中低水头混流式水轮机导叶密封改造  

Improvement for Gate Seal in Middle-low Head Francis Turbine

作　　者：王长志[1] 张春晖[1] 

机构地区：[1]哈尔滨电机厂有限责任公司,黑龙江哈尔滨150040

出　　处：《大电机技术》2003年第3期55-58,共4页Large Electric Machine and Hydraulic Turbine

摘　　要：分析了老电站导叶密封普遍存在的问题 ,并阐述了导叶密封改造中解决这些问题的方法。实践证明 。In this paper, general troubles of the wicket gate seal in old power stations are analysed. A new way of improving wicket gate seal is introduced in detail. It is verified that this construction improved can satisfy the requirement of the wicket gate seal for the middle_low head Francis turbine.

关 键 词：混流式水轮机 导叶 密封 技术改造 中低水头 

分 类 号：TK733.1[交通运输工程—轮机工程]