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| Effect of Glass Fiber Filter Thickness on Liquid Filtration Performance |
| Received:January 19, 2020 |
| DOI：10.11980/j.issn.0254-508X.2020.05.002 |
| Key Words:glass fiber thichness average flow pore size liquid filtration |
| Author Name | Affiliation | Postcode | | LI Lanzhen | State Key Lab of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | WANG Bin | Guangxi Huayuan Filtration System Co., Ltd., Yulin, Guangxi Zhuang Autonomous Region, 537000 | 537000 | | ZENG Jingshan | State Key Lab of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 |
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| Abstract:Based on the similar average flow pore diameter, the effect of the thickness of filter media on liquid filtration performance was studied. The morphology analyses of four kinds of glass fiber raw materials including chopped glass fiber and 3 kinds of glass microfibers were carried out firstly. The filter media with different thickness and similar average flow pore diameter were prepared by adjusting the ratio of the four kinds of glass fibers and the basis weight of the filter media， the prepared filter materials were used to test aviation hydraulic oil liquid filtration performance on the muti-pass test bench. The results of multi-pass experiments showed that the dusts captured by filter media prepared had similar particle diameters at the same average filtration ratio when the average flow pore diameter was similar. The pressure drop of four filter media with different thickness was similar in the first 50 minutes, while the time reaching the end pressure drop varied with the thickness of filter media. The dust holding capacity increased as the thickness of filter media increased, the dust holding capacities of the filter media with a thickness of 0.12 mm and 0.84 mm were 38.7 g/m2 and 82.1 g/m2 respectively. The thickness increased to 7 times, and the dust holding capacity was only 2.12 times of the original. There was a linear relationship between the dust holding capacity and the filter media thickness, but they were not proportional. |
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