Roller dryer is a necessary equipment used in the mineral processing line to handle a large number of materials. As reliable operation, operating flexibility, adaptability, large capacity, widely used in metallurgy, building materials, food, light industry, chemical industry, coal, medicine and mineral selecting. Back around cylinder dryer generally adapted to granular materials, mixed materials can also be used for some way to dry and sticky paste materials or materials with higher water content. It features of reasonable structure, high effficiency and productivity, and low energy cost.
