... operation Instruction:Indirect heat transfer type rotary dryer is used to dry the wet material with the requirements of anti ... humidity, such as sawdust, pellets, bricks, grain, straw.Rotary drum dryer adopts three lays low-speed rotary, dispersing raw materials ... dry. Rotary Drum dryer has been widely used in biomass, fertilizer and feed industry.Rotary Drum dryer is mainly used building materials, ...