Fish screening device for fish lift
A technology of screening device and fish lifter, applied in application, fish farming, animal husbandry, etc., can solve problems such as adverse effects on the natural environment, and achieve the effects of high screening efficiency, accurate screening and little damage
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[0020] This example is used for the fish screening device of the fish elevator, such as Figure 1~5 shown. It mainly includes two parts, the sorting pond 1 and the holding pond 7. A two-stage sorting room is arranged at the head of the sorting pond 1, and a fine mesh screen 2 and a coarse mesh screen 3 are respectively arranged in the two-stage sorting chamber to lift the fish. The fish fry collected by the machine-collecting fish box are put into the sorting room where the fine mesh screen 2 is located, and the fine mesh screen 2 is lifted for the first screening, and the small fry are screened and then put into the sorting room where the coarse mesh screen 3 is located. Lift the coarse mesh screen 3 to carry out the second screening, after sifting out the middle-sized fry, put the adult fry into the middle part of the sorting tank 1 to select and identify the fishway, and through the middle part of the sorting tank 1 to select and identify the fishway. Select the recognitio...
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