NO<italic style="font-style: italic"><sub>x</sub></italic> emission characteristics of high-N fuel combustion in atmospheres rich in O<sub>2</sub> and steam

Chuanqiang ZHU; Shuyuan LIU; Jian YU; Shiqiu GAO; Guangwen XU

doi:10.11949/j.issn.0438-1157.20181042

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NO_x emission characteristics of high-N fuel combustion in atmospheres rich in O₂ and steam

Energy and environmental engineering | 更新时间：2026-07-24

- NO_x emission characteristics of high-N fuel combustion in atmospheres rich in O₂ and steam
- CIESC Journal Vol. 70, Issue 3, Pages: 1048-1055(2019)
- 作者机构：
  
  1.中国科学院过程工程研究所多相复杂系统国家重点实验室，北京 100190
  2.中国科学院大学化学化工学院，北京 100190
  3.光大环保技术研究院（南京）有限公司焚烧技术研究所，江苏南京 211100
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181042
  CLC： TQ 534
- Received：17 September 2018，
  
  Revised：2018-12-19，
  
  Online First：24 July 2026，
  
  Published：05 March 2019
- 稿件说明：
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朱传强, 刘殊远, 余剑, 高士秋, 许光文. 富氧富水蒸气条件下燃烧高氮燃料的NO_x排放特性[J]. 化工学报, 2019, 70(3): 1048-1055 DOI: 10.11949/j.issn.0438-1157.20181042.

ZHU Chuanqiang, LIU Shuyuan, YU Jian, GAO Shiqiu, XU Guangwen. NO_x emission characteristics of high-N fuel combustion in atmospheres rich in O₂ and steam[J]. CIESC Journal, 2019, 70(3): 1048-1055 DOI: 10.11949/j.issn.0438-1157.20181042.
朱传强, 刘殊远, 余剑, 高士秋, 许光文. 富氧富水蒸气条件下燃烧高氮燃料的NO_x排放特性[J]. 化工学报, 2019, 70(3): 1048-1055 DOI: 10.11949/j.issn.0438-1157.20181042. DOI：

ZHU Chuanqiang, LIU Shuyuan, YU Jian, GAO Shiqiu, XU Guangwen. NO_x emission characteristics of high-N fuel combustion in atmospheres rich in O₂ and steam[J]. CIESC Journal, 2019, 70(3): 1048-1055 DOI: 10.11949/j.issn.0438-1157.20181042. DOI：

摘要

在富氧富水蒸气条件下，研究了富含氮的燃料白酒糟在流化床中燃烧时NO

的排放特性。结果表明，在过量空气系数1.2条件下，水蒸气和O

对NO

的生成相互影响。当O

浓度低于约35%时，向燃烧气中加入水蒸气能抑制NO

生成，使烟气中NO

的排放浓度和燃料N转化为NO

的转化率降低；而当氧气浓度高于约35%时，加入水蒸气促进了NO

生成，表明提高氧气浓度使得氧化作用起到主导地位。NO

生成量随温度的升高先增加后减少

，在较高氧气浓度下，NO

生成量随温度升高而降低的转折点发生在较低的温度；燃烧气氛中添加水蒸气延迟了转折点的发生，使转折点发生在较高温度。

Abstract

The NO

emission characteristics of the nitrogen-rich fuel distiller's grains in a fluidized bed were studied under oxygen-rich and steam-rich conditions. The effect of steam on NO

emission is competitive with the influence from varying oxygen concentration in the combustion gas at the excessive air ratio of 1.2. When the oxygen concentration was below a value of about 35%

the steam addition decreased the NO

formation to lower the NO

concentration in the flue gas and also the fuel-N conversion into NO

. When oxygen concentration in the combustion gas was above the preceding critical value of about 35%

the addition of steam into the burning atmosphere resulted in higher NO

emission than the case without steam addition

showing the dominance of the enhanced oxidation with raising the O

concentration. The NO

emission would increase first and finally decrease with raising temperature

and the higher O

concentration in the combustion gas lowered the occurrence temperature for such a NO

decrease with raising temperature. The presence of steam in the combustion atmosphere delayed the occurrence of such a decrease so that it appeared at higher temperature.

关键词

Keywords

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⁰

NOx emission characteristics of high-N fuel combustion in atmospheres rich in O2 and steam

DOI：10.11949/j.issn.0438-1157.20181042

摘要

Abstract

关键词

Keywords

references

NO_x emission characteristics of high-N fuel combustion in atmospheres rich in O₂ and steam