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阳泉矿区煤层易自燃，且瓦斯含量较高，自燃火灾严重地威胁着矿井的安全生产。粉煤灰胶体灭火技术在阳泉二矿8208综放工作面的成功应用，表明该技术在高瓦斯易自燃煤层大面积火灾防治中具有显著作用。
Coal seam in Yangquan is prone to spontaneous combustion with high gas content. Spontaneous combustion and fire seriously threaten the safety of mine production. The successful application of fly ash colloidal fire extinguishing technology in 8208 fully mechanized caving mining face of Yangquan No.2 Mine shows that this technology plays a significant role in the prevention and control of large area spontaneous combustion of high gas and spontaneous combustion coal seam.