Sand washing machine is a washing equipment for artificial sand (including natural sand). Sand washing machines are widely used in industries such as sand and gravel fields, mining, building materials, transportation, chemical engineering, water conservancy and hydropower, and concrete mixing plants for material washing. They can remove impurities covering the surface of sand and gravel, while also breaking the water vapor layer covering the sand particles to facilitate dehydration and play a role in sand washing and cleaning. Sand washing machine, also known as stone washing machine, is mainly used for removing impurities (such as dust) from sand products. Due to the frequent use of water washing methods, it is called sand washing machine. Among them, it is also known as a stone washing machine because it is generally used for machine sand (made by crushing stone materials). Due to their different appearances and principles, they are also known as spiral sand washing machines, drum sand washing machines, water wheel sand washing machines (also known as wheel sand washing machines), vibration sand washing machines, etc.