600 MW火电机组高低压旁路泄漏原因及解决措施  

Causes and Solutions of High and Low Voltage bypass Leakage of 600 MW Thermal Power Unit

作　　者：张兴凯 Xingkai Zhang(Shaanxi Deyuan Fugu Energy Co.,LTD.,Yulin,Shaanxi 719407)

机构地区：[1]陕西德源府谷能源有限公司,陕西榆林719407

出　　处：《新疆钢铁》2025年第1期90-92,共3页Xinjiang Iron and Steel

摘　　要：基于我国电力行业快速发展的情况,本文对600MW火电机组高低压旁路泄漏问题进行了深入研究。首先阐述了高低压旁路的工作原理及其对机组安全稳定运行的重要性。接着分析了导致旁路泄漏的主要原因,包括密封面磨损、填料函故障以及阀杆磨损腐蚀等。针对这些问题,提出了加强密封面维护、确保填料函可靠性、减少阀杆磨损等有效解决措施。研究结果表明,通过综合采取这些措施,可以有效延缓泄漏进程,降低经济损失,为今后更好地开展机组维护和管理提供参考。This paper studies the high and low-pressure bypass leakage in 600 MW thermal power units,in the context of China's fast-developing power industry.It first explains how the high and low-pressure bypass works and its importance for safe and stable operation.Then,the main causes of leakage are discussed,including sealing surface wear,packing box failure,and valve stem wear and corrosion.The paper suggests solutions such as improving sealing surface maintenance,ensuring packing box reliability,and reducing valve stem wear.The results show that these measures can effectively delay leakage and reduce economic losses,providing useful insights for future unit maintenance and management.

关 键 词：600 MW火电机组 高压旁路泄漏 密封面维护 

分 类 号：TK268[动力工程及工程热物理—动力机械及工程]