1-04　原料炭に対する炭材の膨張阻害と石炭の軟化開始温度

抄録

In coke manufacturing, the dilatation of coal is a crucial factor affecting the quality of coke. Coal is generally used by blending several sorts from different locality. However it was revealed that the dilatation of coal doesn’t hold weighted average. Therefore coal blending technology is important for manufacturing high quality coke. In the previous study, it was investigated the inhibitory influence of low rank coal on high rank coal. And the inhibitory influence is defined “Inert Factor”. In this report, the inhibitory influence of petroleum coke, powder coke and low rank coal (TD=0%) on coking coal using previous study method. As the result, when a carbonaceous material (petroleum coke, powder coke and low rank coal) that does not soften and melt is added to the raw coal, it was observed that the inhibitory influence.