 15, and the rest of the situation is the same as in Embodiment 1.

Embodiment 3

[0105] Embodiment 3: as Figure 15 As shown, the arc length of the anti-flow frame 16 is 270°, and the other conditions are the same as in Embodiment 1.

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Abstract

The invention discloses an anti-current deepwater net cage system. The anti-current deepwater net cage system comprises an anchoring basis, a net cage frame and a net coat. The anchoring basis comprises a basic support, a middle mooring ring is arranged in the center of the basic support, and net cage mooring rings, anti-current net mooring rings and sleeve rods are arranged on the outer sides of the center; the anchoring basis also comprises an anti-current frame located on the incident flow side, an anti-current net is arranged below the anti-current frame, multi-row sleeves are arranged on the anti-current net, a plurality of cables penetrate through all the row of sleeves, then the upper ends are moored on the anti-current frame, and the lower ends are moored on the anti-current net mooring rings of the basic support; multi-row sleeves are also arranged on the net coat, the multiple cables penetrate through all the row of sleeves, then the upper ends are moored on the net cage frame, and the lower ends are moored on the middle mooring ring or the net cage mooring rings; a plurality of steel cables are arranged between the anti-current frame and the net cage frame, and all the steel cables are sleeved with constraint straight pipes. According to the anti-current deepwater net cage system, one or more anti-current nets is or are arranged on the incident flow side of the net coat, the sea current speed inside the net cage can be greatly reduced, the net cage can be arranged in a sea area with the large sea current speed, and the range suitable for aquaculture sea areas is widened.

Description

Technical field: [0001] The invention relates to a net cage for marine culture, and more particularly, relates to a anti-flow deep-water net cage system. Background technique: [0002] my country's traditional offshore small net cages are mainly distributed in harbor sea areas with a water depth of about 10m. From the South China Sea to the Yellow Sea and the Bohai Sea, the total number of small traditional offshore net cages has reached more than 1.2 million. However, traditional small net cages are mainly set up in semi-enclosed harbors along the coast, with small breeding capacity, short service life, serious pollution, eutrophication in local sea areas, large-scale fish disease prone to occur, and fish quality decline, which seriously restrict Development of the marine aquaculture industry. Vigorously developing seawater storm-resistant net cages with a water depth of 12-40m is an important development direction for marine aquaculture fisheries. [0003] In the sea are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/60A01K61/65
CPCA01K61/60A01K61/65Y02A40/81
Inventor 刘金龙刘洁群
Owner HEFEI UNIV
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