... 2012 hot selling Durable rotary drum dryer rotary drum dryer structure:Rotary dryer is formed by rotary body,lifting blade, driving ... The rotary dryer made by Zhengzhou HUADE company is mainly used in buliding materials, metallurgy, chemical plant, cement plant for ... construction industry: Blast furnace slag, clay, Peng Yun soil, lime stone, sand, quartz stone etc.3. Ore processing industry: ...