... 4.Stable structure Rotary Dryer Introduction:The rotary drier is widely used for drying the chalk slags, coal powder, slags, ... in building materials, metallurgy, chemical industry, cement plant for drying of limestone slag, coal powder, slag, clay stone. This ... transportation.Performance Characteristics of Rotary Dryer:This series drier is used for drying materials with humidity or granularity in the ...