邹县发电厂空预器漏风分析及节能改造

邹县发电厂空预器漏风分析及节能改造
盛兆忠
邹县发电厂锅炉队，山东省邹城市唐村镇 273522
Analysis on the Air Leakage of air preheater and reconstruction at Zouxian Power Plant
SHENG Zhao-zhong
Boiler Department of Zouxian Power Plant, Tangcun Zoucheng Shandong Province 273522

摘要：对空预器漏风情况进行了分析，对各种密封技术进行了介绍及比较。介绍了邹县发电厂空预器柔性密封改造情况，对比了改造前后漏风情况，对柔性密封改造技术给予了肯定。
关键词：空预器；漏风；改造；柔性接触式密封
ABSTRACT: Air leakage of air preheater was analyzed and different kinds of seal technology was introduced and compared. It introduced and analyzed the reconstruction of flexible contact seal of air preheater in Zouxian Power Plant. Air leakage of air preheater was compared before and after reconstruction. It proved successful application of flexible contact seal in rotating air preheater.
KEY WORD: air preheater; air leakage; reconstruction; flexible contact seal


1 概述
空气预热器是利用锅炉的排烟热量来预热空气的设备，其作用是：降低锅炉等设备的排烟温度，提高热效率；提高空气的温度，使燃料易于着火、稳定燃烧和提高燃烧效率。

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