Impeller sand washing machine is mainly used for desilting, dewatering and grading in sand washing operations such as sand and gravel plants and artificial sand industry. This equipment is an efficient Sand Washing Machine. It is a wheel bucket type sand washing machine with small floor area, simple structure and high working efficiency. The impeller drive bearing device of this equipment is isolated from water and water-receiving materials to avoid bearing damage caused by water intrusion and sand entry, which greatly reduces the failure rate. When the sand washer is working, the loss of fine sand and stone powder is small, and the cleaning degree is high, which can meet the industrial standard requirements.