How To Carry Out Open-Pit Mine Blasting?
Open pit mining process mainly includes perforation blasting, mining and loading, transportation and dumping.
Perforation blasting is to drill a certain diameter and depth of directional blasting hole in the open pit mine rock, and use explosive blasting to break and loosen the mine rock.
The perforating equipment mainly includes percussive drilling machine, down the hole drilling machine and cone drilling machine, etc. ammonium oil explosive, slurry water resistant explosive, emulsion explosive and granular emulsion explosive are mostly used.