... known as rotary drum dryer. It is widely used in the field of building materials, metallurgies, chemical industry, cement and ... , sludge, sand, fly ash, gypsum, mineral slag etc materials.The rotary dryer mainly consists of revolved body, raise material board ... 45104.9Notes:This parameters are just for reference,which should be changed accordingly. High quality rotary dryer for coal/coal slime/sand/fly ...