Fish elevator device for collecting fishes by utilizing tail water of hydropower station and fish collecting method applying same
A technology of hydropower station and fish lifting machine, which is applied in the fish collection and fish lifting machine field of the fish lifting machine device, which can solve the problems of high energy consumption of water pumping, low fish luring efficiency, and limitation of fish collection types, etc., so as to save engineering operation cost, increase the efficiency of fish collection, and the effect of high fish collection efficiency
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[0065] The present invention is further described by taking the application of the present invention to collect fish at the draft pipe of a certain hydropower station as an example, and it also has a guiding effect on the application of the present invention to collect fish in draft pipes (holes) in other areas.
[0066] A hydropower station is located in a southwest region, with a total of 6 installed units and a flow rate of 417m 3 / s, divided into 3 tailwater tunnels, the fish lifter of the present invention can be built at the outlet of the tailwater tunnel, and fish collection can be done by using the power generation tailwater, which can improve the fish collection efficiency and reduce construction and operation costs compared with the traditional technology.
[0067] The specific content is as follows: the water guide wall is set on the bottom plate of the tail water channel, the water guide wall is parallel to the direction of the tail water flow or at a certain angle,...
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