Root Cause Analysis for a Burst Steam Pipe in a Petrochemical Plant

被引：0

作者：

Wang, Qi ^{[1
]}

Lyu, Yunrong ^{[2
]}

He, Zhaorong ^{[3
]}

Cong, Guangpei ^{[4
]}

Yu, Wei ^{[5
]}

机构：

[1] Guangdong Univ Petrochem Technol, Sch Petr Engn, 139 Guandu Second Rd, Maoming 525099, Guangdong, Peoples R China

[2] Guangdong Univ Petrochem Technol, Guangdong Prov Key Lab Petrochem Equipment Fault, 139 Guandu Second Rd, Maoming 525099, Guangdong, Peoples R China

[3] Guangdong Univ Petrochem Technol, Sch Mech & Elect Engn, 139 Guandu Second Rd, Maoming 525099, Guangdong, Peoples R China

[4] Guangdong Univ Petrochem Technol, Guangdong Prov Engn Technol Res Ctr Petrochem Cor, 139 Guandu Second Rd, Maoming 525099, Guangdong, Peoples R China

[5] Univ Auckland, Dept Chem & Mat Engn, 5 Grafton Rd, Auckland 1010, New Zealand

来源：

JOURNAL OF PIPELINE SYSTEMS ENGINEERING AND PRACTICE | 2021年 / 12卷 / 02期

关键词：

Root cause analysis; Steam pipe bursting; Creep; Ratchet effect; FAILURE ANALYSIS; CREEP; WELD;

D O I：

10.1061/(ASCE)PS.1949-1204.0000546

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Steam pipe failure is a problem that may affect refinery production and personal safety. It has practical significance for engineers who need to find out how to prevent such failure. This paper reports on a pipe bursting accident in a steam network. An investigation to identify the root causes of the failed steam pipe was carried out by macro inspections, chemical composition analysis, metallographic microscopy, scanning electron microscope (SEM) images, and energy dispersive spectroscope (EDS) analysis. The results showed that the chemical composition and mechanical properties were within the related standards, a combination of the ratchet effect and material creep causing the pipe wall thinning was the major failure root, and spheroidization of pearlite in the material also contributed to the failure.

引用

页数：7

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