Measurement and Analysis of Purifying Effect of Negative Ion on Indoor Fine Particulate Matter

Wang Jun-teng; Li Zhi-sheng; Liang Xi-guan; Li Hua-gang; Ou Yao-chun

doi:10.12052/gdutxb.190131

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Measurement and Analysis of Purifying Effect of Negative Ion on Indoor Fine Particulate Matter

更新时间：2026-05-27

- Measurement and Analysis of Purifying Effect of Negative Ion on Indoor Fine Particulate Matter
- Vol. 37, Issue 5, Pages: 94-99(2020)
- 作者机构：
  
  广东工业大学土木与交通工程学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.190131
  CLC： TU834
- Online First：17 September 2020，
  
  Published：2020
- 稿件说明：
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王俊腾, 李志生, 梁锡冠, 李华刚, 欧耀春. 细颗粒物粒径分布对负离子净化效果影响的实测与分析[J]. 广东工业大学学报, 2020, 37(5): 94-99.

Wang Jun-teng, Li Zhi-sheng, Liang Xi-guan, et al. Measurement and Analysis of Purifying Effect of Negative Ion on Indoor Fine Particulate Matter[J]. 2020, 37(5): 94-99.
王俊腾, 李志生, 梁锡冠, 李华刚, 欧耀春. 细颗粒物粒径分布对负离子净化效果影响的实测与分析[J]. 广东工业大学学报, 2020, 37(5): 94-99. DOI： 10.12052/gdutxb.190131.

Wang Jun-teng, Li Zhi-sheng, Liang Xi-guan, et al. Measurement and Analysis of Purifying Effect of Negative Ion on Indoor Fine Particulate Matter[J]. 2020, 37(5): 94-99. DOI： 10.12052/gdutxb.190131.

摘要

空气负离子主要通过静电吸附的方式降低空气中细颗粒物的浓度

而细颗粒物的粒径大小会对负离子的净化效果产生影响。为了研究负离子对室内不同粒径颗粒物的净化效果

以广州市某个典型居民房间为例

通过添加人工污染源并加装负离子净化器

采用相应仪器测试不同粒径颗粒物的浓度变化。并对不同粒径颗粒物浓度变化进行线性拟合。结果表明: 不同粒径颗粒物的浓度变化近似为线性

而且负离子对小粒径颗粒物的净化效果更加明显

而负离子在污染严重的空气中存活时间极短

浓度很低。

Abstract

Air negative ions reduce the concentration of fine particulate matter in the air mainly by electrostatic adsorption

and the particle size of the fine particulate matter will have an impact on the purification effect. In order to study the purification effect of negative ions on indoor particles with different particle sizes

a typical residential room in Guangzhou is taken as an example

by adding artificial pollution sources and anion purifier

to measure with corresponding instruments the concentration changes of particles with different particle sizes. And the linear fitting of the change of particle concentration with different particle size is carried out. The results show that the concentration changes of particles with different particle sizes are approximately linear

and the purification effect of anions on particles with small particle sizes is more obvious

while the survival time of anions in polluted air is very short and the concentration very small.

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references

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