1. General description of High Efficiency fluid bed dryer GFG series high efficiency fluidized bed dryer is a batch type drying machine which has been widely used in foodstuff, chemical, feedstuff, health products industry and so on for drying powder and granule materials. When air is purified and heated, it is introduced from the bottom of exhaust fan and passes through screen plate of raw material. In working chamber, the state of fluidization is formed through stirring and negative pressure. The moisture is evaporated and removed rapidly and raw material is dried quickly. 3. Features of High efficiency fluid bed dryer 1. The structure of fluid bed is of round so as to avoid dead corner. Inside the hopper there is a stir in order to avoid agglomeration of raw material and forming canal of flow. (Small machine does not support stirrer) 2. The granule is discharged through the method of turning over. In this way, it is very convenient and quickly. Discharging…