某超超临界锅炉水冷壁裂纹防治措施  

Preventive Measures of Water Wall Tube Crack for Ultra-supercritical Boiler

作　　者：杨晓芳[1] 岳亮[1] 

机构地区：[1]哈尔滨锅炉厂有限责任公司

出　　处：《电站系统工程》2017年第4期39-40,共2页Power System Engineering

摘　　要：通过对超超临界锅炉水冷壁发生裂纹泄漏分析,发现水冷壁管的泄漏为典型的热应力导致的热疲劳裂纹失效。针对此种情况,给出了相应的防治措施,并取得显著效果。By analyzing the leakage of water wall in ultra supercritical boiler, it is found that the leakage of water wall tube is a typical thermal fatigue crack. In view of this situation, the corresponding preventive measures are given, and remarkable results are achieved.

关 键 词：裂纹 水冷壁管 热疲劳 

分 类 号：TK228[动力工程及工程热物理—动力机械及工程]