The invention discloses an outer water discharging pump submerging and floating sand intercepting
bank preventing excessive
sediment from entering a water taking port. The outer water discharging pumpsubmerging and floating sand intercepting
bank comprises a fixedly-arranged surrounding cavity type fixed sand intercepting
bank body, a sealed submerging and floating box located in a fixed sand intercepting bank body surrounding cavity, a water discharging pump arranged outside the fixed sand intercepting bank body, a sensor for monitoring the deposition height of the
sediment, a sensor for monitoring the
water level and a center
control unit. A body structure of the submerging and floating box and a body structure of the fixed sand intercepting bank body surrounding cavity are matched, anda guiding structure piece and a limiting structure piece limiting the floating distance of the submerging and floating box are arranged between the submerging and floating box and the fixed sand intercepting bank body surrounding cavity. According to the submerging and floating sand intercepting bank, when the
sediment deposition in front of the sand intercepting bank is higher than the limitingelevation, the submerging and floating box floats, the elevation of the sand intercepting bank is increased, and after the temporary sand prevention task is finished, the submerging and floating box submerges into the fixed sand intercepting bank body surrounding cavity, and the sand intercepting
normal state is recovered. According to the outer water discharging pump submerging and floating sandintercepting bank, the submerging and floating box is made to float and submerge by controlling and changing the
water level in the fixed sand intercepting bank body surrounding cavity, increasing andreducing of the sand intercepting bank elevation are achieved, operation is simple, and feasibility is high.