Sand dryer can dry river sand, dry-mixed mortar, yellow sand, cement plant slag, clay, coal gangue, mixture, fly ash, gypsum, iron powder, limestone and other raw materials.

• The material first goes into the inside drum, because there are the spiral shape boards fixed in the drum, when the dryer make rotary working, the spiral shape board will stir the material and make the material do movement.
• When the material reaches the right side of the drum, it will go into the second drum for further drying.
• The same working principle, the materials then goes into outside drum, during the drying working process, the materials will make three times drying, so the material can be dried completely in this process.