A rotary vacuum dryer is utilized to dry filtered cake and slurries. It consists of a horizontal cylinder which is covered with a jacket and an empty agitator. Vacuum power provides drying and the jacket provides the heating through. The dryer has a simple working principle to dry wet cakes and slurries. Even heat sensitive materials can be dried with vacuum and agitation.
Rotary vacuum cleaners provide uniform drying in each cycle. Also cycle time is reduced when it is compared to other types of dryers. Since the material is not exposed to high temperature for a long time, there is no degradation.