[email protected]
banner

Coal Crusher Firing

A.Abutment - in coal mining, 1 the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway and 2 the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

Get Price

NEED A QUESTIONS?

If you are interested in our products, or have any questions for us, you can click the button below

Contact Us