1. Home >
  2. types of coal mining

types of coal mining

The underground method of coal mining currently utilizes two main techniques room and pillar mining and longwall mining 1 Room and pillar mining involves cutting a system of rooms within the coal seem Pillars are left in order to support the roof of the cut into coal seem In a secondary mining method called retreat mining coal is systematically collected from the pillars allowing the mine to close in

Get Price

Relate Product


Are You Looking for A Consultant?

Click avatar to contact us