... in pellet manufacture line 4. 7.5+3kw The rotary drum drier is mainly to dry some powder and big output ... high humidity, such as sawdust, pellets, bricks, grain,straw. Rotary drum dryer adopts three lays low-speed rotarying,dispersing raw materials ... 0.3-1ton. Compaied to other type driers, the rotary drum dryer is more convenient ,RPM can be controled and efficient ...