The various strength indexes of the different ratio formed coke are determined,The results show that the formed coke exhibits high strength when the addition of humic acid sodium is up to 7%.

• 对不同配比的焦球作了各种强度指标的测定，结果表明当腐植酸钠的配入量达7%25时，焦球的各项强度指标均较高。