Fire Extinguishing Technology Based on Surface Borehole Grouting to Seal Mine Roadway for Insulation of Fire Zone
Abstract：According to the spontaneous combustion danger of coal left in a goaf near Wudanggou Mine Shaft of a small mine closed to Daliuta Mine Shaft of Daliuta Mine affected to the safety mining in Daliuta Mine Shaft,under the condition of the mine roadway of Wudanggou Mine seriously fallen and sealed,the connection gateway between the Daliuta Mine Shaft and the goaf in Wudanggou Mine Shaft seriously fallen and no fire extinguishing measures could be done from the two sides in the underground mine,the surface drilling,dry coarse and fine aggregate pouring,penetration grouting and static grouting combined method was applied to build a sealing wall to seal the mine roadway and to insulate the firing zone in the goaf for the fire extinguishing.The practices showed that the technology was feasible,the technique was simple and the effect was remarkable.
Keywords：coal combustiondrilling and groutinggrouting techniqueinsulated fire zonesealing wall of fire extinguishing
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 52-54 )