... slag, industrial waste, and clay stone. Advantage of rotary drum drier for drying sand or stone:1. High thermal efficiency2. Low ... Alloy steel plate or stainless steel plate4. Convenient transportationTechnical Specifications for your reference: TypeInclination (%)Rotation speed(r/min)Input temperature ... : United Kingdom, Italy, Greece, etc. High capacity rotary drum drier for drying sand or stone