电站锅炉回转式空气预热器漏风治理
刘祎
（华电湖北发电有限公司，湖北武汉430062）
摘要： 回转式空气预热器在应用中容易出现漏风超标问题，对其原因进行详细分析并提出漏风的治理措施。积极采取措
施降低空气预热器漏风率，对空气预热器进行径向密封改造、环形密封改造和轴向密封改造，使得其漏风率有所下降。
关键词： 空气预热器；漏风率；密封改造
中图分类号： TM261 文献标识码： A 文章编号： 2095-0802-(2016)01-0122-02
The Air Leakage Controls of Utility Boiler Rotary Air Preheater
LIU Yi
(Huadian Hubei Power Generation Co., Ltd., Wuhan 430062, Hubei, China)
Abstract: Rotary air preheater is prone to excessive leakage problems in the application. This paper made a detailed analysis of
its causes and proposed measures for air leakage control. Take active measures to reduce air preheater leakage rate of radial seal
air preheater transformation, annular seal transformation and axial seal transformation, making its leakage rate has declined.

Key words: air preheater; air leakage rate; seal transformation