高压加热器泄漏引起汽轮机保护动作分析  

Analysis of Steam Turbine Protection Action Caused by Leakage of High-pressure Heater

作　　者：鲍庆昌 BAO Qingchang(China Huadian Laicheng Power Plant,Jinan 271100,China)

机构地区：[1]华电国际莱城发电厂,山东济南271100

出　　处：《山东电力高等专科学校学报》2021年第1期28-30,共3页Journal of Shandong Electric Power College

摘　　要：针对一起高压加热器泄漏引起的汽轮机保护动作事件,分析了原因,指出了暴露的问题,采取了更换高压加热器泄漏管束,完善高压加热器系统和保护逻辑等防范措施。实践证明,及早发现并正确处理高压加热器泄漏,既避免了事故扩大,又保证了机组效率。In allusion to an accident of steam turbine protection action caused by the leakage of a high-pressure heater,the causes are analyzed,and the exposed problems are pointed out.The preventive measures such as replacing the leakage tube bun⁃dle of the high-pressure heater,improving the high-pressure heater system and protection logic are put forward.It is proved by practice that if the leakage of a high-pressure heater can be detected and handled correctly as soon as possible,it could avoid the expansion of the accident and also ensure the efficiency of the unit.

关 键 词：高压加热器 泄漏 疏水 跳闸 

分 类 号：TK223.528[动力工程及工程热物理—动力机械及工程]