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Start Over Author "Li, Jiangsheng" Publisher elsevier bv
12 results on '"Li, Jiangsheng"'

2. Design and performance evaluation of novel colliding pulse jet for dust filter cleaning

Author

Li Jiangsheng, Li Jianlong, Daishe Wu, Wu Quanquan, and Luo Min

Subjects
Jet (fluid), Materials science, business.industry, Astrophysics::High Energy Astrophysical Phenomena, Compressed air, Nozzle, Filtration and Separation, 02 engineering and technology, 021001 nanoscience & nanotechnology, Analytical Chemistry, law.invention, Cartridge, Optics, 020401 chemical engineering, law, Filter (video), Dust collector, High Energy Physics::Experiment, 0204 chemical engineering, 0210 nano-technology, business, Filtration, Intensity (heat transfer)
Abstract

Pleated filter cartridges with high pleat ratios and large filter surface are found to have great instances of patchy cleaning. In order to improve the intensity and uniformity of filter cleaning, a novel colliding pulse-jet cleaning method was designed and tested in this study. An experimental pulse-jet cleaning dust collector (the filtration chamber is 1225 × 750 × 1000 mm (width × depth × height)) was built with two nozzles installed over the filter cartridge (ϕ320 × ϕ240 × 660 mm) and on the cartridge bottom. The nozzle outlet pressure, pulse jet performance (intensity and uniformity), and compressed air consumption were studied. The effect of the trigger time difference between the top and bottom pulse jets on the performance was researched. This study demonstrated that the non-time-differenced colliding pulse-jet mode increased the pulse-jet intensity obviously to 2.56 times compared with the top-jet-only mode with some more air consumption (about 1.85 times than that in top-jet-only mode), but the pulse-jet uniformity slightly worsened. The pulse-jet intensity could be enhanced remarkably to 5.49 times if the colliding pulse jet was controlled in the strategy of varying trigger time difference, with the uniformity also increased obviously.

Published
2019

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