Three-drum dryer is also called three-cylinder dryer, whose main body is composed of three concentric circles of different diameters in inlaid combination.
Trommel screen is also referred to as rotary screen, which is a new kind of screening equipment according to the particle size of material. It has simple layout, which mainly consists of inlet and outlet, motor, reducer, frame, roller device, etc.
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.
Sawdust is also known as wood chips, which is the foam shaped objects fall down from the wood during the wood processing process.
Cassiterite is usually a yellowish-brown to brownish-black mineral. In order to make full use of cassiterite, it is necessary to make a series of processes such as crushing, beneficiation and purification.
Toothed roll crusher is also called teeth roll crusher, which is also a kind of roll crusher. Toothed roll crusher has two relatively rotating rollers with sharp teeth on them.