A review of the research progress of ammonia combustion enhancement technology
Under the guidance of the "double carbon strategy", as a new type of zero-carbon fuel, ammonia has gradually attracted attention. To solve the issues of ignition, low flame speed, and narrow flammable range of ammonia combustion, from the basic combustion characteristics, we summarize the...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Energy Environmental Protection
2023-10-01
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| Series: | 能源环境保护 |
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| Online Access: | https://eep1987.com/en/article/4591 |
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| author | ZHANG Yu ZHAO Yijun* ZENG Guang ZHANG Wenda ZHANG Linyao SUN Shaozeng |
| author_facet | ZHANG Yu ZHAO Yijun* ZENG Guang ZHANG Wenda ZHANG Linyao SUN Shaozeng |
| author_sort | ZHANG Yu |
| collection | DOAJ |
| description | Under the guidance of the "double carbon strategy", as a new type of zero-carbon fuel, ammonia has gradually attracted attention. To solve the issues of ignition, low flame speed, and narrow flammable range of ammonia combustion, from the basic combustion characteristics, we summarize the effects of enhanced combustion technologies such as improving fuel activity (blending with other fuels and oxygen-enriched combustion), heat-mass transfer enhancement, and auxiliary combustion technologies on flame propagation, and explore the mechanism of the enhanced combustion process. Co-combustion with other fuels can significantly increase the ammonia flame speed, and hydrogen has the strongest ability to enhance combustion. The laminar flame speed of ammonia/air increases exponentially with the hydrogen blending ratio. With the increase of the carbon-based fuel blending ratio, the ammonia/air flame speed increases linearly. Oxygen-enriched combustion can significantly increase the ammonia flame speed without carbon emission, and laminar flame speed increases linearly with oxygen content. The ability to regulate parameters to enhance combustion is limited, while the auxiliary technologies can be flexibly applied for different combustion conditions to enhance ammonia combustion. In the development of ammonia enhanced combustion technology, the regulation of fuel combination and injection strategy can be applied to improve fuel activity, designing the burner structure/combustion organization, and optimizing the combustion parameters can be applied to enhance heatmass transfer. In addition, coupling with auxiliary technologies can enhance combustion performance and widen the stable combustion range. Combustion enhancement and NO_x emission control are of great significance to realize clean and efficient ammonia combustion in the future. |
| format | Article |
| id | doaj-art-f0d03d4c240a4ed8a0c287d76f858199 |
| institution | Kabale University |
| issn | 2097-4183 |
| language | zho |
| publishDate | 2023-10-01 |
| publisher | Editorial Office of Energy Environmental Protection |
| record_format | Article |
| series | 能源环境保护 |
| spelling | doaj-art-f0d03d4c240a4ed8a0c287d76f8581992024-12-13T01:36:43ZzhoEditorial Office of Energy Environmental Protection能源环境保护2097-41832023-10-0137512914410.20078/j.eep.20230909A review of the research progress of ammonia combustion enhancement technologyZHANG Yu0ZHAO Yijun*1ZENG Guang2ZHANG Wenda3ZHANG Linyao4SUN Shaozeng5School of Energy Science and Engineering, Harbin Institute of TechnologySchool of Energy Science and Engineering, Harbin Institute of TechnologyCPI Northeast Energy Technology Co., Ltd.School of Energy Science and Engineering, Harbin Institute of TechnologySchool of Energy Science and Engineering, Harbin Institute of TechnologySchool of Energy Science and Engineering, Harbin Institute of TechnologyUnder the guidance of the "double carbon strategy", as a new type of zero-carbon fuel, ammonia has gradually attracted attention. To solve the issues of ignition, low flame speed, and narrow flammable range of ammonia combustion, from the basic combustion characteristics, we summarize the effects of enhanced combustion technologies such as improving fuel activity (blending with other fuels and oxygen-enriched combustion), heat-mass transfer enhancement, and auxiliary combustion technologies on flame propagation, and explore the mechanism of the enhanced combustion process. Co-combustion with other fuels can significantly increase the ammonia flame speed, and hydrogen has the strongest ability to enhance combustion. The laminar flame speed of ammonia/air increases exponentially with the hydrogen blending ratio. With the increase of the carbon-based fuel blending ratio, the ammonia/air flame speed increases linearly. Oxygen-enriched combustion can significantly increase the ammonia flame speed without carbon emission, and laminar flame speed increases linearly with oxygen content. The ability to regulate parameters to enhance combustion is limited, while the auxiliary technologies can be flexibly applied for different combustion conditions to enhance ammonia combustion. In the development of ammonia enhanced combustion technology, the regulation of fuel combination and injection strategy can be applied to improve fuel activity, designing the burner structure/combustion organization, and optimizing the combustion parameters can be applied to enhance heatmass transfer. In addition, coupling with auxiliary technologies can enhance combustion performance and widen the stable combustion range. Combustion enhancement and NO_x emission control are of great significance to realize clean and efficient ammonia combustion in the future.https://eep1987.com/en/article/4591ammoniaenhanced combustionco-combustionauxiliary combustionoxygen-enriched combustionheat-mass transfer |
| spellingShingle | ZHANG Yu ZHAO Yijun* ZENG Guang ZHANG Wenda ZHANG Linyao SUN Shaozeng A review of the research progress of ammonia combustion enhancement technology 能源环境保护 ammonia enhanced combustion co-combustion auxiliary combustion oxygen-enriched combustion heat-mass transfer |
| title | A review of the research progress of ammonia combustion enhancement technology |
| title_full | A review of the research progress of ammonia combustion enhancement technology |
| title_fullStr | A review of the research progress of ammonia combustion enhancement technology |
| title_full_unstemmed | A review of the research progress of ammonia combustion enhancement technology |
| title_short | A review of the research progress of ammonia combustion enhancement technology |
| title_sort | review of the research progress of ammonia combustion enhancement technology |
| topic | ammonia enhanced combustion co-combustion auxiliary combustion oxygen-enriched combustion heat-mass transfer |
| url | https://eep1987.com/en/article/4591 |
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