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介绍了象山矿 280总回风巷火区锁风侦探、逐段缩小火区、启封火区的过程，得出火区侦察、锁风启封、逐步逼近火区技术是高瓦斯矿井火区启封行之有效的方法。
Introduced Xiangshan Mine 280 total return air lane fire lock wind detective, paragraph by paragraph to reduce the fire area, the process of opening the fire area, arrived at the fire area reconnaissance, lock the wind to close, and gradually approaching the fire area is high gas mine fire zone unsealed line effective method.