... dryer is widely used for drying the chalk slags, coal powder, slags, clay and other materials in the building materials, ... chemical industry, cement plant for drying of limestone slag, coal powder, slag, clay stone. This dryer is formed of rotary body ... used. Rotary Dryer Techinical Parameter of H Series Rotary Dryer: Model (mm)Obliquity(%)Rotation speed (r/min)Feeding temperature (degree)Power ...