Spiral/Screw sand washing machine, mainly used in road, hydropower, construction and other industries of washing, classification, removal of impurities, as well as fine-grained and coarse-grained materials cleaning and other operations. The utility model has low power consumption and high cleanliness. Good sealing structure, fully sealed transmission device, adjustable Weir plate, ensure the equipment is efficient, durable, cleaning, dehydration effect is good, fine grain products to maintain stability and so on.
When working, the power device drives the impeller to rotate slowly after decelerating through triangle belt, reducer and gear, and sand and stone are washed by feeding trough into the washing tank and the spiral sand washing machine. The clean sand and gravel are removed by the blade, and finally the sand is poured into the discharge tank from the rotating impeller to finish the cleaning of the sand and stone.