... For this reason, it is used widely. Indirect heat transfer Rotary dryer: It is used for drying materials with ... Therefore, it has been widely used. Export country of the Rotary dryer: India, Vietnam, Kazakhstan, Mongolia, Ecuador, Iran, Pakistan ... and areas. Main Technical Parameters of the Rotary dryer: Specific-ations(m)Capacity(t/h)Main ... .9 sawdust, sand, coal, clay indirect Rotary Dryer equipments