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鹤岗矿业集团公司南山煤矿西一区18#层一分段综放面在开采过程中,其采空区与上履煤层采空区大范围联通,存在发火隐患。采取向采空区注氮气、利用罗克休树脂封堵漏风源、调整采空区压力平衡关系等多种手段,有效的控制并逐渐消除采空区联通时自然发火的隐患。
During the mining process, the 18 # stratum-1 fully mechanized top-coal caving face of Xiyi District, Hegang Mining Group Company has a wide range of connectivity with the goaf of the goading coal seam, which poses a potential fire hazard. In order to effectively control and gradually eliminate the hidden dangers of spontaneous combustion in the goaf, the nitrogen injection to the goaf, the use of Rockets resin plugging the source of air leakage, and adjusting the pressure balance in the goaf.