动力锅炉水冷壁爆管失效分析  

Failure Analysis of Water Wall Burst of Power Boiler

作　　者：马江 陈帅甫 赵延灵[2] Ma Jiang;Chen Shuaifu;Zhao Yanling(Henan Boiler and Pressure Vessel Inspection Technology Research Institute,Zhengzhou,Henan 450016,China;College of New Energy,China University of Petroleum(East China),Qingdao,Shandong 266580,China)

机构地区：[1]河南省锅炉压力容器检验技术科学研究院,河南郑州450016 [2]中国石油大学(华东)新能源学院,山东青岛266580

出　　处：《化工设备与管道》2024年第1期3-7,共5页Process Equipment & Piping

基　　金：河南省科技攻关项目(212102410006);河南省锅炉压力容器安全检测研究院基本科研业务费支持项目(2021ky12)。

摘　　要：某企业动力锅炉运行中发生水冷壁爆管事故。通过对爆管的冷壁管取样进行宏观形貌分析、材质成分分析、金相组织分析和机械性能检测,结合锅炉实际运行情况,分析了水冷壁爆管失效的主要原因是钢管原始制造质量缺陷和表面机械损伤。根据分析结果,提出了对应的解决方案和预防措施,避免同类失效现象对锅炉安全运行的影响。A water wall burst accident occurred in the operation of a power boiler in an enterprise.Through the macro morphology analysis,material composition analysis,metallographic structure analysis and mechanical property detection of the cold wall tube samples of the burst tube,combined with the actual operation of the boiler,it is analyzed that the main reasons for the failure of the water wall tube burst are the original manufacturing quality defect of the steel tube and surface mechanical damage.According to the analysis results,the corresponding solutions and preventive measures are put forward to avoid the impact of the same type of failure on the safe operation of the boiler.

关 键 词：锅炉 水冷壁管 失效分析 

分 类 号：TK225[动力工程及工程热物理—动力机械及工程]