SA335-P22钢主蒸汽管道非破坏性剩余寿命评估方法
Non-destructive Remaining Life Evaluation Method of SA335-P22 Steel Main Steam Pipe
摘 要
通过宏观检验、多种无损检测方法以及现场硬度测试和金相覆膜方法,对累计运行已超过113 000 h的SA335-P22钢主蒸汽管道进行了检测,并结合Larson-Miller公式预测法和蠕变损伤级别分类法共同对该主蒸汽管道进行了非破坏性剩余寿命评估,得出该管道的剩余寿命不超过105 937 h.该试验结果可为电厂运行人员提供参考.
主蒸汽管道
非破坏性剩余寿命评估
Larson-Miller公式预测法
蠕变损伤级别分类法
SA335-P22 steel pipe
main steam pipe
non-destructive remaining life evaluation
Larson-Miller formula predicting method
creep damage level taxonomy method
Abstract
Through macroscopic examination,several kinds of non-destructive testing,on-site hardness testing and metallurgical coating examination,SA335-P22 steel main steam pipe which had accumulatively run for more than 113 000 h was studied.And combined Larson-Miller formula predicting method and creep damage level taxonomy method,remaining life of the main steam pipe was evaluated.The results show that the remaining life of the pipe was not more than 105 937 h,which could provide a reference for the power plant operator.
中图分类号 TG142.33 TK284.1
所属栏目 试验与研究
基金项目
收稿日期 2014/8/4
修改稿日期
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备注张辉(1986-),男,工程师,硕士研究生.
引用该论文: ZHANG Hui,LI Mao-dong,LU Zhong-ming,YANG Bo,NI Jin-fei,WANG Lian. Non-destructive Remaining Life Evaluation Method of SA335-P22 Steel Main Steam Pipe[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2015, 51(2): 100～104
张辉,李茂东,卢忠铭,杨波,倪进飞,王恋. SA335-P22钢主蒸汽管道非破坏性剩余寿命评估方法[J]. 理化检验－物理分册, 2015, 51(2): 100～104
被引情况:
【1】张志博,马翼超,范志东,姚兵印,马剑民, "锅炉吹灰器蒸汽管道材质状态评估",理化检验－物理分册 52, 650-654(2016)
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参考文献
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【4】王丽芳,满达虎,罗红梅,等.电厂锅炉高温再热器管道状态检验和寿命评估[J].设备管理与维修,2008(7):10-11.
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【7】GONG J M,TU S T,YOON K B.Damage assessment of hydrogen reformer furnace tube and maintenance strategy[J].Engineering Failure Analysis,1999,6(3):143-145.
【8】LARSON F R,MILLER J.A time-temperature relationship for rupture and creep stresses[J].Trans Asmz,1952(7):765-775.
【9】DOLZHANSKII P R.Peculiarities of assessing the remaining service life of steam pipelines for operation beyond the fleet resource[J].International Journal of Pressure Vessels and Piping,2005,82(7):546-552.
【10】OKAZAKI M,HASHIMOTO M,MOCHIZUKI T.Creep-fatigue strength of long-term post-service 2.25Cr1Mo steel and remaining life estimation[J].Journal of Pressure Vessel Technology,1999,113:28-31.
【11】汪淳,孙正毅,沈士明.高温长期服役后Cr9Mo炉管的寿命预测[J].压力容器,2006,23(2):19-22.
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【14】潘柏定,潘金平,程宏辉,等.电站锅炉承压元件的寿命评估方法[J].理化检验-物理分册,2011,47(1):22-29.
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