[1]韩银生,等.热煨弯管失效分析及预防措施[J].焊管,2019,42(12):45-50.[doi:10.19291/j.cnki.1001-3938.2019.12.009]
 HAN Yinsheng,LU Weizhuo,et al.Failure Analysis and Preventive Measures of the Hot-bending Bend[J].,2019,42(12):45-50.[doi:10.19291/j.cnki.1001-3938.2019.12.009]
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热煨弯管失效分析及预防措施()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第12期
页码:
45-50
栏目:
经验交流
出版日期:
2019-12-28

文章信息/Info

Title:
Failure Analysis and Preventive Measures of the Hot-bending Bend
文章编号:
10.19291/j.cnki.1001-3938.2019.12.009
作者:
韩银生1 2卢卫卓1 2刘永刚1雷石军1 2
1. 中国石油集团石油管工程技术研究院,西安 710077;
2. 北京隆盛泰科石油管科技有限公司,北京 100101
Author(s):
HAN Yinsheng1 2 LU Weizhuo1 2 LIU Yonggang1 LEI Shijun1 2
1. CNPC Tubular Goods Research Institute, Xi’an 710077, China;
2. Beijing Longshine Oil Tubular Technology Co., Ltd., Beijing 100101, China
关键词:
热煨弯管失效冲蚀组织缺陷机械损伤
Keywords:
hot-bending bend failure washout defect mechanical damage
分类号:
TG142.1
DOI:
10.19291/j.cnki.1001-3938.2019.12.009
文献标志码:
B
摘要:
热煨弯管是油气输送管道中的重要构件的连接部分。由于弯管制造工艺和弯管结构的特殊性,弯管在输送过程中承受的工况比直管更加恶劣,是输送管道的薄弱环节,失效事故时有发生。针对上述问题,笔者从弯管的制造工艺、质量影响因素、质量控制、失效原因等方面进行了全面分析和研究,通过具体的失效案例分析,论证了固相颗粒冲蚀、材料组织缺陷和机械损伤对弯管失效的影响,并提出了相应的预防措施。
Abstract:
The hot-bending bend is the connection part of the important components in oil and gas transmission. Due to the particularity of the bend manufacturing process and its structure,the working condition of the bend is worse than that of the straight pipe in the transportation process,which is the weak link in the transportation process,and the failure accident often occurs. In view of the problems above,the author makes a comprehensive analysis and research from the aspects of the manufacturing process,quality influencing factors,quality control,failure causes and preventive measures. Through the analysis of the specific failure cases,the effects of the solid particle washout,material microstructure defects and the mechanical damage on the failure of the bend are demonstrated,and the preventive measures are put forward.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期:2019-03-09

作者简介:韩银生(1977—),男,工程师,主要从事油气输送管驻厂监造技术服务、现场检测工作。

更新日期/Last Update: 2020-01-16