Nature-imitated fishway adapted to fishes with different swimming abilities
A technology that imitates nature and fishways, applied in the field of imitating natural fishways, can solve the problems of difficulty in passing fish mouths or vertical seams, single structure of fishways, low energy consumption, etc., to increase wall roughness and improve fish passing Efficiency, the effect of increasing adaptability
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[0040] The present invention will be further explained below in conjunction with the drawings.
[0041] Such as Figure 1-Figure 8 As shown, an imitation natural fishway suitable for fish with different swimming abilities of the present invention includes a fishway outer wing wall 1, a fishway bottom plate 15 and several fishway units. The fishway outer wing wall 1 is vertically fixed on both sides of the fishway bottom plate 15 along the length direction, and several artificial pebbles 3 are randomly arranged on the inner wall of the fishway outer wing wall 1. The fishway unit is located between the two fishway outer wing walls 1. Each fishway unit includes two fishway inner wing walls 2, two deflection plates 6, two airbags 7 and a baffle 10, along the fishway inner wing wall 2. The water flow direction is arranged, the inner wing wall 2 of the fishway is provided with multiple water passing holes 4, the deflection plate 6 is arranged near the water inlet of the fishway unit, t...
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