Types of electric fields commonly used in electric separators and their respective characteristics
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The electric field used in the electric separator has three kinds of electrostatic field, corona electric field and composite electric field. The electrostatic field is often generated by a high-voltage DC power source, which can attract or repel the force of the charged ore particles, so that the ore trajectory is different and the sorting purpose is achieved. The corona electric field is an electric field widely used in electric selection. It uses two electrodes separated by a certain distance, one of which is a wire electrode with a small diameter (or a corona pole) with a large curvature and a high voltage DC negative voltage. Or positively charged, another extremely flat or large diameter drum (ground), in which a corona electric field of partial discharge is generated, which can be carried through the ore particles between the two electrodes. The composite electric field refers to the electric field combined with the corona electric field and the composite electric field, and is a commonly used electric field in the electric field of the electric separator, which can greatly improve the sorting effect.