Influence of particle concentration on corona discharge in the CAROLA collector of oil droplets

Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting. Pub Date : 2004-11-01 DOI:10.1109/IAS.2004.1348680

A. Bologa, H. Paur, H. Seifert

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引用次数: 1

Abstract

Electrostatic precipitation is a preferred method for controlling oil mists. A new electrostatic collector is developed for effective cleaning of gases from oil mist. In the ionization section of the electrostatic collector fine particles are charged in the corona discharge. Ionization section consists of high voltage needle electrodes installed in the grounded nozzles. Charged particles are collected in the grounded tube bundle installed in the collection section. The laboratory and the first field tests were successfully carried out. The current voltage characteristics (CVC) of the ionization section are obtained for gas flow without and with oil mist for two different nozzle diameters. Oil mist with particle mass concentration up to 200 mg/Nm/sup 3/ and particle number concentration up to 10/sup 6/ 1/cm/sup 3/ does not influence on corona onset voltage. The onset voltage depends on the nozzle geometry. There is no practical difference between current-voltage characteristics in the gas flow without and with oil aerosol.

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颗粒浓度对油滴CAROLA集热器电晕放电的影响

静电沉淀法是控制油雾的首选方法。为了有效地净化油雾中的气体，研制了一种新型静电捕集器。在静电收集器的电离段中，细颗粒在电晕放电中带电。电离部分由安装在接地喷嘴中的高压针电极组成。带电粒子在安装在收集段的接地管束中收集。成功地进行了实验室和第一次现场试验。得到了两种不同喷嘴直径下无油雾和有油雾气体流动时电离截面电流电压特性(CVC)。当油雾颗粒质量浓度达到200mg /Nm/sup 3/，颗粒数浓度达到10/sup 6/ 1/cm/sup 3/时，对电晕发生电压无影响。起始电压取决于喷嘴的几何形状。在无油气溶胶和有油气溶胶的气体流动中，电流-电压特性没有实际差别。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting.

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