Streamline variable section recoil energy dissipation fishway with fish luring function
A variable cross-section and functional technology, applied in coastline protection, sea area engineering, construction, etc., can solve the problems of poor fish luring effect at the fishway outlet, low fish passing rate, and poor adaptability, etc., to improve the fish luring effect, Improve the fish passing rate and the effect of smooth water flow
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[0010] The present invention will be further described below in conjunction with accompanying drawing.
[0011] Such as Figure 1-5 As shown, the streamline variable cross-section recoil energy-dissipating fishway with fish luring function of the present invention consists of a bottom plate 1, a recoil outlet 2, a foundation 3, a streamlined combined side wall 4, a recoil channel 5, a lower chamber 6, The underwater water outlet 7 is composed of the streamlined combined side wall 4 evenly arranged along the entire fishway and poured into one body with the bottom plate 1; At the position 60cm downstream of the narrowest part of the fishway, the water flow sprayed by the recoil outlet 2 and the vertical line form a preferred angle of 50 degrees; the lower chamber 6 is set under the bottom plate 1, and the flow section of the lower chamber 6 is all the recoil outlet 2 Six times the sum of the flow section and the flow section of the underwater water outlet 7; the underwater wate...
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