【作者】 董重里； 郑志军；

【Author】 DONG Zhong-li~1,ZHENG Zhi-jun~2 (1.Guangdong Power Test & Research Institute,Guangzhou 510600,Guangdong,China; 2.School of Mechanical & Automotive Engineering;South China University of Technology,Guangzhou 510640, Guangdong,China)

【机构】 广东电网公司电力科学研究院； 华南理工大学机械与汽车工程学院；

【摘要】 对某电厂300MW循环流化床中隔墙过热器失效进行分析,分析了断口的形貌,检验了力学性能,进行了EDS分析,该断口的断裂原因为振动引起的疲劳,同时断口内存在第二相弥散质点。更多还原

【Abstract】 The failure of the mid-wall superheater of the 300MW CFB boiler has been analyzed.The appearance of the break has been analyzed.The mechanism and the EDS have been also used.The reason of the rupture is the vibration and fatigue.And the second phase dispersion particle has been founded.更多还原