本文基于湿法球磨分散工艺,利用Fluent对纳米CeO2悬浮液的球磨过程进行仿真模拟,提出以球磨罐磨腔内压强作为其分散效果的评价指标,获得球磨转速、填充率以及球料比等工艺参数对磨腔内压强的影响规律.研究表明,球磨机转速在一定范围内变化时,其转速越大,磨球运动愈激烈,磨腔内压强越大;填充率由0变化为1时,磨腔内压强先增大后减小;球料比增大时,磨腔内压强逐渐增大至平稳.同时采用三因素三水平正交试验,通过沉降试验考察球磨工艺参数对纳米CeO2悬浮液分散效果的影响,验证了球磨仿真的正确性.
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