900 MW 机组凝汽器结构特点和安装方法 - 电力建设.PDF

第 24 卷 　第 3 期 电　力 　建 　设 Vol. 24 　No. 3 ·8 · 2003 年 3 月 Electric Power Construction Mar ,2003 　 ·电源建设· 900 MW 机组凝汽器结构特点和安装方法 陈水龙 ( 安徽电建二公司 , 安徽省淮南市,232007) [ 摘 　要 ] 　上海外高桥电厂 900 MW 机组凝汽器的结构特点是 :凝汽器与低压缸为刚性联接; 凝汽器采用弹簧支撑 , 且可多向膨胀; 设置抽空气母管 ,使空冷区的空气直接、迅速抽出; 采用阴极保护和衬胶进行防腐。建议 :为保证支撑 弹簧受力均匀 , 安装时可在弹簧座上设千斤顶 ,测间距 ,配垫片; 凝汽器顶部应设计成“T”型。 [ 关键词] 　900 MW 机组 　凝汽器 　结构特点 　安装方法 + ( ) 中图分类号: TK264 . 1 1 　文献标识码 :B 　文章编号 :1000 - 7229 2003 03 - 0008 - 02 Structural Characters of 900 MW Unit Condenser and Its Installation Method Chen Shuilong (Anhui No. 2 Electric Power Construction Company , Huainan city , Anhui Province , 232007) [ Abstract] 　The structural characters of condenser for 900 MW unit in Shanghai Waigaoqiao Power Plant are as follows : stiff linkage of condenser with LP casing , spring support for condenser with expansion in multi - directions , installation of air extraction mains for direct and quick extraction of air from air cooling area , cathode protection and rubber lining for anti - corrosion. The comments are that a jack can be provided on the spring stand to ensure the uniform supporting force applied on the springs with measurement of distance and installation of spacers ; while the top of condenser should be designed with “T”shape. [ Keywords] 　900 MW unit ; condenser ; structural characters ; installation method 　　上海外高桥电厂二期工程安装 2 台 900 MW 超 1. 1 　与低压缸的连接型式 临界燃煤机组, 其凝汽器由西门子公司设计 , 上海电 300 MW 及以上机组 , 凝汽器与低压缸大多采 站辅机厂按西门子公司技术要求加工生产。基本型