CLEANING AND OPERATION OF FLUID BED DRYER
FLUID BED DRYER is used in the granulation process for drying the material to get desired moisture content. If the air is allowed to flow through a bed of solid powdered material in the upward direction with the velocity greater than the settling rate of the particles, the solid particles will be blown up and become suspended in the air stream. At this stage, this solid bed looks like the boiling liquid, therefore this stage is called as fluidized.
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