论文就球磨机中研磨体大小对水泥熟料的破碎速率、初始破碎分布函数和粒度分布规律进行研究,实验所用研磨体的尺寸为φ20 mm, φ30 mm和φ40 mm,物料为-1.70+1.18 mm粒级的水泥熟料.研究结果表明:不同大小的研磨体对水泥熟料的粉磨遵循一级粉磨动力学方程,破碎速率随研磨体尺寸增大;初步研究认为研磨体大小对初始破碎分布参数有一定的影响;粉磨较短时间如16 min以前,大尺寸研磨体(φ40 mm 和φ30 mm)粉碎得到的细粉量多于小尺寸研磨体(φ20 mm), 延长粉磨时间到32 min以后,三种研磨体粉碎得到的水泥熟料的粒度分布相当.
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