240m烟囱钢内筒气压顶升倒装施工法  

Pneumatic Jacking Inverted Construction for 240 m Stack Inner Steel Cylinder

作　　者：汪公河[1] 王利杰[1] 

机构地区：[1]安徽电力建设第一工程公司,合肥市230088

出　　处：《电力建设》2009年第9期76-78,共3页Electric Power Construction

基　　金：国家工程项目(发改能源[2007]490号)

摘　　要：合肥皖能发电厂5号机组为600 MW超临界燃煤机组,该机组的烟囱为240 m的单套筒式结构。在该烟施工中采用气顶装置使烟囱钢内筒缓慢起升。介绍了钢内筒气顶装置的安装与布置,钢筒体采用倒装法安装方法以及气顶作业的施工方法。Hefei Wanneng Power Plant No. 5 unit is a 600 MW supercritical coal-fired unit, whose stack is a 240 m single-sleeve type structure. During its installation a pneumatic jacking device is used to lift the stack inner steel cylinder slowly. The paper introduces installation and arrangement of the jacking device. The steel cylinder is lifted by inverted installation and pneumatic jacking-up.

关 键 词：烟囱 钢内筒 气顶装置 倒装法 

分 类 号：TK223.28[动力工程及工程热物理—动力机械及工程]