铸铁低压内缸结构设计与优化探究  

Structural Design and Optimization of Cast Iron IP Inner Cylinder

作　　者：张文挺 陈铁宁[1] 王鑫[1] 陈志坤 ZHANG Wenting;CHEN Tiening;WANG Xin;CHEN Zhikun(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)

机构地区：[1]东方电气集团东方汽轮机有限公司,四川德阳618000

出　　处：《东方汽轮机》2023年第1期1-4,共4页Dongfang Turbine

摘　　要：随着铸造工艺和材料研究的不断突破,大功率等级汽轮机低压内缸具备整体铸造条件,铸造汽缸结构形式简单灵活。文章就铸铁低压内缸开发过程中的一些关键技术进行研究,并通过三维有限元方法对汽缸进行结构优化设计,改善汽缸密封性,为类似机型结构设计提供参考。With the continuous breakthrough of casting technology and material research,the LP inner cylinder of high-power steam turbine has integral casting conditions,and the casting cylinder structure is simple and flexible.In this paper,some key technologies in the development of cast iron LP inner cylinder are studied,and the cylinder structure is optimized by 3D finite element method,which improves the cylinder sealing,and provides reference for the structural design of similar structures.

关 键 词：球墨铸铁 低压内缸 有限元分析 气密性 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]