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利用AspenPlus软件平台建立了生物质燃烧模型,对燃烧中NOx的生成进行了模拟计算,计算结果与已有文献的试验结果较好地相符.在此基础上,研究了燃烧温度和过量空气系数对生物质燃烧NOx生成的影响规律.结果表明,生物质燃烧过程中NOx的生成量随温度和过量空气系数的增长而快速增长;应用AspenPlus模拟生物质燃烧具有一定的可行性,而且其模型参数设置较为灵活,能够对多种生物质的燃烧进行热力学分析,可为生物质清洁燃烧技术提供有益参考.
Based on the AspenPlus software platform, a biomass combustion model was established to simulate the formation of NOx in the combustion process. The calculated results are in good agreement with the experimental results of the existing literature. Based on this, the effects of combustion temperature and excess air ratio The results showed that the amount of NOx generated during biomass combustion increased rapidly with the increase of temperature and excess air coefficient. It was feasible to simulate biomass combustion with AspenPlus, and its model parameters It is more flexible and able to conduct thermodynamic analysis on the combustion of a variety of biomass, which can provide a useful reference for the clean combustion technology of biomass.