A rotary dryer is used to minimize the moisture amount of substance fed by utilizing heated gas to obtain a more ideal material. The dryer consists of inclined drums frequently fitted with inner lifters which rotates gradually. So the feed to be dried flows with the cascading movement in crosscurrent with heating gas in this rotation. The type of solid and the feed affects the gas flow’s direction.
- Rotary dryers are less precise to particle dimensions.
- Rotary dryers can operate with any type of dryers shaft gas.
- Rotary dryer is economical; it has low maintenance cost.
- Rotary dryers have the highest capacity when compared to other types of dryers.