pharmaceutical, food, plastic,, slang. salt, sugar and so on, for drying. cooling and wetting. The drier is suitability in chemical industry, light industry, Raw material is fed into the machine and moves forward continuously along with the level of fluidized-bed under the action of vibration. The hot air passes through fluidized-bed and carries out heat exchange with damp raw material. Then the damp air is exhausted out through cyclone separator and the dry raw material is discharged through discharge outlet.