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某天然净化厂在2009年8月突然发生管道爆管事故,见图1。为了能够提出合理的预防爆管事故再次发生的措施,开展了爆管事故原因分析。1原因分析1.1管线内壁残留物化学成分分析1.1.1黑色残留物的化学成分分析管道发生爆管后,在管道内壁有黑色的残留物存在,现对黑色残留物进行化学成分分析。图2为黑色粉末X射线衍射分析结果,经分析,其主要成分为Fe_3O_4和FeOOH。图3为黑色粉末的扫描电镜观察的形貌及能谱分析。从图中可以看出,粉末颗粒的主要成分为Fe和
A natural purification plant in August 2009 suddenly burst pipe accident, shown in Figure 1. In order to put forward a reasonable measure to prevent recurrence of squib accidents, carried out a pipe burst accident analysis. 1 Analysis of the reasons 1.1 pipeline wall chemical composition analysis of the chemical composition of 1.1.1 black residue after the pipe burst pipe in the pipe wall there is a black residue exists, the black residue chemical composition analysis. Figure 2 black powder X-ray diffraction analysis results, the analysis, the main components of Fe_3O_4 and FeOOH. Figure 3 is a black powder scanning electron microscopy morphology and energy spectrum analysis. As can be seen from the figure, the main components of the powder particles are Fe and