核电汽轮机高压缸变形控制关键技术研究及应用  

Research and Application of Key Technology of Deformation Control of HP Cylinder of Nuclear Power Turbine

作　　者：刘丹 郑华兵 LIU Dan;ZHENG Hua-bing(Taishan Nuclear Power Joint Venture Co.,Ltd.,Jiangmen 529200,China;China Nuclear Power Operation Co.,Ltd.,Shenzhen 518124,China)

机构地区：[1]台山核电合营有限公司,江门529200 [2]中广核核电运营有限公司,深圳518124

出　　处：《汽轮机技术》2024年第1期33-37,共5页Turbine Technology

摘　　要：以某百万千瓦核电汽轮机高压缸为研究对象,建立三维模型,并用ANSYS/WORKBENCH计算分析了稳态运行时汽缸轴封处温度分布与螺栓预紧力对汽缸变形的影响,同时针对性地提出了控制汽缸变形的处理方案,经过在同类型多台次机组上的实施验证,效果良好。This paper takes the high-pressure cylinder of a large nuclear power turbine as the research object,establishes its three-dimensional model,and uses ANSYS/WORKBENCH to calculate and analyze the influence of temperature distribution at the cylinder shaft seal and bolt preload on cylinder deformation during steady-state operation.At the same time,a treatment plan to control cylinder deformation is proposed specifically.Good results have been obtained.

关 键 词：高压缸三维模型 变形 热应力 漏汽 预紧力 

分 类 号：TM623[电气工程—电力系统及自动化]