Sand washer/Sand washing machine is used to remove the dust and stone powder in the sand and slag pellets, lt aims at improve the quality and grade of the sand.Sand washing machine is widely used for cleaning the crushed materials in the following fields: quarry, mining, building-site, construction materials, chemical industry,water conservancy and hydropower, cement mixture station and so on.There are no other wearing parts except the screen mesh. The bearing device of impeller drive is separated from water and materials with water, to avoid in a large degree that the bearings are damaged by being soaked with water, sand or some polluted things.There is little loss for medium-sized and fine sand and stone powder. The grade and the fineness of the sand for construction after being washed can be up to the national standards, such as "sand for construction" and "cobble and broken stones for construction".lt is of simple structure, large processing capacity, low energy consumption, water saving, fewer sand loss and convenient maintenance.