Ailure Analysis of Reformer Tube

doi:10.3696/j.issn.1672-6952.2012.04.016

Journal of Liaoning Petrochemical University ›› 2012, Vol. 32 ›› Issue (4): 60-63.DOI: 10.3696/j.issn.1672-6952.2012.04.016

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Ailure Analysis of Reformer Tube

LIANG Yan, MA Chao, JIANG Wen-quan

Liaoning Shihua University,Fushun Liaoning 113001,P.R.China

Received:2012-06-13 Published:2012-12-20 Online:2017-07-06

转化炉管失效分析

梁　艳，马　超，姜文全

辽宁石油化工大学，辽宁抚顺１１３００１

作者简介:梁艳（１９７８－），女，辽宁沈阳市，副教授，博士。

Abstract

Abstract:

The reformer furnace tubes have cracked after operating for in a service period in one plant, which lead to much economic losses. Therefore, it is necessary for us to carry on the over analysis of the reformer furnace tubes. The reformer furnace tubes were analyzed by using chemical composition analysis, macro-and micro-microstructure analysis, room temperature, high temperature mechanical properties analysis in the paper. The results show that the reason of failure for the furnace tube is the creep crack, and excess temperature is the direct reason for the creep crack. At the same time, the lack of the effect thickness in original design is the root cause of crack for the furnace tube.

Key words: Reformer furnace tube , , Failure analysis , , Creep

摘要： 某厂转化炉炉管仅运行一段时间就发生开裂，造成经济损失，因此，有必要对失效炉管进行全面的分析。通过化学成分分析、宏观及微观显微组织分析、Ｘ射线衍射分析以及常温、高温力学性能分析等，对转化炉炉管进行失效分析。结果表明，炉管材料失效的主要原因是蠕变开裂，而超温是导致蠕变发生的直接原因，原设计的有效厚度不足是造成炉管爆裂先天性根本原因。

关键词: 　转化炉炉管, 　失效分析, 　蠕变

LIANG Yan, MA Chao, JIANG Wen-quan.

Ailure Analysis of Reformer Tube

[J]. Journal of Liaoning Petrochemical University, 2012, 32(4): 60-63.

梁　艳，马　超，姜文全. 转化炉管失效分析[J]. 辽宁石油化工大学学报, 2012, 32(4): 60-63.

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Ailure Analysis of Reformer Tube

转化炉管失效分析

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