Analysis and Countermeasure for Air Leakage of Ljungstrom Air Preheater

Sun Changxiang  Chen Jiagong  Lü Zhaoju

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Analysis and Countermeasure for Air Leakage of Ljungstrom Air Preheater

更新时间：2025-11-18

- Analysis and Countermeasure for Air Leakage of Ljungstrom Air Preheater
- Issue 1, Pages: 16-20(2003)
- 作者机构：
  
  1. 济南锅炉集团有限公司
  2. 济南锅炉集团有限公司山东济南250023
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.34
- Published：2003
- 稿件说明：
移动端阅览
[1]孙长祥,陈加功,吕兆聚.回转式空气预热器漏风因素分析及对策[J].四川电力技术,2003(01):16-20.

Sun Changxiang Chen Jiagong Lü Zhaoju. Analysis and Countermeasure for Air Leakage of Ljungstrom Air Preheater[J]. 2003, (1): 16-20.
[1]孙长祥,陈加功,吕兆聚.回转式空气预热器漏风因素分析及对策[J].四川电力技术,2003(01):16-20. DOI：

Sun Changxiang Chen Jiagong Lü Zhaoju. Analysis and Countermeasure for Air Leakage of Ljungstrom Air Preheater[J]. 2003, (1): 16-20. DOI：

摘要

容克式空气预热器是大中型电站锅炉上广泛采用的尾部换热设备

漏风率高是该类设备的致命缺点

所以在容克式空气预热器技术中

防止或降低漏风即密封技术占有很重要的地位。文中推导空气预热器漏风的一般性计算公式

分析影响漏风的因素

提出了采用双密封技术

新结构静密封

安装漏风自动控制系统等降低漏风的对策

Abstract

Ljungstrom air preheater is used widely in large and middle power boilers. Its fatal shortcoming is that it leaks more air than other kinds of heater. So reducing and preventing air leakage is highly important.This paper giver out the general calculating formula of leakage

analyses the factors that influence leakage

and offers some precautions such as doubel seals

new structure of static seal

automatic control system of leakage and so on.

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