1. Home
  2. > instrument in coal mining
instrument in coal mining

instrument in coal mining

More than two-thirds of coal extracted underground is done by a "continuous miner," atractorwith a mounted cylindrical grinder that breaks coal away from the seam. The continuous miner deliberately leaves undisturbed pillars of rock and coal in the mining area to create natural supports for the ceiling. This is known as "room and pillar" mining.

[email protected]
Get a Quote Chat Online

News List

Chat Online
Click avatar to contact us