Through the mix humidifying grinding,the fine degree of iron ore concentrate was increased,the addition ratio of bentonite was decreased,the quality of pellets were improved,and good economical benefit was gained.

• 通过对混合料的润磨,提高了铁精矿粉的细度,降低了膨润土添加量,提高了球团矿的质量指标,收到了良好的经济效益。