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Injury-reduced buffer fish way suitable for emergency flood discharge and buffer method

A fishway and flood discharge technology, applied in climate change adaptation, marine engineering, construction, etc., can solve the problems of no buffer device, low fish protection effect, simple structure, etc., to reduce potential energy, enhance buffering, and reduce impact. force effect

Active Publication Date: 2021-07-02
CHINA THREE GORGES CORPORATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the gate and dam discharge flood, the fish in the fishway will be violently impacted by the flood and are easily injured. The structure of the fishway in the prior art is usually relatively simple, without buffer devices, and the protection effect on fish is low

Method used

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  • Injury-reduced buffer fish way suitable for emergency flood discharge and buffer method
  • Injury-reduced buffer fish way suitable for emergency flood discharge and buffer method
  • Injury-reduced buffer fish way suitable for emergency flood discharge and buffer method

Examples

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as Figures 1 to 6 As shown, a buffer fishway suitable for emergency flood discharge with reduced damage includes a fishway body 1, a migratory channel 3 is provided inside the fishway body 1, and one end of the fishway body 1 is rotatably connected to a fixed seat 2 , the other end is rotatably connected with the counterweight floating dock 4, and a plurality of swingable buffer plates 5 are hingedly provided in the migratory channel 3 .

[0031] Preferably, the buffer plates 5 are equidistantly arranged along the length direction in the migrating channel 3 and are parallel to each other, and a transmission link 6 is arranged between each buffer plate 5, and the side rotation of the transmission link 6 and the buffer plate 5 connect. After this design, through the swing of one buffer plate 5, multiple buffer plates 5 ca...

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PUM

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Abstract

The invention discloses an injury-reduced buffer fish way suitable for emergency flood discharge and a buffer method. The buffer fish way comprises a fish way body, wherein a migration channel is formed in the fish way body; one end of the fish way body is rotationally connected with a fixed base, and the other end is rotationally connected with a counterweight floating dock; and a plurality of buffer plates capable of swinging are hinged into the migration channel. In addition, the invention further discloses the corresponding buffer method. The injury-reduced buffer fish way can reduce the potential energy of flood and the impact force on fishes, effectively prevents the phenomenon of injury of the fishes in the fish way easily caused by violent impact of the flood in flood discharge of a gate dam, and is higher in fish protecting effect.

Description

technical field [0001] The invention relates to the technical field of fishway design, in particular to a buffering fishway and a buffering method suitable for emergency flood discharge with reduced damage. Background technique [0002] The design of the fishway mainly considers the upward habit of the fish. In the downstream of the gate and dam, fish often rely on the attraction of water flow to enter the fishway. Fish rely on their own strength to overcome the flow velocity and swim upstream in the fishway. The fishway is composed of an inlet, a tank body, an outlet and a fish lure replenishment system. The inlets are mostly arranged on the bank or power station where the water flow is stable and has a certain water depth, near the outlet of the overflow dam. The cross-section of the commonly used tank body is rectangular, and the water level difference between the upper and lower reaches of the tank is divided into several small steps with a partition plate. There are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B8/08E02B8/06
CPCE02B8/08E02B8/085E02B8/06Y02A40/60
Inventor 戴会超谭均军蒋定国石小涛刘振彪王宇
Owner CHINA THREE GORGES CORPORATION
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