... ,1500mm,1800mm,2000mm,2200mm,2400mm,2600mm,2800mm,....,4200mm.2.What's the usage of rotary dryer?Rotary drier is widely used ... control drier temperature. The temperature change of drier's feeding end can be indicated by the thermometer to control the inner drier temperature ( ... is dried by repeatedly scattering5.our rotary dryer's advantages are as follows:The process of dryer is very advanced, which ...