Experimental study on retrofited low NO<sub>x</sub> burner of a 350 MW unit boiler

WANG Xiaohua Xi'an Thermal Power Research Institute Co.

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Experimental study on retrofited low NO_x burner of a 350 MW unit boiler

更新时间：2025-09-28

- Experimental study on retrofited low NO_x burner of a 350 MW unit boiler
- Thermal Power Generation Vol. 42, Issue 6, Pages: 58-64(2013)
- 作者机构：
  
  西安热工研究院有限公司苏州分公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.23
- Published：2013
- 稿件说明：
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WANG Xiaohua Xi'an Thermal Power Research Institute Co.. Experimental study on retrofited low NO_x burner of a 350 MW unit boiler[J]. Thermal power generation, 2013, 42(6): 58-64.
DOI：

WANG Xiaohua Xi'an Thermal Power Research Institute Co.. Experimental study on retrofited low NO_x burner of a 350 MW unit boiler[J]. Thermal power generation, 2013, 42(6): 58-64. DOI：

摘要

某电厂2号机组锅炉燃烧器改造前NOx排放浓度约718～972mg/m3

采用BHK技术的新型HT-NR3燃烧器和全炉膛分级燃烧技术对2号机组锅炉低NOx燃烧系统进行了改造。试验结果表明

燃烧器改造后

机组在320MW负荷、各种磨煤机组合运行方式、3个不同煤种条件下

烟气中CO排放浓度小于80μL/L

NOx排放浓度在306～358mg/m3。与改造前相比

NOx排放浓度平均降幅达58.7%

改造效果显著。

Abstract

The NOx emission concentration of the NO.2 boiler in a power plant was about 718-972 mg/m3

which can not meet the national policy requirements.Thus

by the new type HT-NR3 burner applying the BHK technology and the whole furnace staged combustion technology

retrofit on the low NOx combustion system was conducted.The experimental results showed that

after the retrofit

with unit load of 320 MW

under a variety of mill combination modes and three kinds of coal conditions

the CO emission concentration was lower than 80μL/L

and the NOx emission concentration was between 306 and 358 mg/m3.Compared with the unit before retrofit

the NOx emission concentration dropped by 58.7% averagely

indicating the retrofit effect was obvious.

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Related Author

ZHOU Rongcan

SHEN Jianxun

QIAN Gejin

GUO Shifan

LI Haibin

HU Hao

RAN Shenming

ZHU Haiyi

Related Institution

Xi’an Thermal Power Research Institute Co., Ltd.

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Experimental study on retrofited low NOx burner of a 350 MW unit boiler

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Experimental study on retrofited low NO_x burner of a 350 MW unit boiler