关于一种汽轮机轴端汽封体密封结构的研究  

Study on the Sealing Structure of Steam Turbine Shaft End Gland Body

作　　者：董慧[1] 文谋[1] 段增辉[1] 李继朝[1] 欧楚雄[1] 王涛[1] DONG Hui;WEN Mou;DUAN Zenghui;LI Jichao;OU Chuxiong;WANG Tao(Dongfang Turbine Co.,Ltd.,618000,Deyang,Sichuan,China)

机构地区：[1]东方电气集团东方汽轮机有限公司,德阳618000

出　　处：《东方电气评论》2024年第4期64-66,共3页Dongfang Electric Review

摘　　要：本文对一种汽轮机轴端汽封体密封结构进行了研究,其特征在于:T型悬浮齿属于接触密封齿,受力时可自由退让,在一定程度上实现了零间隙密封,阻挡了汽封漏汽,增强了整体密封性能。针对该密封结构建模并进行有限元分析,结果表明该结构有效地减少了漏汽量使得汽轮机轴端整体密封效果显著提升。In this paper,a sealing structure of steam turbine shaft end gland body was studied.Its characteristics are as follows:the T-type suspension teeth belong to the contact sealing teeth,which can be freely backed off when stressed.To a certain extent,the zero clearance seal is realized,which prevents the steam leakage of the steam seal and enhances the overall sealing performance.The sealing structure is modeled and finite element analysis is carried out.The results show that the structure can effectively reduce the leakage of steam and improve the overall sealing effect of turbine shaft end significantly.

关 键 词：汽轮机 密封 悬浮齿 

分 类 号：TM263.2[一般工业技术—材料科学与工程]