The effect of pleat ratio on the effective filtration area of the large-diameter pleated filter cartridge

Abstract

To solve the problem of point source dust in industrial production, we employed a large-diameter pleated filter cartridge (fold ratio α values of 1.23, 1.47, 1.7, and 1.8). However, its complex pleated structure affects the stable operation state of the dust collector. The experimental results show that with the gradual increase of the fold ratio of the filter, the filter cleaning efficiency ε increases at first and then decreases, and an α value of 1.47 shows the best results. The average effective filtration area $\overline{\mathrm{\text{Ae}}}$ increases with increasing fold ratio over the same run time. The higher the dust concentration, the lower is the $\overline{\mathrm{\text{Ae}}}$; the ratio of the average effective filtration area to the theoretical filtration area $\overline{\mathrm{\beta }}$ decreased from 80.2% (α = 1.8) and 80% (α = 1.47) to 77% (α = 1.7).

Keywords:

• Large-diameter pleated filter cartridge
• pulse-jet cleaning
• effective filtration area
• dust emission concentration

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This study was supported by the National Natural Science Foundation of China [No. 11572269 and No. 51508481], Longshan Fund of Southwest University of Science and Technology [No. 18LZX659, 17LZX661], Mianyang Lineng Powder Equipment Co. Ltd, China, and Opening Project of State Key Laboratory of Advanced Technology for Float Glass [2018KF04].