Special issue in honor of Prof. David Y.H. Pui for his “50 Years of Contribution in Aerosol Science and Technology” (I)

Jianlong Li1, Wenjun Xie1, Quanquan Wu1, Da-Ren Chen This email address is being protected from spambots. You need JavaScript enabled to view it.2, Dinglian Shi1, Qiang Chen1, Zhifei Ma1, Daishe Wu3 

1 School of Resources and Environmental Engineering, Nanchang University, Nanchang 330031, China
2 Particle Laboratory, Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, VA 23294, USA
3 School of Materials and Chemical Engineering, Pingxiang University, Pingxiang 337000, China


Received: September 14, 2022
Revised: December 10, 2022
Accepted: December 13, 2022

 Copyright The Author's institutions. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited. 


Download Citation: ||https://doi.org/10.4209/aaqr.220324  

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Cite this article:

Li, J., Xie, W., Wu, Q., Chen, D.R., Shi, D., Chen, Q., Ma, Z., Wu, D. (2023). Improved Pulsed-Jet Cleaning of Pleated Cone Filter Cartridges Using a Diffusion Nozzle. Aerosol Air Qual. Res. 23, 220324. https://doi.org/10.4209/aaqr.220324


HIGHLIGHTS

  • Improved cleaning of cone filter cartridges using a diffusion nozzle was evidenced.
  • Effect of inner cone height on the pulsed-jet cleaning were studied.
  • Effect of nozzle setting on the static pressure peak were investigated.
  • The filtration pressure drop, and dust emission concentration were also measured.
 

ABSTRACT


A pleated filter cartridge with an additional pleated filter cone installed on the cartridge base, i.e., a pleated cone filter cartridge, has been proposed to increase the filtration area and to improve medium regeneration by reverse pulsed-jet cleaning. In this study, the pulsed-jet cleaning performance of a pleated cone filter cartridge in a dust collector was investigated using a diffusion nozzle (as compared to that of a round nozzle). The effects of tank pressure (TP), jet distance (JD), and inner cone height (HC) on the distribution of static pressure acting on the inner surfaces of the cone filter cartridges were evaluated. The filtration pressure drops and emitted dust concentration of cartridges during the dust collector operation were also measured. It was found that, using a diffusion nozzle, the pulsed-jet pressure at the upper portion of the filter cartridges was increased, compared to that of a round nozzle, particularly for cartridges with a low HC and a short JD setting (e.g., a factor of 7.0 was observed when HC = 560 mm and at a JD setting of 150 mm). The pulsed-jet cleaning of a pleated cone filter cartridge using a diffusion nozzle can decrease the residual filtration pressure drop, prolong the cleaning interval, and reduce the average dust concentration emission from cone filter cartridges.


Keywords: Pleated filter cartridges, Cone filter cartridges, Diffusion nozzle, Pulsed-jet cleaning, Medium regeneration




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