某水电站混流式转轮下止漏环空蚀成因分析及处理研究  

Analysis and Treatment of Lower Seal Ring Cavitation for a Francis Runner in Hydropower Station

作　　者：高海军[1] 付国龙 姚文革[1] GAO Haijun;FU Guolong;YAO Wenge(Harbin Electric Machinery Co.Ltd.,Harbin 150040,China;Harbin Power National Hydraulic Power Equipment Engineering Technology Research Center Co.Ltd.,Harbin 150040,China;State Key laboratory of hydro-power equipment(HILEM),Harbin 150040,China)

机构地区：[1]哈尔滨电机厂有限责任公司,黑龙江省哈尔滨市150040 [2]哈动国家水力发电设备工程技术研究中心有限公司,黑龙江省哈尔滨市150040 [3]水力发电设备国家重点实验室(哈尔滨大电机研究所),黑龙江省哈尔滨市150040

出　　处：《水电与抽水蓄能》2022年第1期65-70,共6页Hydropower and Pumped Storage

摘　　要：本文针对某水电站混流式转轮下止漏环规律性空蚀现象,分别从检修安装、运行工况、水力开发及真机设计等方面分析了相关影响因素,给出了这种规律性空蚀现象成因及改进处理方案。最后针对相似水头段转轮研制,提出了四点设计提示。In view of the regular cavitation phenomenon of the lower seal ring for a Francis runner in hydropower station,this paper demonstrates the relevant influence factors from the aspects of maintenance and installation,operation conditions,hydraulic development and prototype turbine design,and gives the causes of the regular cavitation phenomenon and the improved treatment plan.Finally,four design tips are put forward for the development of the runners with similar head.

关 键 词：混流式转轮 止漏环空蚀 空蚀成因分析 

分 类 号：TK733.1[交通运输工程—轮机工程]