某电厂后墙螺旋水冷壁管胀粗原因分析  

Analysis on Causes of Swelling of Water Wall Tubes in a Power Plant

作　　者：杨权[1] 刘立民[1] 王硕[1,2] 程义[1,2] 张旭昌[1] YANG Quan;LIU Li-min;WANG Shuo;CHENG Yi;ZHANG Xu-chang(Harbin Boiler Company Limited,Harbin 150046,China;State Key Laboratory of Efficient and Clean Coal-fired Utility Boilers(Harbin Boiler Company Limited),Harbin 150046,China)

机构地区：[1]哈尔滨锅炉厂有限责任公司,黑龙江哈尔滨150046 [2]高效清洁燃煤电站锅炉国家重点实验室(哈尔滨锅炉厂有限责任公司),黑龙江哈尔滨150046

出　　处：《锅炉制造》2020年第5期40-42,共3页Boiler Manufacturing

摘　　要：采用几何尺寸测量、化学成分分析、力学性能检测、金相组织分析、扫描电镜观察和EDS能谱分析方法对某电厂水冷壁螺旋水冷壁管胀粗部位进行分析,确定胀粗的原因是由于长时超温运行引起的。The geometrical dimension measurement,chemical composition analysis,mechanical property testing,metallographic analysis,scanning electron microscopy and EDS spectral analysis were used to analyze the water-wall tube swelling part of a power plant.The cause is caused by long-term over-temperature operation.

关 键 词：水冷壁管 胀粗 长时超温 

分 类 号：TK223[动力工程及工程热物理—动力机械及工程]