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BlogWe focus on high-tech research and development, energy-saving product design and production in the fields of fluid transportation (water pump, fan), fine control combustion, high-efficiency heat exchange and high-efficiency permanent magnet motor, and provide professional technical transformation services to provide users with professional comprehensive energy-saving solutions.
Micro-mixing (Micromixer) combustion technology
Release time:
2022-02-21
Micro-mixing burner (Micromixer Burner, MM) is a kind of fuel and oxidant in micro-scale after mixing combustion organization technology. The mixing space of a typical micro-mixing burner is composed of a micro-scale straight tube, which is enclosed by a front panel and a rear panel, as shown in Figure 1 [1]. Since air and fuel are mixed on a very small scale, a high degree of mixing can be achieved, reducing NOx emissions. Due to the quenching effect of small tube diameter, the micro-mixed reactor has high anti-flashback performance, especially suitable for hydrogen and other active fuels [2]. Figure 2 and Figure 3 are the structural diagrams of the actual application of the micro-mixing combustion chamber.
Micro-mixing burner (Micromixer Burner, MM) is a kind of fuel and oxidant in micro-scale after mixing combustion organization technology. The mixing space of a typical micro-mixing burner is composed of a micro-scale straight tube, which is encapsulated by a front panel and a rear panel, as shown in Figure 1[1]. Since air and fuel are mixed on a very small scale, a high degree of mixing can be achieved, reducing NOx emissions. Due to the quenching effect of small tube diameter, the micro-mixed reactor has high anti-flashback performance, especially suitable for hydrogen and other active fuels.[2]. Figure 2 and Figure 3 are the structural diagrams of the actual application of the micro-mixing combustion chamber.
Fig. 1MM Schematic Diagram of Burner Burner
Fig. 1 Schematic diagram of an MM burner
Figure 2 GTCP36-300 APU micro-mixing combustor
Fig. 2 MM combustor for GTCP36-300 APU
Fig. 3 Diagram of micro-mixing burner of GE Company
Fig. 3 MM combustor for GE[3]
References:
[1] HAQUE M A,NEMITALLAH M A,ABDELHAFEZ A, etal.Review offuel/oxidizer-flexible combustionin gas turbines[J].Energy& Fuels,2020,34(9):10459 10485
[2] LEE H, HERNANDEZ S, MCDONELL V, et al. Development of flashback resistant lowGemission micro-mixing fuel injector for 100% hydrogen and syngas fuels [C]//ASMETurboExpo2009:PowerforLand,Sea,and Air.Orlando,USA:ASME,2009
[3] Li Suhui, Zhang Guihua, Wu Yuxin. Review of advanced combustion technology for future gas turbine [J]. Journal of Tsinghua University (Natural Science Edition),2021,61(12):1423-1437.DOI:10.16511/j.cn ki.qhdxxb. 2022.25.001.
[4] HUGHES M J,BERRY JD.Advanced multi-tube mixer combustion for 65% efficiency [C]. U.S. DoE UTSR workshop.Orlando,USA:U.S.DoE,2019.
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