The working principle and characteristics of rotary vacuum dryer

The rotary vacuum dryer provides a clean, simple and effective method for drying wet cakes, powders, and slurries. Compared to the tray dryer, the labor and energy costs are relatively small, and the product loss during the processing can be ignored. In addition, valuable organic solvents can be easily condensed and recycled.

Work principle: Drying in a rotary vacuum dryer is a batch operation under vacuum. It is possible to dry thermosensitive materials far below the boiling point of water and solvents. The drying time depends on the material being dried, the amount of solvent or water to be removed, the expected final moisture content, and the allowable jacket temperature. The size range of the dryer ranges from 100 liters to a total volume of 20000 liters. The volume of wet material loaded into the dryer is usually limited to 40-45% of the total volume.

Significant characteristics

Equip mixers with different designs based on the materials to be dried; The unique quick opening exhaust valve can directly package dry products into bags or barrels. Provide circuit breaker rods to prevent clumping and allow for quick and complete drying, or use mechanical seals for shaft seals.