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Explosion from a Smoldering Silo Fire

机译:闷燃筒仓爆炸

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摘要

Many organic granular materials are susceptible to self-heating when stored in silos. Under the right environmental conditions self-heating can lead to spontaneous ignition and smoldering combustion. This is a case study of an explosion that occurred in a grain storage silo with a smoldering fire. Although the hazards of combustible dust are relatively well recognized, the explosion hazard presented by a smoldering fire is less well known. There were two explosions in this incident: a primary explosion involving carbon monoxide and smoke generated by the smoldering fire, and a secondary explosion fueled by combustible dust. The explosion caused both injuries to personnel and significant property damage. This article discusses the causal factors for the explosion and the lessons learned for effectively monitoring and responding to a smoldering fire in a silo. The potential explosion hazard of the carbon monoxide and smoke generated by a smoldering fire is emphasized.
机译:当储存在筒仓中时,许多有机颗粒材料容易自热。在适当的环境条件下,自热会导致自燃和阴燃。这是一个案例研究,该案例发生在谷物储存仓中发生闷燃的爆炸中。尽管可燃粉尘的危害已得到相对较好的认识,但由阴燃火灾引起的爆炸危害鲜为人知。此事件中发生了两次爆炸:一次爆炸涉及一氧化碳和阴燃火焰产生的烟雾,第二次爆炸由可燃粉尘推动。爆炸造成人员伤亡和重大财产损失。本文讨论了爆炸的因果关系,以及为有效监视和应对筒仓中阴燃性火灾而汲取的教训。强调了阴燃火灾产生的一氧化碳和烟雾的潜在爆炸危险。

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