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Experimental study on micro-mixing combustion technology of hydrogen-doped gas
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Xiaoqian ZHANG1, Jiankun ZHUO2, Yong TANG3, Baisong CHEN2, Xiangnan CHEN3, Qiang YAO1, 2
Thermal Power Generation | 2025, 54(4) : 24 - 32
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Thermal Power Generation | 2025, 54(4): 24-32
• Special topic on new energy power generation technology •
Experimental study on micro-mixing combustion technology of hydrogen-doped gas
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Xiaoqian ZHANG1, Jiankun ZHUO2, Yong TANG3, Baisong CHEN2, Xiangnan CHEN3, Qiang YAO1, 2
Affiliations
  • 1.The College of Electrical Engineering, Xinjiang University, Urumqi 830046, China
  • 2.Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China
  • 3.School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100008, China
Published: 2025-04-25 doi: 10.19666/j.rlfd.202406159
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To address the issues of flashback and high NOx emissions in hydrogen-enriched gas combustion, a swirl-stabilized burner was designed using mild premixed combustion technology, and a feasibility study was conducted for its application in industrial boilers. Using a combination of experimental and numerical simulation methods, the study explored the equivalence ratio adjustment range of the mild premixed burner and the influence of hydrogen blending ratio on flame shape and pollutant emission characteristics. The experimental results showed that the mild premixed burner can achieve a wide hydrogen blending heat ratio adjustment range of 0~100%. The addition of hydrogen promoted a more uniform flame distribution, and the flame height decreased with the increasing hydrogen blending ratio. Additionally, the NOx mass concentration experienced a rapid increase (for hydrogen blending ratios less than 30%) followed by fluctuations around 60 mg/m3. As the hydrogen blending ratio increased, the critical equivalence ratio for local flashback decreased, narrowing the stable combustion range between the blowout limit and the partial flashback limit. The widest equivalence ratio stable combustion range was achieved at a hydrogen blending ratio of 40%, which was 0.54~1.06.

hydrogen mixed gas  /  micro-mixed combustion  /  flame structure  /  NOx emissions
Xiaoqian ZHANG, Jiankun ZHUO, Yong TANG, Baisong CHEN, Xiangnan CHEN, Qiang YAO. Experimental study on micro-mixing combustion technology of hydrogen-doped gas[J]. Thermal Power Generation, 2025 , 54 (4) : 24 -32 . DOI: 10.19666/j.rlfd.202406159
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  • Project of Science Center for Gas Turbine(P2022-AB-II-006-002)
Appendix
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Year 2025 volume 54 Issue 4
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Article Info
doi: 10.19666/j.rlfd.202406159
  • Receive Date：2024-06-24
  • Online Date：2026-03-06
  • Published：2025-04-25
Article Data
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History
  • Received：2024-06-24
Funding
Project of Science Center for Gas Turbine(P2022-AB-II-006-002)
Affiliations
    1.The College of Electrical Engineering, Xinjiang University, Urumqi 830046, China
    2.Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China
    3.School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100008, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202406159
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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