Semi-submerged semi-suspended type floating raft-cage device for culturing sea cucumbers

一种半海底半悬吊式浮筏网笼养殖海参的装置

  • Inventors: AO ZHIHUI
  • Assignees: 敖志辉
  • Publication Date: December 08, 2010
  • Publication Number: CN-201663859-U

Abstract

The utility model discloses a semi-submerged semi-suspended type floating raft cage device for culturing sea cucumbers, which relates to fishery seawater floating raft cage culture and utilizes the conventional culture tools such as floating rafts, cages and the like for culturing seashells to culture sea cucumbers through little adjustment and modification. Long-term and large-scale high-density single variety seashell culture results in reduction of seawater nutrient substances, flow retardance and frequent occurrence of diseases and pests in part of aquaculture areas in Liaoning Province and the like, and unexpected death of large-area seashells results in increase of seashell culture cost and risk increase; and in the device for culturing semi-submerged semi-suspended type floating raft cage sea cucumber, a cage for culturing seashells is horizontally, transversely hung on raft bodies of two floating rafts, the total length of a buoyancy rope plus a suspending rope (at the time of low tide) is adjusted to larger than the distance between the sea level and the seabed, and the device is formed; the device can lead the cage to be totally submerged into the sea at low tide and to totally separate from the seabed at full tide or spring tide. The device has the benefits of prevention of environment pollution, energy conservation, labor conservation and greatly-increased efficiency, and provides new technology and development direction for rotational culture and mixed culture of the sea cucumbers with seashells.
一种半海底半悬吊式浮筏网笼养殖海参的装置,涉及渔业海水浮筏网笼养殖,是利用现有养殖贝类的浮筏、网笼等养殖器具,通过较小的调整改动养殖海参。长期大规模高密度单品种的贝类养殖,已在辽宁等部分养殖海域造成海水营养物质下降、水流不畅、病虫害频发。贝类大面积的突发性死亡,使海水贝类养殖成本提高,风险增大。本实用新型将养殖贝类的网笼水平横挂在两浮筏的筏身上,将浮力绳加吊绳的总长度(在低潮时)调整到大于海面到海底的距离,组成一种装置,该装置使网笼在低潮时能完全沉入海底,在满潮或大潮时能完全脱离海底。本实用新型的有益效果是:防治环境污染,节能、省工,大幅度增效,为海参与贝类轮养、混养提供了新技术和发展方向。

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