CN2777966Y

CN2777966Y - Snap-proof net thread

Info

Publication number: CN2777966Y
Application number: CNU2005200396221U
Authority: CN
Inventors: 马海有; 郭亦萍
Original assignee: East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Current assignee: East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Priority date: 2005-02-07
Filing date: 2005-02-07
Publication date: 2006-05-10
Anticipated expiration: 2015-02-07

Abstract

The utility model relates to a bite-proof netting twine which belongs to the netting twine used for braiding net cages in aquaculture industry, and the utility model needs to solve the problems of the netting twine, such as the problems of defending against the impact of wind waves and water flow, and the nibble and bite of underwater animals. The utility model has the technical scheme that the utility model is knitted out of multifilament fibers and monofilament, and the utility model is characterized in that polyethylene (PE) multifilament fibers are wound around and twisted with a polyethylene (HDPE) monofilament or a small strand, the winding spiral angle ranges from 75 DEG to 90 DEG, and the strand is clamped in the middle of one of the strands of the twisted netting twines of which the twist number ranges from 50 to 200 per meter. The utility model is suitable for being braided into bite-proof net sheets and bite-proof net cages.

Description

A kind of anti-netting twine of stinging

Technical field:

The utility model relates to the netting twine that culture fishery braiding net cage is used.

Background technology

As thigh, the single twisted netting twine line that to be some monofilament form through twisting once is generally with three strands or be no less than three strands and twist into folded twisted netting twine with single twisted netting twine for common netting twine.There are polyamide (PA), polypropylene (PP), polyester (PET), polyethylene (PVA), polyethylene (PE), aromatic polyamides (PPTA) multifilament fiber to be used to spin netting twine at present.Be the case that scores a goal of animal bites under the prevention of water, the netting twine twisting metal core wire that aquiculture net cage is used.But the braiding netting gear needs knotting, and metal core wire in netting twine knotting back is because of the intensity easy fracture that declines to a great extent.Net cage in use is subjected to the impact that stormy waves and current continue repeatedly, and metal core wire fracture takes place in anastomose and loses and originally prevent stinging function, causes net cage to be broken by the teeth by animal such as water rat under water easily, causes cultured fishes to flee from aquiculture net cage.Net cage is broken by the teeth by animal under water because of metal core wire anastomose fracture, causes annual a large amount of cultured fishes to flee from, so aquaculture has adopted three layers of cover net cage.The cost that has not only increased by two net cages is dragged in arranging like this, and waste water body, increased and cultured and cleaned management cost,, influenced net cage water body circulation exchange simultaneously owing to easy periphtic algae on the net sheet of multilayer net cage, reduced the required microorganism of aquaculture, germ easily breeds, and causes aquatic organism to culture that disease is many, lethality is high, and animal is in order to eat dead fish under water, the fish culture net cage probability of breaking by the teeth is also more and more higher, causes the very big economic loss of aquaculture.

The utility model content

The utility model need solve netting twine storm resisting water impact and the problem that bites of animal under water, need provide a kind of adapt to knotting and easy fracture, can continue the anti-netting twine of stinging that animal bites under repeated stock, the prevention of water by the storm resisting current.

The technical solution of the utility model adopts multifilament fiber and monofilament spinning, it is characterized in that twining sth. made by twisting on polyethylene (HDPE) monofilament or shallow bid with polyethylene (PE) multifilament fiber, twining spiral angle is 75～90 degree, and this strand is clipped in the twist and is every meter 50～200 and twists with the fingers wherein in the middle of one of netting twine.

The utility model is because employing has anti-polyethylene (PE) multifilament fiber of performance of stinging, and multifilament fiber is pressed the winding of certain winding spiral angle twist with the fingers on polyethylene (HDPE) monofilament or shallow bid, and folder is twisted with the fingers in netting twine, overcome the too big problem of elongation rate variance of multifilament fiber and monofilament, avoid the little fiber of tensile stretch to shift to an earlier date stressed fracture, thereby make the net cage that adopts the braiding of the utility model netting twine can the storm resisting current continue repeated stock and under water animal bite, avoid taking place the economic loss that net cage is fled from cultured fishes, also avoid being provided with three layers of cover net cage, relative three layers of cover net cage, it is lighter to use individual layer net cage algal suspension thing to adhere to, and the net cage permeability is good, water body exchange efficiency height, the required microorganism of aquaculture is many, germ is difficult for breeding, and aquiculture disease is few, saves water body, effectively cultured area obtains enlarging, improve per mu yield relatively, and alleviate net cage and water pollution, save aquaculture management cost techniques effect.

Description of drawings

What accompanying drawing was represented is that twisted fibers is twined the schematic diagram of twisting with the fingers on a monofilament or shallow bid.

Embodiment

The utility model adopts multifilament fiber and monofilament spinning, multifilament fiber is that polyethylene (PE) multifilament fiber twines sth. made by twisting on polyethylene (HDPE) monofilament or shallow bid (2 shown in the accompanying drawing), the specification of polyethylene (PE) multifilament fiber preferably adopts 22tex and twists every meter 8～10 sth. made by twisting with twisting machine earlier, be fabricated to multifilament twisted fibers (as shown in FIG. 1), twining spiral angle is 75～90 degree, twine spiral angle and finely tune according to two elongate fiber rate variances, the compound winding of this multifilament twisted fibers twist with the fingers thigh be clipped in the twist be every meter 50～200 twist with the fingers netting twine wherein promptly become a kind of anti-netting twine of performance of stinging that has in the middle of one.

The utility model is used to be woven into the anti-net sheet of stinging, and this anti-net sheet of stinging is pieced together the net cage of system and had softness, anti-cutting, anti-stinging property, and counter-bending tired the impact and abrasion resistance properties can play preventing under water the animal bites tool that scores a goal, and prevents to score a goal to cause the effect of escaping the fish loss.

Claims

1, a kind of anti-netting twine of stinging, adopt multifilament fiber and monofilament spinning, it is characterized in that twining with the polythene PE multifilament fiber and twist with the fingers on polyethylene HDPE monofilament or shallow bid, twining spiral angle is 75～90 degree, and this strand is clipped in the twist and is every meter 50～200 and twists with the fingers wherein in the middle of one of netting twine.

2, according to claim 1ly a kind ofly anti-sting netting twine, it is characterized in that the specification of multifilament fiber adopts 22tex twisting to be twisted as the multifilament twisted fibers for every meter 8～10.