Sand drying: a fluid bed dryer processes granular, free-flowing materials include sand, minerals, clays, etc.
In a fluid bed, the material being dried is suspended and completely surrounded by the drying air or gas, causing that material to behave like a fluid. Besides keeping the material in a seemingly liquid state, the gas stream is the media for heat and mass exchange. As a result of the intimate gas-to-solids contact, very high rates of heat transfer are accomplished while the sand […]
