... humidity, such as sawdust, pellets, bricks, grain,straw. Rotary drum dryer adopts three lays low-speed rotarying,dispersing raw materials with ... .3-1ton. Compaied to other type driers, the rotary drum dryer is more convenient ,RPM can be controled and efficient to ... .now, it has been widely used in biomass, fertilizer and feed industry . Model GHG12×8GHG13×12GHG16×12Power (kw)2.2+5 ...