Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company

doi:10.3969/j.issn.0438-1157.2013.z1.024

CIESC Journal ›› 2013, Vol. 64 ›› Issue (S1): 159-164.DOI: 10.3969/j.issn.0438-1157.2013.z1.024

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Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company

SUN Changhai¹, GUO Linhai², MA Haitao², WU Yan¹

1. School of Electrical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China;
2. School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China

Received:2013-12-02 Revised:2013-12-07 Online:2013-12-30 Published:2013-12-30
Supported by:
supported by the Petro China Innovation Fund (2011D-5006-0402).

石油企业HP40Nb钢制氢转化炉炉管破裂分析

孙长海¹, 郭林海², 马海涛², 吴彦¹

1. 大连理工大学电气工程学院, 辽宁大连 116024;
2. 大连理工大学材料科学与工程学院, 辽宁大连 116024

通讯作者: 孙长海(1967—)，男，博士。
作者简介:孙长海(1967—)，男，博士。
基金资助:
中石油创新基金项目(2011D-5006-0402)。

Abstract

Abstract: Hydrogen production reformer furnace tubes made of cast austenitic alloy steels serve in the temperature range of 1073—1173 K and pressure around 3—4 MPa. Though the design life is about 100000 h, premature failures within 3—8 years are more common, mainly caused by premature creep induced by overheating. The cast tube material undergoes microstructural changes with service exposure and as a consequence, degradation in strength. The methods of macro inspection,chemical analysis, microstructure, scanning electron microscope and mechanical properties testing were used to analyze on the rupture HP40Nb steel tubes from a hydrogen production reformer furnace of one petroleum company when they were used only 18 h during the test run.The rupture life was very short and needed to find the reason, in case the similar incidents. The results show that the reason of failure for the furnace tubes is high temperature creep rupture and over temperature seriously is the direct reason.

Key words: hydrogen production, petroleum, microstructure, creep, over temperature, rupture

摘要： 采用宏观检查、化学成分分析、金相组织、扫描电子显微镜、力学性能测试方法对某石油公司制氢车间试车运行仅18 h即发生破裂的HP40Nb钢制氢转化炉炉管进行了分析。结果表明：炉管破裂失效的主要原因是高温蠕变破裂，严重超温是导致蠕变发生的直接原因。

关键词: 制氢, 石油, 显微组织, 蠕变, 超温, 破裂

CLC Number:

SUN Changhai, GUO Linhai, MA Haitao, WU Yan. Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company[J]. CIESC Journal, 2013, 64(S1): 159-164.

孙长海, 郭林海, 马海涛, 吴彦. 石油企业HP40Nb钢制氢转化炉炉管破裂分析[J]. 化工学报, 2013, 64(S1): 159-164.

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Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company

石油企业HP40Nb钢制氢转化炉炉管破裂分析

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