CO<sub>2</sub>稀释天然气高压燃烧特性数值模拟

李强; 任磊; 许昊煜; 阮圣奇; 吴仲

doi:10.19666/j.rlfd.201806185

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CO₂稀释天然气高压燃烧特性数值模拟

发电技术论坛 | 更新时间：2025-09-28

- CO₂稀释天然气高压燃烧特性数值模拟
- Numerical simulation on high-pressure combustion characteristics of natural gas diluted with carbon dioxide
- 热力发电 2019年48卷第3期页码：114-119
- 作者机构：
  
  中国大唐集团科学技术研究院有限公司华东电力试验研究院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201806185
  中图分类号： TK16
- 网络出版日期：2019-02-26，
  
  纸质出版日期：2019
- 稿件说明：
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李强, 任磊, 许昊煜, 等. CO₂稀释天然气高压燃烧特性数值模拟[J]. 热力发电, 2019,48(3):114-119.

LI Qiang, REN Lei, XU Haoyu, et al. Numerical simulation on high-pressure combustion characteristics of natural gas diluted with carbon dioxide[J]. Thermal power generation, 2019, 48(3): 114-119.
李强, 任磊, 许昊煜, 等. CO₂稀释天然气高压燃烧特性数值模拟[J]. 热力发电, 2019,48(3):114-119. DOI： 10.19666/j.rlfd.201806185.

LI Qiang, REN Lei, XU Haoyu, et al. Numerical simulation on high-pressure combustion characteristics of natural gas diluted with carbon dioxide[J]. Thermal power generation, 2019, 48(3): 114-119. DOI： 10.19666/j.rlfd.201806185.

摘要

为了研究惰性气体稀释气体燃料高压燃烧后NO_x的排放规律

通过数值模拟计算的方法研究了CO_2稀释天然气在燃气轮机燃烧室内的高压燃烧特性。结果表明:各种压力下燃烧区域温度随着稀释率的增大明显降低

且燃烧区域高度也有所降低

燃烧提前;通过CO_2稀释天然气燃烧在一定的稀释率以内可以很好地控制NO_x的排放量

但超过这个稀释率NO_x排放量会上升;在高压下通过CO_2稀释天然气燃烧相对于低压时更容易控制NO_x的排放量。

Abstract

In order to study the emission rule of nitrogen oxides after high-pressure combustion of gaseous fuel diluted with inert gas

the high-pressure combustion characteristics of natural gas diluted with carbon dioxide in the gas turbine combustion chamber were studied by numerical simulation calculation. The results show that the temperature of the burning area decreases with the increase of the dilution rate

and the burning area height is also reduced. Moreover

the emissions of nitrogen oxide diluted with carbon dioxide can be well controlled within a certain dilution rate range

but nitrogen oxide emissions will rise it exceeds the dilution rate. In addition

it is also more easier to control nitrogen oxide emissions by the dilution of carbon dioxide during combustion of natural gas at higher pressures.

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CO2稀释天然气高压燃烧特性数值模拟

Numerical simulation on high-pressure combustion characteristics of natural gas diluted with carbon dioxide

DOI：10.19666/j.rlfd.201806185

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Abstract

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references

CO₂稀释天然气高压燃烧特性数值模拟