Coking experiment program design of blended Xieyi deep coal

Fat coal and primary coking coal are high quality coking coal in Huainan Xieyi coal mine.To better utilize these coal resources,taking four kinds of coking coal as sample,design the coal blending scheme with orthogonal design method,choose the orthogonal table L93（4） for coking experiment,then make the rank difference analysis on test result,arrange the order of influence factor of individual coals.The results show that,while the mass ratio of QM,1/3JM,FM,JM is 15 :35 :10 :40,the comprehensive quality of coke is the best.