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Metal Dusting in 1.25 Cr 0.5 Mo and SS304H Feed Gas Coil after Installation of De-Sulfurization Unit upstream of Primary Reformer

机译:在初级重整器上游安装后,金属粉碎1.25CR 0.5和SS304H饲料燃气线圈

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This paper is written to explain three incidents of Metal Dusting failures which occurred in a feed gas coil of the Primary Reformer of an ammonia plant of Fauji Fertilizer Bin Qasim Limited, Karachi, shortly after installation of a new HDS/ZnO Desulfurization Unit upstream of the Reformer. The paper includes a brief general description of Metal Dusting damage mechanism, details of inspection findings for each of the three Metal Dusting incidents and metallography results of the failed coil, all of which is summed up to explain causes of Metal Dusting after installation of the Desulfurization Unit which could not be foreseen during the design phase.
机译:本文被编写了三种金属粉尘故障的三种事件,该故障发生在福建肥料Bin Qasim Limited,Karachi的氨植物的初级重整器的进料燃气线圈中,在安装上游的新的HDS / ZnO脱硫单元之后不久。改革者。本文包括金属粉尘损伤机制的简要一般描述,为所有三种金属粉尘事件和失效线圈的金属粉尘事件中的每一个的检查结果的细节,所有这些都是如此总结为解释安装脱硫后金属粉尘的原因在设计阶段无法预见的单元。

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