大功率汽轮机低压内缸加工技术现状及改进方向初探  

Improvement Direction and Current Status of Processing Technology for LP Inner Cylinder of Heavy Power Steam Turbine

作　　者：谢龙飞[1] 刘祥[1] 罗霞[1] 张斌[1] 吴攀[1] 卞文 XIE Longfei;LIU Xiang;LUO Xia;ZHANG Bin;WU Pan;BIAN Wen(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》2020年第4期43-47,共5页Dongfang Turbine

摘　　要：文章从工艺层面分析了公司300~1 000 MW级火电汽轮机和CAP1400核电汽轮机低压内缸结构特点和支撑方式,通过总结目前加工中存在的问题,提出了保证加工精度、降低制造成本的工艺方案。This paper analyzes the structural features and supporting modes of the LP inner cylinder of 300~1 000 MW thermal power steam turbine and CAP1400 nuclear power steam turbine from the processing technology. By summarizing the existing problems in the machining procedure, the processing plan to ensure the machining accuracy and reduce the manufacturing cost is presented.

关 键 词：低压内缸 支撑方式 加工现状 工艺方案 制造成本 

分 类 号：TK266[动力工程及工程热物理—动力机械及工程]