| TP405换热器管束失效分析及对策 |
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| 引用本文： | 韩长军,郭超,辛敏东. TP405换热器管束失效分析及对策[J]. 腐蚀科学与防护技术, 2011, 0(3): 277-280 |
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| 作者姓名： | 韩长军 郭超 辛敏东 |
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| 作者单位： | 中国石油工程建设公司; |
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| 摘 要： | 采用成分、金相、扫描电镜、能谱等手段分析了中石油阿尔及利亚某项目中一台运行15 d即发生严重泄漏的凝析油/重柴油换热器.水压试验发现泄漏处位于TP405材质管束的焊接热影响区.分析结果表明管束热影响区裂纹主要为焊接裂纹并伴有晶间应力腐蚀.该管束缺陷不可修复,建议严格控制焊接工艺参数防范焊接裂纹的发生,并采用晶间敏感性较...
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| 关 键 词： | 换热器 TP405 失效分析 焊接裂缝 晶间应力腐蚀 |
Failure Analysis of TP405 Heat Exchanger Tube Bundle |
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| HAN Chang-jun,GUO Chao,XIN Min-dong China Petroleum Engineering , Construction Corporation,Beijing. Failure Analysis of TP405 Heat Exchanger Tube Bundle[J]. Corrosion Science and Protection Technology, 2011, 0(3): 277-280 |
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| Authors: | HAN Chang-jun GUO Chao XIN Min-dong China Petroleum Engineering Construction Corporation Beijing |
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| Affiliation: | HAN Chang-jun,GUO Chao,XIN Min-dong China Petroleum Engineering and Construction Corporation,Beijing 100120 |
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| Abstract: | Chemical composition analysis,metallographic examination,scanning electron microscope and energy dispersive X-ray spectroscopy were adopted to investigate the leakage failure of a condensate oil/heavy gas oil heat exchanger after 15 d commissioning in a petrochemical project in Algeria.It was found that the leakages were located in heat affected zone(HAZ)of the weldment of TP405 tube bundle by hydraulic test.The results showed that the leakages in tube bundle were mainly due to welding flaws,and intergranul... |
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| Keywords: | heat exchanger TP405 failure analysis welding flaw intergranular stress corrosion cracking |
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