Zhengzhou Hengxing has single-spiral or double-spiral sand washer for choice. This kind of sand washing machine is mainly used for sand washing processing, especially for the sand with clay and impurity. Washing: The sand is feeding into the sediment pool from the feeding box, acting by rotating screw, the sand is turning and rolling and grinding each other to eliminate impurity and water-air layer around sand to facilitate de-water. The fresh eater rising current from the porous plate carry foreign matter to water surface and overflow the weir plate, to finish washing processing
