非织造过滤介质孔径及截留性能的研究

doi:10.11962/1006-4990.2019-0157

无机盐工业 ›› 2020, Vol. 52 ›› Issue (2): 38-42.doi: 10.11962/1006-4990.2019-0157

非织造过滤介质孔径及截留性能的研究

吴芳^1,³,王士勇^1,³,都丽红^1,³(),朱企新^2,³,鲁淑群²

^1. 上海化工研究院有限公司,上海 200062
^2. 天津大学化工学院
^3. 全国石油和化工行业过滤与分离工程研究中心

收稿日期:2019-08-26 出版日期:2020-02-10 发布日期:2020-02-26
作者简介:吴芳（1987— ）,女,硕士。

Study on aperture performance and rejection performance of nonwoven filter media

Wu Fang^1,³,Wang Shiyong^1,³,Du Lihong^1,³(),Zhu Qixin^2,³,Lu Shuqun²

^1. Shanghai Research Institute of Chemical Industry,Shanghai 200062,China
^2. Chemical Industry Academy,Tianjin University
^3. National Petroleum and Chemical Industry Filtration and Separation Engineering Research Center

Received:2019-08-26 Published:2020-02-10 Online:2020-02-26

摘要/Abstract

摘要：

对应用于液固分离和气固分离的非织造过滤介质的孔径和截留性能测试方法做了研究,指出采用气体流量法进行孔径性能测试,可同时得到非织造过滤介质的最大孔径、平均孔径及孔径分布,全面表征了其孔径性能;并对用于液固和气固分离2个不同领域的非织造过滤介质采用不同的方法做了截留性能测试。同时,对比非织造过滤介质的孔径和截留性能,对二者之间的关联做了探索,为实际工业过程中非织造过滤介质的选用和评价提供了指导。

关键词: 非织造过滤介质, 液固分离, 气固分离, 气溶胶, 截留性能

Abstract:

The testing methods of aperture performance and rejection performance of nonwoven filter media used in liquid-solid separation and gas-solid separation were studied.It was pointed out that the gas flow method could be used to measure the aperture performance of nonwoven filter media.The maximum pore size,average pore size and pore size distribution could be obtained simultaneously,and the aperture performance could be characterized comprehensively.Different methods were used to test the rejection performance of the nonwoven filter media.At the same time,by comparing the aperture performance and rejection performance of nonwoven filter media,the relationship between them was explored,which provided guidance for the selection and evaluation of nonwoven filter media in the actual industrial process.

Key words: nonwoven filter media, solid-liquid separation, gas-solid separation, aerosol, rejection performance

中图分类号:

TQ325.14

吴芳,王士勇,都丽红,朱企新,鲁淑群. 非织造过滤介质孔径及截留性能的研究[J]. 无机盐工业, 2020, 52(2): 38-42.

Wu Fang,Wang Shiyong,Du Lihong,Zhu Qixin,Lu Shuqun. Study on aperture performance and rejection performance of nonwoven filter media[J]. Inorganic Chemicals Industry, 2020, 52(2): 38-42.

图/表 7

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参考文献 11

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[8]	鲁淑群, 石建民, 许莉 , 等. 硬质多孔过滤介质鼓泡孔径及孔径分布的测定研究(Ⅱ)[J]. 过滤与分离, 2001,11(4):21-24.
[9]	毛成栋, 张明光, 郭昕 . 机织滤布鼓泡孔径测试与分析[J]. 纺织学报, 2008,29(5):39-41.
[10]	许祥在, 翟秋兰 . 多孔材料的孔径分布与渗透性测定[J]. 分析仪器, 1999,4:48-52.
[11]	ASTM F316-1986 Standard test methods for pore size characteristics of membrane filters by bubble point and mean flow pore test[S].

编号	材质	制造工艺	编号	材质	制造工艺
1^#	丙纶（聚丙烯）	纤维水刺	5^#	涤纶	纤维水刺
2^#	涤纶（聚酯纤维）	纤维针刺	6^#	不锈钢	纤维烧结
3^#	芳纶（聚苯二甲酰苯二胺）	纤维针刺、复合	7^#	不锈钢	纤维烧结
4^#	聚苯硫醚	纤维针刺、复合

试样编号	最大孔径/ μm	平均孔径/ μm	试样编号	最大孔径/ μm	平均孔径/ μm
1^#	52.07	16.84	5^#	119.85	58.18
2^#	166.23	91.43	6^#	38.16	29.09
3^#	78.82	58.18	7^#	56.54	32.49
4^#	71.35	47.41

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非织造过滤介质孔径及截留性能的研究

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