... Fuel: gas, coal, oil! Dryer / rotary drier / rotary dryer Drier Rotary dryer is an industrial dryer that is used to dry material by eliminating ... content. As a kind of Mining machine, the rotary dryer is widely used to dry a variety of material such as slag ... , clay, limestone, cement, chemicals, etc. It is used in the construction industry, chemical industry, metallurgical industry, just to ...