Agglomerated powders are obtained in systems based upon the integrated fluid bed or belt and a multi-stage concept where moist powder, produced during the first drying stage, forms agglomerates, which are after-dried and cooled in the following stages.
THE COMPACT DRYERTM (CD)
The Compact DryerTM is a spray dryer with integrated fluid bed. The spray is created by either a rotary atomizer or nozzles. The location of the fluid bed within the drying chamber (annular ring around the air outlet) permits drying to be achieved at lower temperature levels, resulting in higher thermal efficiencies and cooler conditions for powder handling. The plant can be equipped with a pneumatic transport system for ordinary powders, or with an external vibrating fluid bed for agglomerated powders.
SIMPLIFIED FLOW SHEET:
FURTHER READING:
Processing Plants for the Food & Dairy Industries - Catalogue (PDF)