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低分气脱硫塔入口分液罐切液线泄漏原因分析

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本文通过对低分气脱硫塔入口分液罐切液线泄漏原因分析,从工艺参数、宏观检查、壁厚测试、断口微观形貌及能谱分析等几方面,对切液线开裂泄漏原因进行分析,分析切液线开裂泄漏原因主要是凝缩液腐蚀环境下冲蚀减薄开裂.管道开裂部位的机械损伤和安装残余应力加速了切液线的开裂泄漏.
Cause Analysis of Liquid Cutting Line Leakage in Inlet Liquid Separator of Low Gas Separation Desulfurization Tower
In this paper,through the low gas desulfurization tower inlet liquid tank cutting line leakage analysis,from the process parameters,The causes of the leakage were analyzed from the aspects of macroscopic examination,wall thickness test,fracture microscopic appearance and energy spectrum analysis.The main reason of the leakage of the liquid cutting line was erosion thinning and cracking in corrosive environment.The mechanical damage of the cracked part of the pipeline and the external stress of the installation accelerated the cracking and leaking of the liquid cutting line.

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黄新泉

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中国石油独山子石化公司研究院,新疆 独山子 833600

低分气 凝缩液 开裂 冲蚀 防护建议

2024

全面腐蚀控制
中国工业防腐蚀技术协会

全面腐蚀控制

影响因子:0.278
ISSN:1008-7818
年,卷(期):2024.38(8)