炼焦煤奥亚膨胀度指标特征分析

Analysis for indices of Audibert-Arnu dilatation of coking coal

通过对炼焦煤奥亚膨胀度指标、黏结性指标、胶质层最大厚度Y值和挥发分等质量指标的研究,分析了不同煤种奥亚膨胀度指标与以上质量指标之间的关系,结果显示奥亚膨胀度与炼焦煤的变质程度有良好的相关性,对配煤炼焦具有指导意义。

This paper studies quality indices of coking coal,such as Audibert-Arnu dilatation,caking property,value Y of the maximum thickness of gelatinous layer and volatile,etc. It also analyzes the correlation of the Audibert-Arnu dilatation of diversified coal kinds and the above-mentioned indices.The result shows that the Audibert-Arnu dilatation varies with the degree of metamorphism of coking coal,which will give directive guidance for coal blending.