... , metallurgy, and chemical industry.2. what the rotary dryer consist of?the dryer is formed by rotary body, lifting blade, driving ... , gas, electricity, oil and wind power to heat the dryer machine.4. How the rotary dryer to work?The raw material plate is ... , constant feeding machine, dust collector cyclone. Draft fan and so on. The Rotary dryers has been optimized a lot , which possesses ...