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Ecological dam with fish migration channel

A channel and fish technology, applied in water conservancy projects, marine engineering, climate change adaptation, etc., can solve problems such as damage to the ecological environment, and achieve the effects of firm dam body, small slope, strong natural disasters and man-made disasters

Inactive Publication Date: 2016-11-09
罗富强
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing dam destroys the ecological environment, to provide a dam that is not restricted by the terrain, is easy to build, has low cost, and can enhance the firmness of the dam body, so that fish in the river can migrate smoothly. Ecological dams with fish migration channels to ensure that the living environment of aquatic animals is not severely damaged

Method used

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  • Ecological dam with fish migration channel
  • Ecological dam with fish migration channel
  • Ecological dam with fish migration channel

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Embodiment Construction

[0016] Such as Figure 1~Figure 4 As shown, in the ecological dam with the fish swimming channel described in the present invention, the dam body 1 is a trapezoidal dam body with a wide bottom and a narrow top in the cross section, and the backwater surface of the dam body corresponding to the side of the reservoir area is provided with a Z-shaped gradually climbing dam body. The zigzagging channel type fish migration channel 2 is provided with a step partition wall 3 in the fish migration channel, which divides the fish migration channel into a series of migration pools 4 that rise one by one, forming a stepped fish migration channel. swimming channel. The purpose of dividing the fish migration channel into several migration pools by the stepped partition wall is to reduce the water flow velocity and to facilitate the fish to continue to migrate after long-term habitat in the migration pool or short-term rest to accumulate energy. By adopting the present invention, only one ...

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Abstract

The invention discloses an ecological dam with a fish migration channel. According to the ecological dam with the fish migration channel, a dam body (1) is a trapezoidal dam body or a triangular dam body with a cross section which is wide in bottom and narrow in top in an overall shape, and the zigzag ditch-type fish migration channel (2) which gradually ascends in a Z-shape is arranged on a backwater surface corresponding to one side of a reservoir area, of the dam body; stepped partitions (3) are arranged in the fish migration channel, and partition the fish migration channel into a string of migration pools (4) which gradually ascend, so as to form the stepped fish migration channel. The ecological dam with the fish migration channel, which is disclosed by the invention, is unlimited by terrain in construction, easy to build, and low in cost; and the firmness of the dam body can be enhanced, and fishes in a river can be smoothly migrated, thus the living environment of aquatic animals is prevented from heavy destroy.

Description

technical field [0001] The invention belongs to the technical field of water-retaining buildings. Background technique [0002] Traditional hydropower dams are mostly dams with gates. When storing water, the gates are closed, and the entire dam becomes a closed dam. Dams of this structure completely cut off the migration route of fish, severely damaged the ecological environment of the river, and caused the reduction and extinction of aquatic animal species. [0003] In order to protect aquatic animals, in recent years, environmental protection, agricultural departments and various environmental protection organizations have required that barrages must be built with fishways. The existing fishways are mainly divided into three types. The first type is the artificially assisted fishway. The fish is first lured into the loading body by artificial methods such as fish lifting boats and buckets, and then the fish is lifted to the dam by mechanical means. Upper reservoir area. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B8/08
CPCY02A40/60E02B8/08
Inventor 罗富强
Owner 罗富强
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