Tunnel type artificially-natural fishway
A technology imitating nature and fishway, applied in water conservancy projects, marine engineering, climate change adaptation, etc., can solve problems such as high cost, high design and construction difficulty, and large construction volume, so as to achieve less surface area and reduce soil erosion. , the effect of slowing down the impact of the barrier
Active Publication Date: 2016-04-06
CHANGJIANG SURVEY PLANNING DESIGN & RES
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Problems solved by technology
[0005] Aiming at the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a tunnel-type imitation natural fishway, which can not only adapt to the topographical conditions of narrow riverbeds and high and steep mountains on both sides of the riverway, but also overcome the large amount of construction work of open-cut fishways. , high difficulty in design and construction, and high cost, and can minimize the impact on terrestrial animals and plants on the mountains on both sides of the river
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[0028] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but it does not constitute a limitation of the present invention, and is only used as an example. At the same time, the advantages of the present invention will become clearer and easier to understand through the description.
[0029] Such as figure 1 Shown, the tunnel type imitation natural fishway designed by the present invention, it mainly utilizes fishway main body 4 to connect the downstream river bed 14 of power station building 8 and the waters of upstream reservoir 15. The fishway main body 4 is a tunnel type, arranged inside the mountain next to the powerhouse 8 of the power station.
[0030] The fishway inlet section 3 on the downstream side of the fishway main body 4 is close to the downstream side of the river, and is arranged on the downstream riverbed 14 . The farthest end on the downstream side of the fishway inlet section 3 is t...
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Abstract
The invention belongs to the fields of hydraulic engineering and environmental engineering and relates to a tunnel type artificially-natural fishway. A downstream bed and an upstream reservoir water area are connected through a fishway body. The fishway body is arranged inside a mountain beside a power house. A fishway inlet of the fishway is formed in the downstream bed of the power house, and a fishway outlet of the fishway is formed in the upstream reservoir of the power house. The fishway body is composed of side walls located on the two sides, a bottom slab located at the bottom and a top arch located at the top. A plurality of contraction sections are arranged inside the fishway body so that the fishway body can be divided into a plurality of fishway cell compartments. A vertical fish passing seam of each contraction section is communicated with the two adjacent fishway cell compartments. The tunnel type artificially-natural fishway can adapt to the topographic conditions that the bed is narrow and mountains on both sides of a watercourse are high and steep, and the defects that according to an open excavation type fishway construction scheme, the excavation quantity is large, the designed construction difficulty is high, and the construction cost is high can be overcome, and the influences on animals and plants on the mountains on both sides of the watercourse can be reduced to the greatest extent.
Description
technical field [0001] The invention belongs to the fields of water conservancy engineering and environmental protection engineering, and relates to a tunnel type imitation natural fishway. Background technique [0002] Migration is the periodic directional back and forth movement of fish due to the influence of physiological requirements, genetics and external environmental factors. Migration is a characteristic formed during the phylogenetic process of fish, and it is a long-term adaptation of fish to the environment, which can enable the population to obtain more favorable living conditions and reproduce better. Nowadays, in order to obtain water energy, human beings build dams on natural rivers, which block the migration channels of fish and seriously damage the natural ecological environment in the rivers. In order to remedy the damage caused to the river, human beings designed and built various fish passing facilities when building barrage dams to help migratory fish ...
Claims
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Login to View More IPC IPC(8): E02B8/08
CPCY02A40/60E02B8/08
Inventor 钮新强廖仁强周述达宋志忠朱世洪王程
Owner CHANGJIANG SURVEY PLANNING DESIGN & RES