大型核电汽轮机末级长叶片开发中若干问题讨论  

Discussion on Several Issues in the Development of Last Stage Long Blades of Large-scale Nuclear Power Turbines

作　　者：刘云锋 杨晓辉[2] 李宇峰[2] 王洪鹏[2] LIU Yun-feng;YANG Xiao-hui;LI Yu-feng;WANG Hong-peng(School of Energy Science and Engineering,Harbin Institute of Technology,Harbin,China,150001;Harbin Turbine Company Limited,Harbin,China,150046)

机构地区：[1]哈尔滨工业大学能源科学与工程学院,黑龙江哈尔滨150001 [2]哈尔滨汽轮机厂有限责任公司,黑龙江哈尔滨150046

出　　处：《热能动力工程》2022年第3期81-85,共5页Journal of Engineering for Thermal Energy and Power

基　　金：黑龙江省“百千万”工程科技重大专项之“华龙一号核电汽轮机组关键设备研制”(2020ZX01A01)。

摘　　要：结合大功率核电汽轮机末级叶片的开发经验,介绍了核电汽轮机长叶片开发的一般流程,包括转速、根径、叶高等关键参数确定的基本原则和需要考虑的因素。结合核电机组排汽湿度大、末级叶片高度长的特点,从工程设计的角度对结构、叶型、防水蚀、转子叶片耦合振动等一些关键问题进行了探讨分析。In combination with the development experience of low pressure last stage blades of high-power nuclear power turbine,the general process of development of last stage long blades of nuclear power turbine is introduced,including the fundamental principle and considered factors determined by rotation speed,root diameter,blade height and other key parameters.Combined with the characteristics of high exhaust humidity and long height of last stage blades of nuclear power unit,some key issues such as structure,blade profile,water erosion resistance and coupled vibration of rotor blades,etc.are discussed and analyzed.

关 键 词：核电汽轮机 末级长叶片 工程问题研究 

分 类 号：TK221[动力工程及工程热物理—动力机械及工程]