XL/XS Screw sand washer is mainly used for sand processing, electric pole factory, building work site and concrete dam, various sands classifying and dewatering. This sand washer adopts inclination of 150,under the water tub, three weir plates form the sediment pool, the screw head is immersed in this pool. the screw is driven by electric motor through reducer rotating continuously, the fresh water is feeding from porous plate at bottom of sediment pool. XS Wheel type Sand washer is widely used for cleaning materials in the following industries: quarry, minerals, building materials, transportation, chemical industry. water conservation and hydropower. cement station and so on.