Comprehensive Prevention of Coked Coal Body Fully Mechanized Coal Face Natural Harm
Gong Bang-jun · Coal Technology · 2007
Daxing Coal Mine N2-405 face is influenced by igneos roke,so coal body becomes bad and coked serious,natural catch fire easily.Through studying on CO source and natural catch fire paremeters,equal pressure ventialation is drawn up and put into effect during working.A series of comprehensive fire prevention measures about shield support full negntive pressure vent lating way is used by gob area oxidizing band pressure poured nitrogen,three item foam,full of river sand,float coal spray,stopping agent and returning to remove.It gets a best fire prevendon,effect,prevents natural catch finre accidents,ensures safe stoping to be finished of working face.