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<p>In this paper, the synergistic effect and kinetic process of burning behavior of reed (RD), Xiyang anthracite (XY) and their blends were studied by non-isothermal thermogravimetry. Firstly, the physical and chemical characteristics show that the pore structure of RD is developed and the graphitization degree is low, so it is better to predict its combustion reactivity. Secondly, the blending experiment found that the increase of biomass significantly enhanced the comprehensive combustion characteristics <i>S</i> of the blends. Thirdly, with the increase of temperature, the blends show a strong positive synergistic effect, and the positive synergistic effect is weak in the later stage of combustion reaction. Finally, according to the random pore model (RPM), the activation energy of the sample is between 20.47 and 129.2&#xa0;kJ mol<sup>–1</sup>, and the lowest activation energy of 50%RD50%XY is 20.47&#xa0;kJ mol<sup>–1</sup>.</p>

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Study on synergistic effect and kinetics of combustion behavior of anthracite and reed combined injection in blast furnace

  • 期刊论文

  • 发表日期：

    2025年12月20日

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  • Runsheng Xu,
  • Jinyin Zhang,
  • Jianliang Zhang,
  • Han Dang,
  • Guoli Jia,
  • Tianqiu Wang

摘要

In this paper, the synergistic effect and kinetic process of burning behavior of reed (RD), Xiyang anthracite (XY) and their blends were studied by non-isothermal thermogravimetry. Firstly, the physical and chemical characteristics show that the pore structure of RD is developed and the graphitization degree is low, so it is better to predict its combustion reactivity. Secondly, the blending experiment found that the increase of biomass significantly enhanced the comprehensive combustion characteristics S of the blends. Thirdly, with the increase of temperature, the blends show a strong positive synergistic effect, and the positive synergistic effect is weak in the later stage of combustion reaction. Finally, according to the random pore model (RPM), the activation energy of the sample is between 20.47 and 129.2 kJ mol–1, and the lowest activation energy of 50%RD50%XY is 20.47 kJ mol–1.