Abstract：To study the effect of dry ultrafine grinding of CJXXM planetary mill for saponite, the single factor experiment was carried out. The influence of the mass ratio of medium to feed, mill speed, selection and dosage of dispersant and grinding time on particle size by means of particle size analysis was investigated. The results show that when using yttria stabilized zirconia with particle size from 0.6 to 2 mm as the grinding medium, the optimum technology conditions are as follows. The mass ratio of medium to feed is 3 and the mill speed is 600 r/min by adding sodiumstearate with mass fraction of 0.6% as the dispersant and the grinding time is 30 min. With the suitable conditions d₅₀ and d₉₇ of the final product are respectively 1.55 and 7.38 μm.

Keywords: planetarymill; saponite; ultrafine grinding

中图分类号：TD921        文献标志码：A

文章编号：1008-5548(2015)01-0058-04

DOI:10.13732/j.issn.1008-5548.2015.01.012

收稿日期：2014-05-05， 修回日期：2014-06-12，在线出版时间：2015-03-02。

基金项目：国家高技术研究发展计划 （863 计划 ）项目 ， 编号 ：2012AA063105；国家大学生创新训练项目，编号：201411413020。

第一作者简介：廉晓敏（1989—），女，硕士研究生，研究方向为矿物资源利用与深加工。 E-mail：lxmyiran@126.com。

通信作者简介：郑水林（1956—），男，博士，教授，研究方向为矿物资源利用与深加工。 E-mail：shuilinzh@sina.com。