Fish way inlet dispersed water feeding system arrangement method with bottom stilling pool
A layout method and water supply system technology, applied in water conservancy engineering, water conservancy engineering equipment, sea area engineering, etc., can solve problems such as cumbersome operation, exceeding the standard, and affecting fish, etc., and achieve high universal reference, simple structure and layout, and convenient operation Effect
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[0059] The fish passing facilities of a water conservancy project in my country adopt the engineering fishway type. The bottom width of the fishway pond is 3.0m, the length of the pool is 3.6m, and the operating water depth of the fish inlet is 1.5-2.3m. Fishing season is from April to July every year.
[0060] In the case of no water replenishment, the water flow velocity at the fishway inlet is less than 0.2m / s (statistical value of the induction flow velocity of the four major fishes) when the downstream high water level is running. If the flow velocity is too small, it is difficult for the target fish to find the fishway entrance, which greatly affects the passing fish. Effect. In order to increase the water flow velocity at the fishway inlet and form a good water flow condition for attracting fish, it is necessary to replenish water at the inlet, but how to control the water replenishment flow so as not to cause the flow state of the fishway inlet and the water flow inside...
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