EXPERIMENTAL STUDY ON CONVERSION RATE OF FUEL-NITROGEN TO NOx FOR SWIRL-OPPOSED FIRING BOILER

ZHENG Liguo; WEI Gang; ZHANG Wande Hebei Electric Power Research Institute

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EXPERIMENTAL STUDY ON CONVERSION RATE OF FUEL-NITROGEN TO NOx FOR SWIRL-OPPOSED FIRING BOILER

更新时间：2025-09-28

- EXPERIMENTAL STUDY ON CONVERSION RATE OF FUEL-NITROGEN TO NOx FOR SWIRL-OPPOSED FIRING BOILER
- Thermal Power Generation Vol. 41, Issue 9, Pages: 29-31(2012)
- 作者机构：
  
  河北省电力研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2012
- 稿件说明：
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ZHENG Liguo, WEI Gang, ZHANG Wande Hebei Electric Power Research Institute. EXPERIMENTAL STUDY ON CONVERSION RATE OF FUEL-NITROGEN TO NOx FOR SWIRL-OPPOSED FIRING BOILER[J]. Thermal power generation, 2012, 41(9): 29-31.
DOI：

ZHENG Liguo, WEI Gang, ZHANG Wande Hebei Electric Power Research Institute. EXPERIMENTAL STUDY ON CONVERSION RATE OF FUEL-NITROGEN TO NOx FOR SWIRL-OPPOSED FIRING BOILER[J]. Thermal power generation, 2012, 41(9): 29-31. DOI：

摘要

在不同负荷下对某电厂300MW机组旋流对冲燃烧锅炉空气预热器出口NOx排放浓度、烟气成分、排烟温度等进行了测试

计算了燃料氮生成燃料型NOx的转化率

并对其与运行氧量、锅炉负荷、锅炉效率之间的关系进行了分析。结果表明

旋流对冲燃烧锅炉燃料氮生成NOx的转化率在20%～30%之间;炉膛温度较运行氧量对燃料氮生成NOx的转化率影响较大。

Abstract

To stuy the source of NOx discharged by coal fired power plant

an experimental study on a 300 MW subcritical swirl-opposed firing boiler was carried out.NOx emission at outlet of the air preheater

flue gas components and exhaust gas temperature were measured under different unit loads.Conversion rate of fuel-nitrogen to fuel-NOx was calculated based on the fuel-NOx formation mechanism

furthermore

its relationship with indexes such as oxygen concentration

boiler load and efficiency was analyzed.Results show that

the conversion rate of fuel-nitrogen to NOx of the swirl-opposed boiler is between 20% and 30%.Compared to the oxygen concentration

furnace temperature has stronger influence on the fuel-nitrogen transformation.

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