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Study on the Influence of Electrodes on the Collection Efficiency During the Treatment of Welding Fume in Electrostatic Precipitators by Yindong Song; Yuni Zhang; Weiping Zhu; Yiliang Liu; Wangyang Long; Kambiz Vafai is a Engineering article available to read on EtoBox.

What is Study on the Influence of Electrodes on the Collection Efficiency During the Treatment of Welding Fume in Electrostatic Precipitators about?

Welding fume is hazardous to the environment and human health and is purified using an electrostatic precipitator (ESP). Electrostatic precipitators are widely used in waste gas treatment processes in thermal power plants, cement plants and other factories. The use of electrostatic precipitators to treat welding fumes requires further research. Corona discharge occurs at the electrostatic precipitator, the primary condition for particle charging. The components and physical parameters of the treated particles should be considered in the numerical simulation. This paper investigates the effects of polygonal electrode form, deflection angle, and spacing on the electric field distribution and collection efficiency. The physical quantities in the vicinity of the electrodes vary greatly. Therefore, the focus is on the vicinity of the electrode, and curves describing the trend. It is shown that the maximum velocity did not vary monotonically with increasing the number of tips and that the highest collection efficiency is obtained with a triangle electrode. Furthermore, it is shown that the variation of interelectrode distance leads to variations in the inter-electrode shielding effect.

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Author

Yindong Song; Yuni Zhang; Weiping Zhu; Yiliang Liu; Wangyang Long; Kambiz Vafai

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)