Eur. Phys. J. Appl. Phys.
Volume 41, Number 1, January 2008
|Page(s)||81 - 85|
|Section||Plasma, Discharge and Processes|
|Published online||19 December 2007|
Optimization of the rapping process of an intermittent electrostatic precipitator
Research unit “Electrostatics and High-Voltage Engineering”, IRECOM
Laboratory University of Sidi-Bel-Abbes, Algeria
2 IUT of Angoulême, Univ. of Poitiers, France
Corresponding author: firstname.lastname@example.org
Revised: 4 August 2007
Accepted: 17 October 2007
Published online: 19 December 2007
Intermittent operation mode is specific to electrostatic precipitators (ESP) used in workshops where the polluting product is produced in a discontinuous way. The rapping system is necessary in order to ensure a continuous and effective operation of a dry electrostatic precipitator, but causes at the same time, a problem of re-entrainment of dust and thus the degradation of filtration efficiency. The objective of this paper is to propose a procedure based on the methodology of experimental designs (Tagushi's Methodology) aiming at optimizing the rapping process; it consists to determine optimal values of rapping, i.e. the moment, the position and the force of rapping. Several “one-factor-at-a-time" experimental designs followed by a Full Factorial design, made it possible to model the process and to analyze interactions between the factors. The experiments were carried out on a laboratory experimental device which simulates an industrial precipitator with intermittent operation.
PACS: 52.77.-j – Plasma applications / 52.80.-s – Electric discharges / 52.80.Hc – Glow; corona / 52.80.Mg – Arcs; sparks; lightning; atmospheric electricity
© EDP Sciences, 2007
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