A simple-depth low NO<sub>x</sub> combustion technology on opposed firing boilers

TAO Jun; YANG Peijun; YUN Panfeng; ZHAO Weidong

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A simple-depth low NO_x combustion technology on opposed firing boilers

Thermal Power Generation Vol. 44, Issue 1, Pages: 119-124(2015)

更新时间：2025-09-28

- A simple-depth low NO_x combustion technology on opposed firing boilers
- 作者机构：
  
  1. 浙江浙能嘉华发电有限公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2015
- 稿件说明：
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TAO Jun, YANG Peijun, YUN Panfeng, et al. A simple-depth low NO_x combustion technology on opposed firing boilers[J]. Thermal Power Generation, 2015, 44(1): 119-124.
DOI：

TAO Jun, YANG Peijun, YUN Panfeng, et al. A simple-depth low NO_x combustion technology on opposed firing boilers[J]. Thermal Power Generation, 2015, 44(1): 119-124. DOI：

摘要

通过对某600MW机组对冲燃烧锅炉燃烧器进行CFD数值计算

探讨了低氮燃烧改造的机理

模拟得到了其改造后的流场、NO浓度场、O2浓度场等。锅炉性能测试结果表明

低氮燃烧器改造后SCR入口NOx浓度比改造前降低了53.57%

锅炉效率比改造前略有提高

数值模拟对NOx生成的预测结果与实测值基本吻合

低氮燃烧器改造达到了预期目的。

Abstract

The retrofit principle of swirling burners was studied by CFD numerical simulation

concerned with the decrease of NOxon a 600 MW unit boiler.The numerical simulation of flow field

NO concerntration field and O2 concerntration field were presented.The boiler performance tests indicate that the NOx concerntration at inlet of the SCR was decreased by 53.57%

meanwhile the boiler efficiency was increased.The NOxconcerntration computed by the CFD simulation coincides with the test results well

and the low NOxcombustion retrofit reaches the expected goal.

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Related Institution

College of Energy and Power Engineering,Northeast Dianli University

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

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A simple-depth low NOx combustion technology on opposed firing boilers

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A simple-depth low NO_x combustion technology on opposed firing boilers