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Acete chinensis trap net capable of releasing rhopilema esculentum and assembling method thereof

A jellyfish and hairy shrimp technology is applied in fishing nets, fishing accessories, fishing and other directions, and can solve problems such as scrapping of fishing gear, explosion of nets, loss of hairy shrimp catches, etc.

Inactive Publication Date: 2018-11-23
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When fishing prawns in autumn, due to the overlap with the vigorous growth period of jellyfish, some jellyfish will enter the prawn net with the water flow. If a certain amount of jellyfish enters the prawn net, it will cause the net to burst, and at least the prawn catch will be damaged. All are lost, and the fishing gear is scrapped

Method used

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  • Acete chinensis trap net capable of releasing rhopilema esculentum and assembling method thereof
  • Acete chinensis trap net capable of releasing rhopilema esculentum and assembling method thereof
  • Acete chinensis trap net capable of releasing rhopilema esculentum and assembling method thereof

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Embodiment 1

[0027] A single cone-shaped sac-shaped main net capable of releasing jellyfish, including a single-cone-shaped sack-shaped main net, upper edge class 4, lower edge class 8, side class 7, floater 6, sinker 10 and jellyfish Block the separation mesh 11. The upper border class 4, the lower border class 8, and the side class 7 respectively penetrate into the upper and lower sides of the mesh opening of the single cone-shaped pouch-shaped main net and the edge meshes on both sides, and the floater 6 penetrates the floater class 5 and the upper border class 4 Combined to be called the upper class, the sinker 10 penetrates the sinker class 9 and the lower margin class 8 and is combined to be called the lower class, the single cone-shaped sac-shaped main net is used to catch hairy shrimp; the upper class , lower class and side class 7, floater 6 and sinker 10 constitute the main frame of the net and make the net vertically open. The jellyfish blocking separation mesh 11 is a piece of...

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Abstract

The invention relates to an acete chinensis trap net capable of releasing rhopilema esculentum and an assembling method thereof, and belongs to the technical field of marine fishing. Under the circumstance of not changing the performance of catching acete chinensis, rhopilema esculentum blocking and separating net pieces are obliquely and additionally installed in a main net in a single body tapercapsular bag shape to form a net-within-net structure, and a rhopilema esculentum releasing opening is reserved in the back middle position of an upper side gap of a main netting in the single body taper capsular bag shape. The suitable integral floating and sinking ratio is selected, a big floating ball is additionally installed in the net, and by adjusting the length of a big floating ball outline, aimed fishing is conducted. The trap net is simple in structure, easy to manufacture, convenient to operate and low in cost; the rhopilema esculentum can be effectively released, and the fishingperformance of the acete chinensis trap net cannot be influenced.

Description

Technical field: [0001] The invention belongs to the technical field of marine fishing, and in particular relates to a hairy shrimp stretching net capable of releasing jellyfish and an assembly method thereof. technical background: [0002] Chinese hairy shrimp (Acetes chinensis Hansen), which belongs to the order Decapod, Prunidae, and the genus Acetes chinensis, is commonly known as hairy shrimp. Body length 26-40mm, 1-year-old small planktonic shrimp, flat side, very thin carapace, transparent body color. The philodendrons gather in the bay or near the estuary, and their swimming ability is relatively weak. When they move, they mainly swim in the direction of the tide. They do not have the habit of long-distance migration, and only move in directions with the seasons. It is distributed along the coasts of my country, with the largest number in the Bohai Sea. It is an important fishing target for coastal netting operations. Except for a few fresh products, most of them ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K71/00A01K75/04A01K75/06
CPCA01K71/00A01K75/04A01K75/06
Inventor 李显森孙珊朱建成樊钢洲孙中之
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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