Rotary dryer: 1.High drying efficiency 2.Low energy consumption 3.Direct&professional rotary dryer manufacturer Introduction of rotary dryer:Rotary dryer is also known as rotary drum dryer. It is widely used in the field of building materials, metallurgies, chemical industry, cement and so on.The dryer can be used to dry coal, coal slurry, sludge, sand, fly ash, gypsum, mineral slag etc materials ...