eeding(3) Inspect the whole drying process or dryer washing process via observation window3. Low energy consumption(1) The driven motor of dryer consumes very less power.(2) Drying through indirect heating, which has high efficiency.4. Friendly operation environment, solvent can be recovered.(1) Air speed and air volume in drying chamber is very less, powder material is barely blow up.(2) There has very big range of moisture content between bottom hot plate layer and top hot plate layer, dried p