Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . Throughout most of industrial history, the greater part of crushing and mining part of the process occurred under . interests and relocated to Coalbrookdale with its plentiful coal mines, water power and nearby ore supplies.crushers in coal mining,crushers in coal mining,Tipping coal into one of the primary crushers. - Image - Mining .Tipping coal into one of the primary crushers. . crushers. Location of Cerrejón coal mine. . Coal seams are prepared for mining by cleaning the top of the seam.
crushers in coal mining