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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.
Oxygen-enriched (or pure oxygen) combustion technology
Release time:
2022-02-21
Oxygen-enriched combustion (or pure oxygen) mainly uses high-concentration oxygen or pure oxygen gas as an oxidant, and the main products are water and carbon dioxide. This technology completely solves the problem of NOx emissions because the oxidant does not contain nitrogen. Combustion technology.
Oxygen-enriched combustion (or pure oxygen) mainly uses high-concentration oxygen or pure oxygen gas as an oxidant, and the main products are water and carbon dioxide. This technology completely solves the problem of NOx emissions because the oxidant does not contain nitrogen. Combustion technology. Oxygen-enriched combustion is particularly suitable for low calorific value fuels and hydrogen fuels[1].
Researchers[2,3]The organization of oxygen-enriched combustion with graded oxygen supply is proposed, as shown in Figure 1, the combustion chamber is divided into three areas: the main combustion zone, the burnout zone and the mixing zone. According to the load, the oxygen distribution of each area is adjusted, the combustion temperature of the main combustion zone is optimized, the combustion efficiency of low-load combustion stability is improved, and the CO emission is reduced.
Fig. 1 Oxygen-enriched combustion Staged combustion
Fig. 1 Schematic of Oxygen-rich combustion stage combustion
References:
[1] Li Suhui, Zhang Gui-hua, 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.
[2] QIAN W K,LIU H Y,ZHU M,etal.Kinetics study of a staged combustor concept for oxy-fuel combustion gas turbine cycles [C]// ASME Turbo Expo 2019:Turbo machinery Technical Conference and Exposition.Phoenix, Arizona, USA:ASME,2019
[3] Li Suhui, Qian Wenkai, Zhu Min. A staged oxygen combustion chamber and gas turbine staged oxygen combustion method: 201910492576.7[P].2020G10G13.
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