Rotary dryer is the most commonly used drying equipment. It has the advantages of simple structure, reliable operation, high efficiency, ... dregs. http://www.pe600.com/Ore-Equipments/Rotary-Dryer.html Rotary dryer structure features: Dryer consists of wet material belt machine, a ... precipitator, exhaust fan, a chimney, spiral conveyer. Rotary dryer is the subject of a rotating cylinder with certain ...