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本文阐述空分设备中造成爆炸事故的主要因素,并着重谈到具备化学不稳定特性的不饱和烃C_2H_2产生爆炸的机理。根据国内外大空分主冷多次发生爆炸的事故分析,介绍深冷法制O_2设备中两种主冷工作状态及产生“死端沸腾”、“干蒸发”的原因与引发爆炸的关系并简述防止主冷爆炸的一些具体工艺和加强检测分析措施。
This article describes the main factors causing an explosion in an air separation plant and highlights the explosion mechanism of the unsaturated hydrocarbon C_2H_2 with chemical instability. According to the accident analysis of multiple explosion at home and abroad, the main work condition and the cause of “dead end boiling” and “dry evaporation” Relations and briefly describe some of the specific technologies to prevent the main blast cold and strengthen the detection and analysis measures.