... ,chemical products,fertilizer etc. Principle of workrotary drum dryer is tilted slightly and the cylindrical rotationg body,the wet ... the upper part.The performance characteristicsDrum-type drier’s evaporation capacity is generally 30-80kg/m3•h, with the increase ... is between 60°C and 600°C, in principle, the higher the temperature, the higher the evaporation intensity. good sale rotary drum dryer ...