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The numerical study of allothermal gasification of the peat by the focused light flow
Applied Thermal Engineering ( IF 6.1 ) Pub Date : 2021-06-19 , DOI: 10.1016/j.applthermaleng.2021.117253
Roman I. Egorov , Roman I. Taburchinov

An allothermal gasification of peat is one of the perspective ways for application of this fossil for energetics and chemical industry. The simple model of the process was applied for analysis of the peat conversion under the two-side heating by high-power light flow at the atmospheric pressure. The dynamics of fuel gasification under extremely strong heating has an essential difference from the usual combustion heat. Carbon oxidation goes with dominating production of CO that occurs mostly inside the border of lit surface. It was shown that intensive gasification starts when light intensity is higher than 60100Wcm2. The typical depth of the sample conversion was analyzed as well as spatial and temporal dynamics of the distributions of residual values of moisture and carbon inside the sample. The simulation results correlate well with earlier experimental data. Application of the focused light for fuel conversion allows making a syngas with high enough concentration of combustibles at the expense of solar light.



中文翻译:

聚焦光流对泥炭异热气化的数值研究

泥炭的异热气化是这种化石在能源和化学工业中应用的前景方法之一。将该过程的简单模型应用于大气压下大功率光流两侧加热下泥炭转化的分析。极强加热下的燃料气化动力学与通常的燃烧热有着本质的区别。碳氧化伴随着主要发生在照明表面边界内的 CO 的主要产生。结果表明,当光照强度高于60-100C2. 分析了样品转化的典型深度以及样品内部水分和碳残留值分布的空间和时间动态。模拟结果与早期的实验数据很好地相关。将聚焦光应用于燃料转换允许以太阳光为代价制造具有足够高浓度的可燃物的合成气。

更新日期:2021-06-23
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