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Communication Dans Un Congrès Année : 2018

Analysis of the trajectory of insulating particles in a free fall electrostatic separator with four vertical cylindrical electrodes

Résumé

This paper presents an analysis of the trajectory of ABS and PVC particles in a free fall electrostatic separator. The installation that is the subject of this study is equipped with four vertical cylindrical electrodes. The behavior of the particles in this installation is compared with the behavior of the particles in a conventional configuration represented by two flat electrodes. The trajectory of the particles in both configurations is obtained by the numerical resolution of the Newton equation. The motion equation used in this study takes into account the intensity and direction of the electrostatic, gravitational and aerodynamic forces applied to the particles in the electrostatic separation zone. The calculation of the electrostatic force applied to the particles in this zone is performed using a numerical model of the electrostatic field obtained by finite element method implemented in the PDE-tool library of the MATLAB software. The results of this study show that the use of a four-electrode configuration reduces the quality deterioration of recovered products caused by the appearance of impacts between particles and electrodes observed in a conventional installation. But, the use of the new configuration requires the development of a collector the shape of which is adapted to the spatial distribution of the particles recovered at the outlet of the installation.
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Dates et versions

hal-04429166 , version 1 (31-01-2024)

Identifiants

  • HAL Id : hal-04429166 , version 1

Citer

Seddik Touhami, Wessim Aksa, Mohamed Maammar, Thami Zeghloul, Karim Medles, et al.. Analysis of the trajectory of insulating particles in a free fall electrostatic separator with four vertical cylindrical electrodes. 2018 Electrostatics Joint Conference, ESA, Jun 2018, Boston, United States. pp.B4 1-13. ⟨hal-04429166⟩
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