Rotary Sludge Dryer 1. High thermal efficiency 2. Energy saving 3. Low consumption 4. Easy to operate Rotary Sludge Dryer The Working Principles of the dryer Industrial sludge dryer is made of heat source,crushing device,belt feeding machine, feeder,rotating drum,belt discharging machine, induced draft fan, discharging machine and power distribution cabinet. The drying process can be divided into ...