某火力发电厂600MW机组低温再热蒸汽管道恒力吊架吊杆断裂原因分析及解决方案 / Cause Analysis on Suspender Breakage of Constant Force Hanger for Low-temperature Reheating Steam Piping in 600 MW Units in a Fossil-fuel Power Plant and the Solutions
- Resource Type
- Academic Journal
- Authors
- 覃泽棒; 黄浩坤; 肖志前; QIN Zebang; HUANG Haokun; XIAO Zhiqian
- Source
- 广东电力 / Guangdong Electric Power. 25(3):109-113
- Subject
- 火力发电厂
蒸汽管道
恒力吊架
螺纹吊杆
疲劳
断裂
- Language
- Chinese
- ISSN
- 1007-290X
针对某火电厂锅炉低温再热蒸汽管道恒力吊架螺纹吊杆多次发生断裂现象,通过支吊架分布及其断裂分析、材质及其断口分析、断裂力学计算,得出吊杆断裂原因为管道异常振动对吊杆产生弯曲疲劳作用所致.根据恒力吊架本身结构特点及管道运行状况提出行之有效的解决方案,可提高机组安全经济运行.