Brief introduction Base on yearsâ?? experience and technology, LSX spiral sand washing machine is designed to provide bigger capacity and higher cleaning level than traditional one. It is also called â??stone washing machineâ?� as its input material size is at most 30mm. Now it is widely used for cleaning materials in quarry, minerals, building materials, transportation, chemical industry, water conservancy and hydropower, cement mixture station and so on. Features 1. Three functions: cleaning, dewatering and grading. 2. Cleaning and upward conveying at the same time. 3. Low water consumption. 4. Impellers use wear resisting plate or polyurethane material so as to reduce the running cost. 5. Designed according to low volume and low investment.