coal technology crusher
Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . The earliest of these were in the foundries, but as coal took hold the larger operations became the coal breakers .. With the rapid development of mining technology, the cone crusher can be divided into four types: compound.coal technology crusher,Coal Preparation Technology | Coal Preparation - TechnoMineThe rotary breaker acts as a crusher as well as a screen. Coal, being softer, gets broken and passed through the aperture of the breaker and the shale particles.