The spiral sand washer is a high efficient and multi-functional water washing equipment, which is composed of a spiral sand washing machine and a dewatering screen and hydrocyclones. Compared to the purchase price of equipment alone, the choice of spiral sand washing machine is undoubtedly more cost-effective. The spiral sand washing machine consists of spiral sand washing device, overflow device, water reverse device, separation and recovery device, water storage tank, slurry pump, elrctro motor, reducer and so on.