针对双辽发电厂 1、2号炉回转式空气预热器存在漏风率大的问题 ,根据设备结构的特点 ,从径向密封和轴向密封入手 ,在安装 3、4号炉回转式空气预热器时提出了多项改进安装工艺的措施 ,并具体论述治理方法及其工艺过程。运行实践及测试结果表明 ,所采用的治理漏风的技术措施效果显著 ,达到了预期目的 In view of the large air leakage rate of rotary air preheaters No.1 and No.2 in Shuangliao Power Plant, according to the characteristics of equipment structure, starting from radial seal and axial seal, A number of measures to improve the installation process were proposed during the heat treatment, and the governance methods and processes were discussed in detail. Operational practices and test results show that the technical measures adopted to manage air leakage have achieved remarkable results and achieved the expected goals