【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 ,这种改进的结构能够较好地解决中低水头混流式水轮机导叶密封严重漏水问题更多还原

【Abstract】 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.更多还原