Pipe rack type cage-shaped large-sized anti-flow wind and wave resisting aquaculture net cage

Abstract

The invention discloses a pipe rack type cage-shaped large-sized anti-flow wind and wave resisting aquaculture net cage which comprises an inner floating pipe ring formed by welding multiple sections of arc-shaped inner floating pipes, an outer floating pipe ring formed by welding multiple sections of arc-shaped outer floating pipes, multiple horizontal supporting pipe rings formed by welding multiple sections of arc-shaped horizontal supporting pipes and multiple vertical pipes, wherein the inner floating pipe ring and the outer floating pipe ring form inner and outer concentric circular ring bodies located on the upper layer, so as to provide buoyancy for the whole net cage; the horizontal supporting pipe rings and the inner and outer floating pipe rings realize up-and-down connection through the vertical pipes, so as to form a cylindrical structural body; a cage net and a cage net tightening rope are arranged on the inner side of the cylindrical structural body. By the adoption of split connection pieces, the pipe rack type cage-shaped large-sized anti-flow wind and wave resisting aquaculture net cage is simple in structure and convenient to assemble; aquaculture water for the net cage in a high-flow-velocity sea area is guaranteed, and the structural strength and the wind and wave resistance of the net cage are improved; the aquaculture net cage can be applied to on-site installation in a sea area farther to the shore and a coral reef sea area near to an open-sea island and used as an anti-flow wind and wave resisting aquaculture device; furthermore, the aquaculture net cage has important significance for proclaiming the sovereignty and safeguarding the territorial integrity.

Description

technical field [0001] The invention relates to a conveniently assembled pipe-frame cage-shaped large-scale flow-resistant and wind-resistant aquaculture cage composed of high-density polyethylene pipes and connectors, which belongs to the technical field of aquaculture equipment. Background technique [0002] With the increase in population, the decline of offshore fishery resources and the continuous compression of coastal aquaculture space, the development of deep-sea cage aquaculture is an important part of my country's blue granary strategy. my country has vigorously developed anti-wind and wave net cages since the "Ninth Five-Year Plan". At present, gravity net cages such as floating HDPE round net cages, floating HDPE square net cages, lifting HDPE round net cages, metal net cages and floating rope net cages are used. Mainly in the form of net cages. The gravity net cage relies on the gravity generated by the weight at the bottom of the net bag of the net cage to ...

AI Technical Summary

Problems solved by technology

Gravity net cage net bags are mostly made of flexible net clothing. On the one hand, under the action of large water flow, the net bag will be deformed and the volume rate of cultivation will be greatly lost. According to relevant research, when the flow rate reaches 1m / s, the net The volume loss rate of the box reaches more than 50%, which seriously compresses the activity space of the breeding objects; on the other hand, under the action of large wind waves and currents, the net bag deforms and swings in the water, causing the breeding objects to be damaged by friction with the net clothing, and it is easy to Cause fish diseases, lead to a large number of deaths of breeding objects, and cause large economic losses

In order to overcome this shortcoming, rigid frame cages are used abroad, such as dish-shaped cages in the United States, steel structure cages in Russia, tension-leg cages in Norway, and Muhai-type cages in Sweden. Inconvenience and other reasons, there are few experimental applications in my country in the early stage, but there are no successful cases so far

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