Dredged sand purification and high-concentration barge loading system

The invention relates to the technical field of dredging construction, and discloses a dredged sand purification and high-concentration barge loading system which comprises a barge loading platform, mud inlet pipes, mud inlet branch pipes, hydrocyclones, sand chutes, control valves, pressure sensors and a control device. The mud inlet pipes are longitudinally arranged along the barge loading platform, a plurality of mud inlet branch pipes are arranged on the mud inlet pipes, the mud inlet branch pipes respectively face two sides of the barge loading platform, control valves are arranged on themud inlet branch pipes, outlets of the mud inlet branch pipes are connected with the hydrocyclones, and the control valves and the pressure sensors are arranged at inlets of the hydrocyclones. The sand chutes are arranged below sand outlets of the hydrocyclones, one ends of the sand chutes extend out of the board and are obliquely arranged, the hydrocyclones are connected with overflow pipes, outlets of the overflow pipe