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今年3月15日凌晨2时39分,哈尔滨亚麻纺织厂发生特大爆炸火灾事故。梳麻、前纺、细纱和准备4个车间受到不同程度的破坏。有179人受伤,56人死亡,损失惨重。对于这次事故的原因,当时莫明其妙,届经各方面专家调查,认定是粉尘爆炸引起的。粉尘为什么会爆炸?原来,颗粒很细的可燃粉尘,悬浮在空气中,达到一定浓度,遇到火源,发生激烈的燃烧,同时产生大量的热和很高的压力,就形成了爆炸。这与可燃气体与空气混合,达到了一定浓度,遇火爆炸很相似。由此可见,粉尘爆炸,也必
At 2:39 a.m. on March 15 this year, an extra-large bang fire accident occurred at the linen textile mill in Harbin. Combed hemp, front spinning, spinning and preparation of four workshops were damaged to varying degrees. 179 were injured and 56 were killed, causing heavy losses. For the reasons for the accident, was inexplicably, after investigation by experts in various fields, identified as dust explosion caused. Why did the dust explode? The original, fine particles of the combustible dust, suspended in the air, to a certain concentration, encountered a source of fire, the intense combustion, while generating a lot of heat and high pressure, it formed an explosion. This mix with combustible gas and air, reaching a certain concentration, is very similar to a fire explosion. This shows that the dust explosion, it will be