Low NO<sub>x</sub> burner modification and the problems processing

LIU Zhijiang Shenhua Fujian Energy Company Limited

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Low NO_x burner modification and the problems processing

Thermal Power Generation Vol. 42, Issue 3, Pages: 77-81(2013)

更新时间：2025-09-28

- Low NO_x burner modification and the problems processing
- 作者机构：
  
  神华(福建)能源有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.23
- Published：2013
- 稿件说明：
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LIU Zhijiang Shenhua Fujian Energy Company Limited. Low NO_x burner modification and the problems processing[J]. Thermal Power Generation, 2013, 42(3): 77-81.
DOI：

LIU Zhijiang Shenhua Fujian Energy Company Limited. Low NO_x burner modification and the problems processing[J]. Thermal Power Generation, 2013, 42(3): 77-81. DOI：

摘要

某电厂330MW机组锅炉存在NOx排放量高

无法满足排放要求等问题

对此

采用双尺度低NOx燃烧技术对锅炉燃烧器进行了改造。改造后

锅炉在燃用现有煤种、机组负荷165～330MW、保证锅炉效率的前提下

NOx排放量可以稳定控制在200mg/m3以内

CO排放浓度在100μL/L以内。针对改造后出现的再热汽温波动大、汽温低等问题

通过治理炉底漏风以及优化燃烧配风得以解决。

Abstract

The high NOx emission from a 330 MW unit boiler can not satisfy the emission requirement.Thus

on the basis of low NOx combustion technology

modification on the boiler burner was conducted.After the improvement

with the unit load ranging from 165 MW to 330 MW

the NOx and CO emission can be controlled within 200 mg/m3 and 100 μL/L

respectively

on the premise of using present coal as the fuel and the boiler efficiency was ensured.By treatment of the furnace bottom air leakage and optimization of the combustion air distribution

problems occurred after the retrofitting such as large temperature fluctuation and low temperature of the reheat steam were solved.

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Related Author

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Low NOx burner modification and the problems processing

DOI：

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Low NO_x burner modification and the problems processing