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Curtain type manual down-flow device combined with fish reefs

A curtain and artificial technology, applied in the field of curtain-type artificial downflow device, can solve problems such as threats to coastal ecosystems, reduction of aquatic biomass, and reduction of biodiversity, and achieve reduced development and maintenance costs, low center of gravity, and flexible design Effect

Active Publication Date: 2020-01-24
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lack of dissolved oxygen (DO) in water poses a threat to coastal ecosystems by reducing aquatic biomass and reducing biodiversity

Method used

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  • Curtain type manual down-flow device combined with fish reefs
  • Curtain type manual down-flow device combined with fish reefs
  • Curtain type manual down-flow device combined with fish reefs

Examples

Experimental program
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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Such as figure 1 and figure 2 As shown, the present invention includes: a floating ball 1, a fixed steel frame 2, a steel ring 3, a reinforcing rib 4, a first artificial reef 5, a second artificial reef 6, a curtain 7, a cable 8, a connecting ring 9, and a connecting rod 10. Wooden pile 11, clamp 12, steel ring 13; wherein, the upper part of the fixed steel frame 2 is connected with the floating ball 1 through the cable 8, and the lower part is connected with the first artificial reef 5 and the second artificial reef through the clamp 12 6 are connected; the first artificial reef 5 and the second artificial reef 6 are fixed on the seabed through the mooring structure, and the mooring structure is mainly composed of connecting rings 9, connecting rods 10 and wooden piles 11; the curtain 7 is installed on the fixed steel Steel rings 13 are used ...

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PUM

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Abstract

The invention discloses a curtain type manual down-flow device combined with fish reefs, and belongs to the technical field of ocean anoxia solving; the curtain type manual down-flow device comprisesfloating balls, ropes, curtain cloth, a steel fixing frame, artificial reefs and anchoring structures, wherein the floating balls are connected with the steel fixing frame through the ropes, the curtain cloth is fitted on the steel fixing frame, reinforcing ribs penetrate the steel fixing frame, and the artificial reefs are connected to the bottom of the steel fixing frame and fixed on the seabedthrough the anchoring structures. When oxygen-enriched water entrained by tidal currents flows through the device, a down-flow is generated under the induction of the inclined curtain cloth and is discharged after being mixed by the artificial reefs at the bottom of the device, and the discharged oxygen-enriched water is mixed with surrounding anoxic water so as to alleviate the anoxia problem ofthe seabed.

Description

technical field [0001] The invention relates to the technical field of solving marine hypoxia, in particular to a curtain type artificial downflow device combined with fish reefs. Background technique [0002] Hypoxia is increasing in estuarine and coastal marine ecosystems around the world. Lack of dissolved oxygen (DO) in water poses a threat to coastal ecosystems by reducing aquatic biomass and reducing biodiversity. There are many factors that cause coastal hypoxia, mainly involving global climate change, eutrophication and water stratification. According to statistics, in the world's coastal waters, there are more than 400 continuous or seasonal hypoxic regions covering an area of ​​245,000 square kilometers, including the Baltic Sea, the Black Sea, the Yangtze Estuary, and the Gulf of Mexico. [0003] Ocean hypoxia is related to the health of the marine ecosystem, which can lead to the loss of biological habitats, damage or reduction of biological populations, and af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K63/04A01K61/70
CPCA01K61/70A01K63/042Y02A40/81
Inventor 樊炜潘冬冬肖灿博张祝军赵建民张秀梅尹增强宋书强薛辉潘依雯陈鹰
Owner ZHEJIANG UNIV
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