frac sand washing machine
Sand Washing Machine | Wheel & Spiral Type Ore Washer . In addition, the spiral log washer can classify the sand by size. Spiral washing machine suited for abrasive, refractory material, cement, quartz, steel sand, slag powder, copper ore, iron, gold, gravel, frac sand, concrete aggregate, asphalt aggregate and other fine and medium-sized material. it has great features of energy-saving, durable .