The effect of mixing different ratios of lean coal during coking on the strength of coke was introduced. The optimum blending ratio can improve the coke strength.

• 介绍了在生产性实验中配加不同比例的贫瘦煤炼焦对焦炭强度的影响,最经济合理的配煤比可使焦炭的强度有一定改善。