New Design Three Drum Sand Rotary Dryer 1.High technology,heating efficiency 80% 2.heat-resisting anti ... Design Three Drum Sand Rotary DryerOur new design three drum sand rotary dryer is developed on the common rotary drum dryer, which enhance the heating ... .ApplicationThree drum rotary dryer is mainly for the materials with some water contact, such as drying sand, slag, coal, fine ore, mineral, quartz ...