Study on Combustion and Emission Performance of Hydrogen Fuel Gas Turbine Combustor

LI Xiangsheng; GUO Han; YU Hongfei; ZHENG Pengfei

doi:10.7652/xjtuxb202206002

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Study on Combustion and Emission Performance of Hydrogen Fuel Gas Turbine Combustor

更新时间：2025-04-27

- Study on Combustion and Emission Performance of Hydrogen Fuel Gas Turbine Combustor
- Vol. 56, Issue 6, Pages: 9-16(2022)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202206002
  CLC： TK26
- Online First：10 June 2022，
  
  Published：2022
- 稿件说明：
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LI Xiangsheng, GUO Han, YU Hongfei, et al. Study on Combustion and Emission Performance of Hydrogen Fuel Gas Turbine Combustor[J]. 2022, 56(6): 9-16.
DOI：

LI Xiangsheng, GUO Han, YU Hongfei, et al. Study on Combustion and Emission Performance of Hydrogen Fuel Gas Turbine Combustor[J]. 2022, 56(6): 9-16. DOI： 10.7652/xjtuxb202206002.

摘要

为了研究以天然气为燃料的干式低排放(DLE)贫预混(LP)燃烧室改用氢燃料时的性能变化和掺氢极限

满足低碳排放燃机安全可靠运行的要求

以某F级发电用重型燃气轮机燃烧室为研究对象

数值研究了天然气/氢气混合燃料不同掺氢比(H

体积分数0～100%共6种工况)对燃烧室燃烧和排放性能的影响

分析了燃烧室可能出现的问题。研究表明

燃用天然气的LP燃烧室在改用氢燃料时

存在着回火的巨大风险

在掺氢比达40%时回火导致的燃烧器喷口高温区域明显

在更高的掺氢比下存在烧毁的可能

且高氢条件下回火发生且向上游传播

为机组运行带来巨大的安全问题。中心以扩散方式工作的值班燃烧器不存在回火风险。产物中CO和CO

的含量随掺氢比的增加而降低

O含量增加; NO

的排放量随氢含量的增加呈现增加的趋势

但增幅并不显著。

Abstract

To meet the requirements of the safety and reliability for de-carbonization of gas turbine power systems

the performance changes and hydrogen admixture limits of the dry low emission(DLE)lean premixed(LP)combustor fueled with natural gas when switching to hydrogen fuel was numerically studied. The F-class heavy-duty gas turbine combustor for power generation was selected as the study object. Details of the actual combustor geometry were included in the simulations. The effects of different hydrogen admixture ratios of natural gas(6 working conditions of volume content for 0-100% H

)on the combusti

on and emission performance of the gas turbine combustor are numerically studied. Potential problems in the combustion chamber during fuel switching are analyzed. The results have shown that there is a huge risk of flashback when significant amounts of hydrogen are added to fuel mixtures in the LP combustor fueled with natural gas. When the hydrogen content reaches 40%

the high temperature area of the burner nozzle caused by the flashback is obvious. With a higher hydrogen content

the head parts of the combustion chamber is at risk of being burned down and the high temperature flame may propagates upstream along the pipeline

which brings huge safety problems to the system. There is no risk of flashback in the diffusion flame hold in the center pilot burners. The content of CO and CO

in the product decrease and the content of H

O increase with the increase of the hydrogen mixing ratio. NO

levels in the combustor outlet show an increasing trend with the increase of the hydrogen content

but the rate of increase is not significant.

关键词

Keywords

references

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