Principle of Electrostatic Precipitator
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Electrostatic Precipitator(EP, ESP) is based on principle of electrostatic. EP makes contaminated particles to be electrostatic materials and to be collected. EP is structured by Pre Filter, Cell and After Filter. Cell is organized the Ionizer and the Collector. So what is called Two Stage charge. The function of Pre Filter filters large contaminated particles.
At ionizer, it makes contaminated particles to ionize by corona discharge which is applied high voltage (DC 10㎸ ~ 12㎸), and then ionized particles is collected at collector. High voltage (DC 5㎸ ~ 7㎸) is supplied to Collector which is plate collected at regular distance. more than 0.01㎛ contaminated particle collected at Collector. At the same time, After Filter makes clean air coming out and prevents collected particle from coming out. EP has benefit to filter 0.01㎛ particles. The ratio of efficiency is more than 97%.