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电站锅炉主蒸汽母管的定期检验与分析 被引量:3

Periodical Inspection and Analysis of Main Steam Pipeline in Power Plant Boiler
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摘要 本文对使用12Cr1MoVG钢管的电站锅炉主蒸汽母管进行定期检验。结果发现,该管道经过11万h的运行,管道的壁厚、无损检测和材料化学成分都未发现明显缺陷,但管道材质发生了劣化,表现为硬度降低,部分管段显微组织球化较严重。 In this paper,the main steam pipe of utility boiler with 12Cr1MoVG steel pipe was inspected regularly.The results showed that no obvious defects were found in the wall thickness,nondestructive testing and material chemical composition of the pipeline after 110000 h operation,but the pipeline material deteriorated,showing that the hardness was reduced,and the microstructure of some pipe sections was seriously spheroidized.
作者 曲炎淼 王霄鑫 李明 QU Yanmiao;WANG Xiaoxin;LI Ming(The Boiler&Pressure Vessel Safety Inspection Institute of Henan Province,Zhengzhou Henan 450016)
出处 《河南科技》 2020年第22期32-34,共3页 Henan Science and Technology
关键词 电站锅炉 主蒸汽管道 12CR1MOVG power plant boiler main steam pipe 12Cr1MoVG
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