Professional manufacturer of Rotary Dryer 1.moisture of raw materail can be reduced to below 5% 2.coal, oil, gas ... and Rotary Drier.Drier is mainly consist of rotary body, raw material feeding plate, driving and supporting device, etc3. Application of ... .4. Working principle of rotary drierIts principle of operation: the raw material plate which is arranged reasonably with changeable angles in ...