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阳泉四矿是一个开采多年的老矿,在矿界周围遍布乡镇小煤窑30余个,并常有越界开采的事件发生,多次威胁我矿的安全生产.阳泉郊区西和村小煤窑越界开采,井下自然发火产生的CO气体大量涌入我矿就是一例.1990年元月末,在我矿地面原本坑旧风井井口发现有CO涌出并伴有烟流,当即引起我矿重视,随即加强井下的检测,但当时未能发现异常.至4月19日,在我矿东、西斜井内,距井口800m处,开始发现CO,其
Yangquan four mines is a mining for many years old mine, around the mining industry all over the town more than 30 small coal mines, and often cross-border exploitation of the incident, many times threatened mine safety production. , A large number of CO gas spontaneous underground natural gas influx into mine is an example of the end of January 1990, in mine pit surface of the original pit of the old well was found to have CO emission and smoke stream, immediately aroused the attention of mine, and immediately strengthened But did not find any anomalies at that time.On April 19, in the east and west of mine, we started to find CO at 800m away from the wellhead