... , mine, building materials, chemistry, food and fertilizer, etc. This rotary drying machine comes with thermocouples on the feeding and discharging ... the working temperature (generally 350-380° ) of the rotary drier.Rotary Drier Components: Rotary drier is mainly composed of cylinder, under frame, ... that they are in full contact with the hot air. The material is thus dried gradually. we can provide ...