Discharge Characteristic of Barbed Electrodes in Wire-plate Electrostatic Precipitator

WANG Xiang; CHANG Jingcai; XU Chunyan; ZHANG Jing; MA Chunyuan

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Discharge Characteristic of Barbed Electrodes in Wire-plate Electrostatic Precipitator

更新时间：2025-12-08

- Discharge Characteristic of Barbed Electrodes in Wire-plate Electrostatic Precipitator
- Vol. 43, Issue 2, Pages: 533-540(2017)
- 作者机构：
  
  1. 山东大学燃煤污染物减排国家工程实验室
  2. 山东神华山大能源环境有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：10 February 2017，
  
  Published：2017
- 稿件说明：
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WANG Xiang, CHANG Jingcai, XU Chunyan, et al. Discharge Characteristic of Barbed Electrodes in Wire-plate Electrostatic Precipitator[J]. 2017, 43(2): 533-540.
DOI：

WANG Xiang, CHANG Jingcai, XU Chunyan, et al. Discharge Characteristic of Barbed Electrodes in Wire-plate Electrostatic Precipitator[J]. 2017, 43(2): 533-540. DOI：

摘要

芒刺电晕线具有优良的放电特性

在静电除尘器中得到了广泛应用。为研究芒刺电晕线的结构参数和极配参数对电晕线放电特性的影响

以常用的4种芒刺电晕线作为研究对象

建立了静电除尘器机理的实验台。从收尘极板上电晕电流密度大小和分布两个方面对芒刺电晕线的放电特性进行了实验研究

考察了芒刺高度h、光管直径d和异极距H对芒刺电晕线放电特性的影响。结果表明:相同工况下

6钉型芒刺的电晕电流密度较大

RS芒刺的电晕电流分布较均匀;芒刺电晕线的结构参数和极配参数对芒刺电晕线放电特性的影响

可以近似等效为平均电场强度对芒刺电晕线放电特性的影响;平均电场强度E和电晕电流密度J、电晕电流密度分布标准差σ之间满足二次函数关系。研究结果为芒刺电晕线的设计、静电除尘器的极配方式和电源选择提供了参考依据。

Abstract

Barbed discharge electrodes are widely used in the electrostatic precipitators because of their excellent discharge characteristics. To study the effects of structure and design parameters on the discharge characteristics of the barbed electrodes

four barbed discharge electrodes were selected and a test bench was built. The discharge characteristics of the barbed discharge electrodes in the aspects of discharge current density and distribution were studied

and the effects of barbed height h

pipe diameter d

distance between electrodes H on the discharge characteristics of the barbed electrodes were studied. The results show that the discharge current density of the six-nail barbed discharge electrodes is bigger and the discharge current distribution of the RS barbed discharge electrode is more uniform than the others on the same conditions. The effects of structure and design parameters of the barbed discharge electrode on the discharge characteristics can be equal to the effects of the average electrical field intensity on the discharge characteristics approximately. A quadratic function between the field intensity E and discharge current density J

the standard deviation σ for different kinds of discharge electrodes structures are concluded. The results can provide references for the design of barbed discharge electrodes

electrode matching

and selection of the power source.

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