Performance characterization of a novel compact dust collector with pleated filter cartridges

被引:7
作者
Huang, A. N. [1 ,2 ]
Hsu, W. Y. [1 ]
Fukasawa, T. [3 ]
Ishigami, T. [3 ]
Fukui, K. [3 ]
Kuo, H. P. [4 ]
机构
[1] Chang Gung Univ, Green Technol Res Ctr, Taoyuan 33302, Taiwan
[2] Linkou Chang Gung Mem Hosp, Dept Otolaryngol Head & Neck Surg, Taoyuan 33305, Taiwan
[3] Hiroshima Univ, Grad Sch Adv Sci & Engn, Chem Engn Program, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 7398527, Japan
[4] Natl Taiwan Univ, Dept Chem Engn, 1,Sec 4 Roosevelt Rd, Taipei 10617, Taiwan
关键词
Dust collector; Pleated filter cartridge; Pulse -jet cleaning; CFD; PULSE-JET; FILTRATION; DESIGN; NOZZLE;
D O I
10.1016/j.seppur.2022.122468
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A compact dust collector loaded with four pleated filter cartridges is numerically studied by Computational Fluid Dynamics (CFD). The performance of the dust collector is evaluated during filtration and during backwashing, and the predictions are compared with the experimental results. In the filtration operation, the upper right corner entry design effectively guides the airflow to the two sides of the four cartridges through the air opposite-sidewall impacting and rebounding. A relatively poor filtration is found at the right side of the left lower cartridge. The CFD predictions agree well with the experimental data in terms of showing better backwash cleaning performances of the lower cartridges and at the cartridge front positions. During the 50 ms pulse-jet backwashing, the difference between the maximum and minimum air mass flow rates through a total of 16 x 2 inject holes is less than 4.0%. The high pressure of 0.5 MPa draws the air flowing from the normal exit, which acts as the majority of the backwashing air (ca. 73.7%). The hydrostatic pressure acting on the four cartridges is greater than 1750 Pa in 80% of the pulse-jet cleaning time.
引用
收藏
页数:10
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