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1979年冶金矿山井下爆破发生伤亡事故30起(比1978年增长一倍),死亡41人(比1978年上升50％),伤26人,问题很严重。其中,因单个点火人未离开炮就响了引起的19起,打盲、残炮造成的7起,看回头炮造成的2起,天井放炮时石块从吊罐孔飞出打人致死的1起,打漏斗时盲炮未处理而装漏斗时用电焊引起爆炸的1起。这些事故多是违反《冶金矿山爆破和炸药生产安全暂行规程》第59条和第52条规定所造成的,基本上是重复事故。上述事故中,由于单个点火爆破和看回头炮引起的约占70％,而其中主要是由于单
In 1979, there were 30 casualty explosions in the underground mine of metallurgical mines (doubling those in 1978), 41 deaths (up 50% over 1978) and 26 wounded people. The problem is grave. Among them, due to a single igniter did not leave the gun rang caused 19, blinding, cannon caused by 7, see the back of the gun caused by 2, when the patio blasting out from the jar hole hit lethal 1, hit the funnel when the blind gun untreated funnel installed with a welding explosion caused by 1. These accidents were mostly caused by violating the provisions of Article 59 and Article 52 of the Provisional Regulations on the Safety of Blasting and Explosive Production in Metallurgical Mines and were basically repeated accidents. Of the above accidents, 70% were attributable to a single ignition blast and a lookback gun, of which mainly due to single