Fluid Bed Dryer has a rectangular or long trough structure. The working area of the fluid bed is made of perforated plate, thin steel plate punching, fine wire braid or alumina sintered into porous ceramic plate. When do the drying word, the granular food raw material from the feeding device spread on the porous plate to form a layer of material thickness, then the hot air goes through the porous plate, the board material are dried and heated, while the board of food raw materials were boiling, just as fluid flow which called fluidized state. Material due to fluidization accelerates movement to the export, dried materials goes through the discharge port outside the machine, the low temperature air with moisture heat transfers from the exhaust outlet.
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