... alloy steel New Design Three Drum Sand Rotary DryerOur new design three drum sand rotary dryer is developed on the ... by 40%.3, Adopting heat-resisting anti-friction alloy steel, long service time, easy maintenance.4, Heating efficiency, outer drum ... with some water contact, such as drying sand, slag, coal, fine ore, mineral, quartz sand, etc.C. Technical DatasModelHSST-2000X3000ItemDatasDia(mm) ...