... drum dryer is to dry some powder and big output materials with high humidity, such as sawdust ,stalk,straw ect The ... drier is mainly to dry some powdered and big output materials with high humidity, such as sawdust, pellets, bricks, grain,straw. ... adopts time lays low-speed rotarying, curved plate hammering,dispersing raw materials with high moisture, moisture.evaporative capacity is 0.3-1ton. ...