Abstract： To obtain high quality rose powders, the vacuum freeze dryer was used to dry the fresh rose, then the twin-rolling mill was used to grind the rose. In the process of grinding, the effects of process parameters on the size of superfine rose powders were discussed, such as the speed of barrel and agitator, the mass ratio of grinding-balls to materials, the grinding time, which influence the particle size of the rose powders. As the results show, the optimum conditions used are that the barrel speed is 120 r/min, the agitator speed is 80 r/min, the mass ratio of grinding-ball to materials is 10:1, the grinding time is 120 min. The mid-size of the obtained rose powders is 6.1 μm. These powders remaine the fragrance of rose well.

Keywords: rose powder; vacuum freeze drying; twin-rolling mill; superfine grinding

中图分类号：S226.3，R282.4        文献标志码：A

文章编号：1008-5548(2015)02-0043-04

DOI:10.13732/j.issn.1008-5548.2015.02.011

收稿日期：2014-06-06， 修回日期：2014-06-30，在线出版时间：2015-04-17。

基金项目：甘肃省科技重大专项项目，编号：1203GKDD006。

第一作者简介：蒋书云(1991—)，女，硕士研究生，研究方向为微纳米材料制备。 E-mail:1239030981@qq.com。

通信作者简介：邓国栋(1965—)，男，高级工程师，研究方向为含能材料微纳米化制备。 E-mail:dypdgd@126.com。