| Issue |
MATEC Web Conf.
Volume 67, 2016
International Symposium on Materials Application and Engineering (SMAE 2016)
|
|
|---|---|---|
| Article Number | 07007 | |
| Number of page(s) | 7 | |
| Section | Chapter 7 Materials Application and Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20166707007 | |
| Published online | 29 July 2016 | |
Influence of Post-treatment Methods on Pressure Change of Filter Bag
1 School of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
2 Zhejiang Prov. Key Lab. of Industrial Textile Materials, Hangzhou, Zhejiang 310018, China
a Yinyihua1990@126.com
b hanjian8@zstu.edu.cn
c yubin7712@163.com
The PPS needle-punched non-woven filters with different post-treatments were studied by filter testing system. The pressure drop was measured at various filtration velocity, dust deposition time and the temperature during the experiment; and the effect of dust-cleaning as the consequence of pressure of filter bag was measured. The results showed that post-treatments transformed the surfaces of filters, and the dust formation differed greatly. Excessively high filtration velocity decreased the peak pressure in the process of dust-cleaning. The pressure of filter bag was increased as the dust layers were thickened. The higher temperature in filtration rose the peak pressure of filter bag, but decreased the rate of rising.
Key words: bag filter / dust-cleaning performance / peak pressure of filter bag / rising rate of peak pressure
© The Authors, published by EDP Sciences, 2016
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