QI Zheng-fei. Fire Area Control of Upper 9# Coal Seam Small Well in Gongwusu Coal Mine 1604 Working Face[J]. Safety in Coal Mines, 2013, 44(10): 138-139,140.
Citation:
QI Zheng-fei. Fire Area Control of Upper 9# Coal Seam Small Well in Gongwusu Coal Mine 1604 Working Face[J]. Safety in Coal Mines, 2013, 44(10): 138-139,140.
QI Zheng-fei. Fire Area Control of Upper 9# Coal Seam Small Well in Gongwusu Coal Mine 1604 Working Face[J]. Safety in Coal Mines, 2013, 44(10): 138-139,140.
Citation:
QI Zheng-fei. Fire Area Control of Upper 9# Coal Seam Small Well in Gongwusu Coal Mine 1604 Working Face[J]. Safety in Coal Mines, 2013, 44(10): 138-139,140.
Fire Area Control of Upper 9# Coal Seam Small Well in Gongwusu Coal Mine 1604 Working Face
Gongwusu Coal Mine 9# coal seam small well uses the method of injecting liquid nitrogen fire extinguishing method in ground and pressure balancing ventilation at 1604 working face ventilation to control of the fire.
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