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海州立井采用火区外围堵漏、封闭注氮、注凝胶等综合灭火措施,扑灭了3312放顶煤工作面火区,火区启封后,又采用开放注氮、注砂、注高水黄泥胶泥等综合防火措施,抑制了火区的复燃。
Sea State wells using fire outside the plugging, closed injection of nitrogen, gel injection and other comprehensive fire fighting measures, put out the fire area 3312 caving coalface, the fire zone after unsealing, and the use of open nitrogen injection, sand injection, injection of high water Yellow clay mortar and other comprehensive fire prevention measures to curb the resurgence of the fire area.