基于表观动力学灰膜缩核模型,本文发展并利用耦合的灰膜与灰渗透本征动力学模型,详细研究焦炭颗粒燃烧特性.氧化反应与气化反应耦合能够高精度预测煤焦颗粒燃烧特性.随灰膜形成比例下降,焦炭颗粒燃烧温度升高,碳燃尽时间缩短;当碳转化率低于80％时,碳转化率主要受灰膜影响,灰渗透影响甚微;但当碳转化率大于80％时,灰膜与灰渗透同时起作用.
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