Research and application on reducing the flue gas temperature of boilers

PEI Hai-ling; ZHOU Nai-jun

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Research and application on reducing the flue gas temperature of boilers

更新时间：2025-11-18

- Research and application on reducing the flue gas temperature of boilers
- Issue 2, Pages: 54-55+59(2005)
- 作者机构：
  
  1. 中南大学能源与动力工程学院
  2. 中南大学能源与动力工程学院湖南长沙410083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2005
- 稿件说明：
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[1]裴海灵,周乃君.螺旋肋片管省煤器在降低锅炉排烟温度中的应用[J].湖南电力,2005(02):54-55+59.

PEI Hai-ling, ZHOU Nai-jun. Research and application on reducing the flue gas temperature of boilers[J]. 2005, (2): 54-55+59.
[1]裴海灵,周乃君.螺旋肋片管省煤器在降低锅炉排烟温度中的应用[J].湖南电力,2005(02):54-55+59. DOI：

PEI Hai-ling, ZHOU Nai-jun. Research and application on reducing the flue gas temperature of boilers[J]. 2005, (2): 54-55+59. DOI：

摘要

针对某公司热电厂2号锅炉排烟温度过高的问题

以锅炉综合测试和热力计算结果为依据

分析了造成排烟温度过高的原因

提出了采用螺旋肋片管式省煤器以增加尾部受热面的方案。改造后的运行实践表明

锅炉在满负荷运转时排烟温度平均可降低40℃以上

热效率可提高2 .2 7个百分点。

Abstract

According to factors affecting boilers flue gas t em perature

this paper analyzes the problem and cause of excessive high flue gas t emperature existing in one factorys No.2 boiler on the basis of t he boiler comprehensive test and thermodynamic calculation. The scheme that adop t economizer with helix-side-slice has been put forward in order to increase t he back-end surface. The operation practice indicates that the boilers flue g as temperature can be reduced at least by 40℃ and thermo-efficiency be improve d by 2.27%.

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