Demonstration on scheme of low NO<sub>x</sub> combustion combined with SCR denitrification

LI Haibin Jiugang Power Corporation Limited

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Demonstration on scheme of low NO_x combustion combined with SCR denitrification

更新时间：2025-09-28

- Demonstration on scheme of low NO_x combustion combined with SCR denitrification
- Thermal Power Generation Vol. 42, Issue 6, Pages: 17-20(2013)
- 作者机构：
  
  神华国能酒钢发电有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X773
- Published：2013
- 稿件说明：
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LI Haibin Jiugang Power Corporation Limited. Demonstration on scheme of low NO_x combustion combined with SCR denitrification[J]. Thermal power generation, 2013, 42(6): 17-20.
DOI：

LI Haibin Jiugang Power Corporation Limited. Demonstration on scheme of low NO_x combustion combined with SCR denitrification[J]. Thermal power generation, 2013, 42(6): 17-20. DOI：

摘要

对某电厂一期2×600MW机组锅炉进行脱硝改造。根据锅炉实际情况

选用低氮燃烧器LNB+选择性催化还原(SCR)的改造方案

即首先利用低氮燃烧器将NOx排放浓度由600mg/m3降低到300mg/m3左右

再通过SCR装置将NOx排放浓度进一步降低至100mg/m3以下。脱硝改造后全年NOx排放量减少了13 718t。同时

分析了低氮燃烧改造对炉内燃烧的影响

以及SCR反应器改造对空气预热器、静电除尘器、引风机的影响

并提出相应的解决措施。

Abstract

Denitration transformation on two 600 MW units was conducted.According to the actual status of the boilers

low NOx burner combined with SCR denitrification scheme was adopted.By the low NOx burner

the NOx emission concentration was dropped from 600 mg/m3 to about 300 mg/m3.With the SCR equipment

it was further reduced to below 100 mg/m3.After the denitrification retrofit

the total NOx emission decreased by 13 718 t the whole year.The effect of low NOx combustion transformation on the furnace combustion was analyzed

and the influence of SCR reactor retrofit on the air preheater

electrostatic precipitator and induced draft fan was also investigated.The corresponding countermeasures were put forward.

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Related Author

GAO Peng1

GAO Ming2

ZHANG Jianwen3

XIE Jianwen4 1.Shenhua Guangdong Guohua Yudean Taishan Power Generation Co.Ltd.

XUE Xiaolei

YU Shengjie

CHEN Min

WANG Xiaohua

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Guohua Electric Power Research Institute

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Xi'an Thermal Power Research Institute Co., Ltd. Suzhou Branch

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Demonstration on scheme of low NOx combustion combined with SCR denitrification

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Demonstration on scheme of low NO_x combustion combined with SCR denitrification