Abstract: To realize the continuous operation and efficient recovery in the two important processes of filtration and washing in rare metal ultrafine powders preparation, the microporous ultra-precision filtration -recovery technology based on the polymer materials and equipment having many functions including microporous filter, stirring and washing, compressed gas blowback, discharging cake and micropore regeneration etc. were developed. The results show that the filtering precision of the technology and equipment can reach up to 0.3 μm and the recovery efficiency up to 99.99% . Five working processes can be completed once in a closed container, which reduces the loss of resources, improves the production efficiency and reduces the environment pollution.

Keywords： polymer microporous filter; solid and liquid separate; powders recycling; energy-saving and emission-reduction

中图分类号：TQ028.5        文献标志码：A

文章编号：1008-5548（2014）02-0025-06

DOI:10.13732/j.issn.1008-5548.2014.02.006

收稿日期：2013-08-22， 修回日期：2013-09-14，在线出版时间：2014-05-04。

基金项目：科技部科技型中小企业技术创新基金项目，编号:11C26213301668。

第一作者简介：陈崇炯（1957—），男，高级实验师，研究方向为机械设计。E-mail:81383542@qq.com。