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本文叙述了兖州矿区无煤柱综放采煤自然发火的特点。对综放工作面开发应用了以注氮为主其它措施为辅的综合防治措施。实践证明，在兖州矿区是行之有效的。
This paper describes the characteristics of spontaneous combustion of non-pillar coal caving mining in Yanzhou Mining Area. The fully mechanized Caving Face development and application of nitrogen-based injection of other measures, supplemented by comprehensive prevention and control measures. Practice has proved that in Yanzhou mining area is effective.