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Investigation into the Flow of Gas-Solids during Dry Dust Collectors Exploitation, as Applied in Domestic Energy Facilities – Numerical Analyses
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Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, Poland
Faculty of Transport, Warsaw University of Technology, Poland
Faculty of Economics,, Koszalin University of Technology, Poland
Faculty of Mechanical Engineering, University of Zielona Gora, Poland
Faculty of Environmental Engineering and Energy, Poznań University of Technology, Poland
Submission date: 2023-08-01
Final revision date: 2023-10-05
Acceptance date: 2023-10-12
Online publication date: 2023-10-16
Publication date: 2023-10-16
Corresponding author
Mariusz Kostrzewski   

Faculty of Transport, Warsaw University of Technology, Poland
Eksploatacja i Niezawodność – Maintenance and Reliability 2023;25(4):174095
  • The dust particle dynamics can be modified by the design of a dust collector.
  • The geometric structure in dust collectors is crucial for efficiency in the separators’ operation.
  • Increasing the number of rotor blades in collectors causes the dust compound to swirl stronger.
  • The 8 items of blades result in 50% dust concentration along the internal walls.
  • SolidWorks allows the analysis of dust removal processes in dust collectors, with good accuracy.
The paper presents the results related to the simulation of dust-separating tangential cyclones: single cyclones of various geometries, and an axial multi-cyclone with fixed geometries and components. Its goal was to apply low-cost analyses for cyclones in industrial realization. Therefore, the presented research was applied with simulation methodology as a problem of Computational Fluid Dynamics. The models were analyzed using SolidWorks Flow Simulation software. The presented dust collectors are real-life objects, applied in industrial facilities. For a multi-cyclone, the increase in the number of blades, from 5 to 8, together with the change in the angle of a blade’s pitch i.e., 30° and 45°, resulted in dust concentration along the internal walls from just 10% for 5 blades up to c.a. 37.5% for 6 blades, and c.a. 50% for 8 blades, whereas the dust concentration in the device’s central part equals c.a. 20% for the last option. The model validation draws attention to the potential applicability of the software in flow issues alongside common and more complex numerical environments.
The authors would like to gratefully acknowledge the Instal Filter Company S.A. (Poland) for lending data to carry out the research presented in the article and for lending the graphics and photographs shown in the article. Moreover, the authors would like to gratefully acknowledge those reviewers who provided helpful comments and insightful suggestions on the draft manuscript.
Particulate filtration by cryogenic condensation using a high efficiency Stairmand cyclone separator
O. Rubio-López, J.J. Montes-Rodríguez, E. Rodríguez-Morales, L.A. Montoya-Santiyanes
Separation and Purification Technology
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