等离子体耦合甲烷增强氨燃烧特性研究

钟世龙; 林启富; 吴殿武; 宋亚伟; 刘成周; 武晨; 陈龙威; 李振阳; 陈维晔; 冯汉升; 罗广南

doi:10.19666/j.rlfd.202505093

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等离子体耦合甲烷增强氨燃烧特性研究

热力发电 2025年54卷第8期页码：131-141

碳中性燃料耦合燃烧与排放控制 | 更新时间：2026-08-11

- 等离子体耦合甲烷增强氨燃烧特性研究
- Enhancement of ammonia combustion characteristics by coupling methane with plasma
- 作者机构：
  
  1. 安徽工业大学能源与环境学院
  2. 合肥综合性国家科学中心能源研究院(安徽省能源实验室)
  3. 安徽理工大学地球与环境学院
  4. 中国科学院合肥物质科学研究院等离子体物理研究所
- 作者简介：
- 基金信息：
  
  国家重点研发计划项目(2023YFB4005705,2023YFB4005702-03);国家自然科学基金项目(52207151);合肥综合性国家科学中心能源研究院(安徽省能源实验室)自主立项项目(22KZZ525,23KZS402,22KZS301,22KZS304)~~
- DOI：10.19666/j.rlfd.202505093
  中图分类号： TK16
- 纸质出版：2025
- 稿件说明：
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[1]钟世龙,林启富,吴殿武,等.等离子体耦合甲烷增强氨燃烧特性研究[J],2025,54(08):131-141.
[1]钟世龙,林启富,吴殿武,等.等离子体耦合甲烷增强氨燃烧特性研究[J],2025,54(08):131-141. DOI： 10.19666/j.rlfd.202505093.

DOI：10.19666/j.rlfd.202505093.

摘要

针对氨燃料燃烧性能差和尾气NO

排放量高的问题，在耦合滑动电弧等离子体发生器的旋流燃烧器上开展增强氨燃烧的实验，研究了甲烷助燃、等离子体助燃以及等离子体耦合甲烷助燃等不同助燃方式对氨燃烧旋流火焰特性和NO生成特性的影响。实验结果表明：相较于甲烷助燃，等离子体耦合甲烷助燃和等离子体助燃都能有效提高氨燃烧稳定性，扩展氨旋流火焰稳燃极限范围，在NH

/空气当量比为0～5.0的范围内均可正常燃烧；与单一的甲烷助燃及等离子体助燃相比，等离子体耦合甲烷助燃(等离子体功率为0.8 kW、甲烷输入量为1 L/min)工况下放电产生的H_α及OH活性粒子能够得到显著增强，进而增强了等离子体助燃中的化学效应，并且在NH

/空气当量比从0.6增加至0.8时，尾气中NO排放质量浓度从超过7 000 mg/m

开始快速下降至100 mg/m

左右。此外，气体温度只比单纯等离子体助燃工况稍低，单纯等离子体助燃工况下的氨燃烧火焰温度最高可达2 030 K左右。

Abstract

To tackle the challenges associated with the poor combustion performance of ammonia fuels and the high NO

emissions in exhaust gases

experimental research on enhancing ammonia combustion through the use of a swirling burner combined with a gliding arc plasma generator was carried out. The effects of various combustion enhancement methods

including methane-assisted combustion

plasma-assisted combustion

and plasma-coupled methane-assisted combustion

on the combustion characteristics of NH

swirling flames and

the generation of NO were investigated. The experimental results indicated that

compared with the methane-assisted combustion

both plasma-coupled methane-assisted combustion and plasma-assisted combustion significantly enhanced the stability of ammonia combustion. This improvement was evidenced by a substantial expansion of the stable combustion limit range of the NH

swirling flame

enabling normal combustion within an NH

/Air equivalence ratio range of 0～5.0. In comparison to single methane-assisted or plasma-assisted combustion

plasma-coupled methane-assisted combustion(with a plasma power of 0.8 kW and a methane flow rate of 1 L/min) significantly enhanced the active species Hα and OH generated by the discharge

thereby strengthening the chemical effects in plasma-assisted combustion. Under these conditions

the NO emission mass concentration in the exhaust gases rapidly decreased from over 7 000 mg/m

to approximately 100 mg/m

as the NH

/Air equivalence ratio was increased from 0.6 to 0.8. Furthermore

the gas temperature under these conditions was only slightly lower than that observed in pure plasma-assisted combustion

where the flame temperature of ammonia combustion could reach up to approximately 2 030 K.

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