... limestone, coal powder,clay. Color: any color is avaliableUsed for : building material, metallurgy, chemical industuy, cement to ... demand rotary dryer: Drier is a kind of machine with a rotating cylinde which is a little ... dry slag, clay, limestone, It is mainly used for cement, chemical, metallurgical, building materials industries. Its ... 55147.8 Dryer /rotary dryer/dry machine/used for cement drying