212m大型硫酸装置尾气烟囱内筒安装方法及实践

Installation methods and practice of the 212m exhaust chimney inner cylinder in a large-scale sulphuric acid plant

介绍了广西金川有色金属有限公司大型硫酸尾气烟囱的结构及安装过程。该烟囱外部为高210 m套筒式钢筋混凝土结构,内部安装直径6 700 mm、高212 m的玻璃钢内筒,采用先倒后顺、分段吊装的安装方法。实践证明,该方法非常适合大型烟囱的施工与安装。

The structure and installation methods of the exhaust chimney inner cylinder in a large-scale sulphuric acid plant in Guangxi Jinchuan Nonferrous Metal Co. , Ltd. is described. The outside of chimney was sleeve reinforced concrete structure with the height of 210 m and the inside was FRP inner cylinder,with the diameter of 6 700 mm and the height of 212 m, installation method being segmented hoisting. Practice showed that this method was very suitable for large-scale chimney construction and installation.