MEASURES AND METHODS FOR DECREASING FLUE GAS TEMPERATURE OF BOILERS

Li Zhenqiang

doi:10.19666/j.rlfd.2003.07.013

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MEASURES AND METHODS FOR DECREASING FLUE GAS TEMPERATURE OF BOILERS

Thermal Power Generation Issue 7, Pages: 41-42(2003)

更新时间：2025-09-28

- MEASURES AND METHODS FOR DECREASING FLUE GAS TEMPERATURE OF BOILERS
- 作者机构：
  
  马鞍山发电厂,安徽,马鞍山,243021
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2003.07.013
  CLC： TK227
- Published：2003
- 稿件说明：
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Li Zhenqiang. MEASURES AND METHODS FOR DECREASING FLUE GAS TEMPERATURE OF BOILERS[J]. Thermal Power Generation, 2003, (7): 41-42.
DOI：

Li Zhenqiang. MEASURES AND METHODS FOR DECREASING FLUE GAS TEMPERATURE OF BOILERS[J]. Thermal Power Generation, 2003, (7): 41-42. DOI： 10.19666/j.rlfd.2003.07.013.

摘要

分析了马鞍山发电厂SG 4 2 0 / 13.7M4 18型 2× 12 5MW机组锅炉排烟温度高的原因。通过制粉系统、燃烧系统、吹灰系统的改造以及增加炉内受热面等

使排烟温度降低了近 2 5℃

锅炉效率提高了 1.5 %～ 2 %

每年因此可节约标准煤近百万吨

改造效果比较显著

Abstract

The causes leading to high flue gas temperature of SG-420/13.7-M418 type boilers for 2×125MW units in Ma'an shan Power Plant have been analysed. Through retrofitting coal-pulverizing system

combustion system and soot-blowing system

as well as increasing area of heating surface etc.

the flue gas temperature has been lowered by about 25℃

the boiler efficiency being enhanced by 1.5%～2%

hence

about one million t of standard coal can be economized in only one year

the effectiveness of retrofitting being comparatively obvious.

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