DFE fuzzy decision-making model was used with a view to strength and consumed energy for grinding.At last the best calcining technology of the coal gangue wa s found out.

• 并综合考虑强度和煤矸石粉磨能耗,采用DFE模糊决策模型,筛选出煤矸石试样最佳的热激活工艺制度。