Spiral sand washing machine is a commonly used sand and gravel cleaning equipment. It is mainly used to clean impurities in sand and gravel to improve the quality of sand and gravel. Here's how it works: 1. The spiral sand washing machine is composed of motor, reducer, spiral blade, water tank, bottom plate and other parts. The motor drives the spiral blades to rotate through the reducer. 2. When working, put the sand and gravel to be cleaned into the sink. After the motor is started, the spiral blades start to rotate. 3. The rotation of the spiral blades will cause the sand and gravel to continuously roll and rub in the water tank, thereby separating the soil, impurities and other attachments on the surface of the sand and gravel from the stone particles. 4. During the tumbling process, the spiral blades will also transport the cleaned sand and gravel from the bottom of the water tank to the outlet of the machine. 5. At the same time, water during the cleaning proce…