Fish guide device for pump and axial flow pump/tubular flow pump station

Abstract

The present disclosure provides a fish guide device for a pump. An axial flow pump blade is located in a runner chamber. A fish guide ring mounted on a wall surface of the runner chamber is arranged at an inlet of the axial flow pump blade. A fish guide cap is mounted on a hub of the axial flow pump blade. A plurality of jet holes are provided on the fish guide ring, to form a jet to guide fish to the fish guide cap. A plurality of fish guide grooves are provided on a surface of the fish guide cap. The present disclosure allows the fish to enter a flow channel of an axial flow pump. This can improve the survival rate of fish and allow the fish to smoothly pass through the axial flow pump.

Dependencies are inferred from the claim text.