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封闭型煤层自燃是神府煤田煤层自燃的形式之一。事实证明，这是一种有别于开放型煤层自燃机理的自燃方式，封闭型煤层自燃具有隐蔽性，对矿井生产危害极大，必须高度重视。
Spontaneous combustion of closed seam is one of the forms of coal spontaneous combustion in Shenfu coal field. It turns out that this is a kind of self-ignition mode that is different from the spontaneous combustion mechanism of open coal seam. The self-ignition of closed coal seam has the characteristics of concealment and great harm to mine production. Therefore, it must be highly valued.