Scope of application: 1.Drying raw material of damp granule and powder in pharmaceutical, industry, foodstuff industry, feed industry, chemical industry and so on. 2.Big granule, little block, stickiness granule row material; Raw material whose volume is changed after dried. working principle: Through the heating of air high-speed draught is formed by the gas distribution board to make the material in question boil, thereby dispelling the moist draught and achieving the goal of drying. This dryer is composed of dryer air filter, air heater, draught fan , and automatic temperature controller. features : high drying speed and uniform temperature; hermetic and unpolluted draught after being filtered; and simple operation and easy cleaning. It is therefore, an advanced drying equipment conforming to G.M.P requirements.