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RCVD (Rotocone Vaccum Drier)

Raw material is charged in batches & is subjected to indirect heating while at the same time undergoing rotary motion of the cone assembly. The conical shape of the dryer ensures efficient circulation of hot liquid heating media. Drying takes place when heat flows from outer cone through a jacket, and vacuum is applied in the inner cone. The drying operation is based on the principle that water or other volatile product moves from a zone of low pressure. This is accomplished by warming the product to be dried to raise the vapour pressure of the absorbed or free liquid by vacuum or by sweeping it with Air or Nitrogen current. Thus the essential conditions for effective drying are achieved by uniform heat transfer throughout the batch and rapid removal of the vapour. The vacuum is applied gradually with PLC control by throttling.

Rotary Double Cone Vacuum Dryer is unique in removing complete water, or other solvent from wet powders coming from a filtration unit or a centrifuge. It can be used as an effective dryer, fast mixer & blender or homogenizer. It can also be used as a granulator.

The drying time is substantially reduced because of high-speed choppers, which help the evaporation of the solvent or moistures. Chopper speed can be controlled by a frequency drive. Dryer are manufactured as per “US-FDA” Standards & Regulations.

Salient Features

  • Low temperature drying under vacuum
  • Higher Thermal Efficiency
  • Specially designed micro air-filter can be provided on receiver while breaking vacuum for safety operation