Conveyor belt is also called rubber conveyor belt, which is widely used for transporting bulk materials or packed products in mining industry, building materials industry, metallurgy industry, coal and other industries.
Three-drum dryer is also called three-cylinder dryer, whose main body is composed of three concentric circles of different diameters in inlaid combination.
Lignite is a kind of mineral coal with minimum coalification degree. Because it is rich in volatile elements, it is easy to be burnt and generate smoke.