The main purpose:

Spiral sand washing machine is suitable for the washing of construction sites, sand and gravel plants, concrete dam sites of hydropower stations, post and telecommunication pole plants and "70" sand for foundry, quartz sand in glass factories and pressure sand for backfilling oil wells. Classification and dehydration. The sand and gravel washing machine is arranged at an incline of 15°. The lower part of the sink is surrounded by a three-sided weir to form a sedimentation tank. The screw head is submerged in the sedimentation tank. The screw is driven by the motor through the reducer to continuously rotate, and the cleaning water is fed into the perforated plate at the bottom of the sedimentation tank . The equipment has three functions of cleaning, dewatering and grading.