Coal Petcoke Mill Explosion Grinding Mill China
Apr 28, 2013 Roller Mill for coal and petcoke grinding ,Coal Roller Roller Mill for coal and petcoke grinding. 4.8 (2853 Ratings).Most underground mine explosions are due to a build-up of methane which is then ignited by a spark, usually from a piece of equipment or a friction event. However, spontaneous combustion or heating of coal in situ can also act as an ignition source which, together with elevated methane concentrations, will result in a mine explosion.
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