Described in this paper is the method of calculating the oxygen flux through a crucible outlet section during the study of pulverized coal combustion characteristics with the use of a thermobalance.

• 采用以热天平研究煤粉燃烧特性时通过坩埚出口截面氧通量的计算方法，对织金煤焦燃烧特性曲线的分析计算，得试样燃烧所需氧气以扩散传质方式经坩埚出口截面传递到试样层表面，并对该计算方法进行了分析。