... the materials would be dryed. Rotary dryer is used to dry slag, clay, limestone, It is mainly used for cement, chemical, metallurgical, building ... used widely.Indirect Heat Transfer Drying Equipment: It is used for drying materials with humidity or granularity in the industries of ... 75 YR280M-4 ZL100-16-I 41.52 104.9 High Efficiency Rotary Drum Dryer Price