井下放炮炮烟熏人事故在我局很多矿井时有发生。尤其在全断面一次爆破使用炸药量较多的全岩巷道放炮,发生此类事故更为突出。此类事故发生大都由于现场人员抢救及时,造成致命伤亡的较少,因而未能引起我们思想上的重视和注意。甚至有的同志认为在低沼气矿井或全岩巷道掘进中放炮时,瓦斯涌出量少,不至于使人窒息死亡。他们只注意了煤岩中客观存在的有害气体涌出的影响,而忽视了炸药爆炸产物中的有毒 Underground blasting gun smoked accident occurred in many mine in our bureau. Especially in the whole section of a blasting the use of explosives more whole rock lane blasting, such accidents are more prominent. Most of these accidents were caused by on-site personnel rescue in time, resulting in fewer fatal casualties and thus failing to attract our attention and attention. Some comrades even think that when low-pressure gas mines or tunneling in whole rock tunnel are fired, gas emission will be small and suffocation will not be killed. They only pay attention to the impact of the objective existence of harmful gases in coal and rock, ignoring the toxic substances in explosive explosives