Fluidised Bed Dryers Utilisation and Definition
Fluid bed dryers are found throughout all industries, from heavy mining through food, fine chemicals and pharmaceuticals. They provide an effective method of drying relatively free flowing particles with a reasonably narrow particle size distribution. In general, fluid bed dryers operate on a through the bed flow pattern with the gas passing through the product perpendicular to the direction of travel. The product is discharged from the same section.
- With a certain velocity of gas at the base of a bed of particles, the bed expands and particles move within the bed.
- High rate of heat transfer is achieved with almost instant evaporation.
- Batch/Continuous flow of material is possible.
- The hot gas stream is introduced at the base of the bed through a dispersion) distribution plate.
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