合成气/氮氧化物的氧化特性实验与反应动力学研究

刘昀洋; 赵韵; 尤佳俊; 殷阁媛; 胡二江; 黄佐华; 包炀阳

doi:10.7652/xjtuxb202502008

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合成气/氮氧化物的氧化特性实验与反应动力学研究

更新时间：2026-01-06

- 合成气/氮氧化物的氧化特性实验与反应动力学研究
- Experimental and Kinetic Modeling on the Oxidation Characteristics of Syngas/Nitrogen Oxides
- 西安交通大学学报 2025年59卷第2期页码：73-83
- 作者机构：
  
  1.西安交通大学动力工程多相流国家重点实验室， 710049，西安
  2.中国联合重型燃气轮机技术有限公司， 100016，北京
- 作者简介：
  
  刘昀洋（2000—），女，博士生；
  殷阁媛（通信作者），女，副教授，博士生导师。
- 基金信息：
  
  国家科技重大专项资助项目(J2019-Ⅲ-0018-0062)
- DOI：10.7652/xjtuxb202502008
  中图分类号： TK407.9
- 收稿：2024-07-01，
  
  网络首发：2024-10-25，
  
  纸质出版：2025-02-10
- 稿件说明：
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刘昀洋, 赵韵, 尤佳俊, 等. 合成气/氮氧化物的氧化特性实验与反应动力学研究[J]. 西安交通大学学报, 2025,59(2):73-83.

LIU Yunyang, ZHAO Yun, YOU Jiajun, et al. Experimental and Kinetic Modeling on the Oxidation Characteristics of Syngas/Nitrogen Oxides[J]. Journal of Xi’an Jiaotong University, 2025, 59(2): 73-83.
刘昀洋, 赵韵, 尤佳俊, 等. 合成气/氮氧化物的氧化特性实验与反应动力学研究[J]. 西安交通大学学报, 2025,59(2):73-83. DOI： 10.7652/xjtuxb202502008.

LIU Yunyang, ZHAO Yun, YOU Jiajun, et al. Experimental and Kinetic Modeling on the Oxidation Characteristics of Syngas/Nitrogen Oxides[J]. Journal of Xi’an Jiaotong University, 2025, 59(2): 73-83. DOI： 10.7652/xjtuxb202502008.

摘要

为明晰合成气与氮氧化物（NO

）之间的相互作用机制，采用高压流动反应器，在623~1 273 K温度下，实验分析了不同压力（0.19，1.80 MPa）、不同NO

初始摩尔分数（0，0.092 5%，0.185%）工况下，典型煤制合成气掺混NO

的氧化特性。基于6种已有的反应动力学模型开展模拟计算，并结合实验结果和计算得到的反应速率常数，更新了CRECK-2019模型。采用更新后的模型进一步开展反应动力学分析，揭示了合成气/NO

氧化过程的关键反应。研究结果表明：升高压力对合成气的低温氧化存在促进作用，且促进作用随NO

掺混量的增大而增强；掺混NO

对0.19 MPa下合成气的低温氧化无明显影响，而对1.80 MPa下的低温氧化存在促进作用，且对不同压力下的中、高温氧化均存在抑制作用

；反应H

+NO

=H+HONO对高压下合成气/NO

的氧化有显著贡献，反应HNO+NO

=HONO+NO、HNO+H=NO+H

和HNO+OH=NO+H

O严重影响着中高温下OH的生成。研究结果可为合成气燃气轮机开发与污染物排放控制提供理论支撑。

Abstract

To clarify the interaction mechanism between syngas and nitrogen oxides (NO

)

the oxidation characteristics of typical coal-derived syngas doped with NO

at different pressures (0.19

1.80 MPa) and initial mole fractions of NO

0.092 5%

0.185%) were measured and analyzed in a high-pressure flow reactor over a temperature range of 623 to 1 273 K. Simulations were conducted using six previously published kinetic models

and the CRECK-2019 model was updated based on experimental results and the latest calculated reaction rate constants. This updated model was used for a detailed kinetic analysis

revealing key reactions in the oxidation process of syngas/NO

. The experimental results show that increased pressure enhanced the low-temperature oxidation of syngas as NO

doping increased. NO

doping had no significant effect on the low-temperature oxidation of syngas at 0.19 MPa

whereas it promoted low-temperature oxidation at 1.80 MPa and inhibited oxidation at medium and high temperatures across different pressures. The reaction H

+NO

=H+HONO contributed significantly to the oxidation of syngas/NO

at high pressure. Additionally

the reactions HNO+NO

=HONO+NO

HNO+H=NO+H

and HNO+OH=NO+H

O strongly influenced the generation of OH at medium and high temperatures. This study can provide a theoretical foundation for the design and pollutant emission control of syngas turbine.

关键词

Keywords

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