摘要
通过数据计算、试验验证等方法,对大唐张家口发电厂1号锅炉后屏过热器出现的金属壁温异常现象进行了分析,排除了可能存在的影响因素,找到了导致异常现象出现的直接原因是炉顶密封泄漏所致。检修中对炉顶密封进行了重新安装,恢复启动后问题得到解决。
The abnormal phenomenon of the No. 1 boiler metal wall temperature in Datang Zhangjiakou Power Plant isanalyzed. Possible influencing factors have been ruled out by data calculation and test method. The leakage of furnacecrown seal is the proximate reason. The problem has been solved after reinstalling the furnace crown seal.
出处
《华北电力技术》
CAS
2015年第2期50-54,共5页
North China Electric Power
关键词
金属壁温
蒸汽温度
炉顶密封
metal wall temperature, steam temperature, furnace crown seal