大气颗粒物湿法采样装置的设计与实现

doi:10.14139/j.cnki.cn22-1228.2022.02.013

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摘要

大气颗粒物样品的采集是成分分析、源解析、毒理分析等大气污染研究的基础。传统的滤膜法采样存在着很多不足，基于雾滴捕获细颗粒物的理论，搭建了一套包括雾化腔、混合腔和水幕腔三个主要结构的湿法捕集装置。利用该装置对大气颗粒物进行现场采样实验，对采集所得溶液样品做显微成像分析，并通过样品溶液的散射光强度的测量来表征样品的浓度变化。实验结果表明本文搭建的装置能对大气颗粒物样品实现有效的采集。

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	陈光明
	古嘉怡
	陈健丽
	郭苡闻
	刘美娇
	彭力

关键词: 大气颗粒物湿法采样装置雾滴

Abstract:

The collection of atmospheric particulate matter samples is the basis of air pollution research such as comnonent analysis souree analysis.and toxicological ana ysis The traditional filter membrane samoling methoo has many shortcomings.Based on the theory of the droplet capturing fine particles, a set of wet trapping devices with three main structures including an atomization cavity,a mixing cavity and a water curtain cavity are built The device is used to conduct on-site sampling experiments on atmospheric particulates, perform microscopic imaging ana ysis on the colected solution sampes.and measure the seattered ignt intensity of the sampie solution to characterize the concentration change of the sample The experimental results show that the buil device can achieve effective collection of atmospherie particulate matter samples.

Key words: atmospheric particulate matter wet sampling device fog drop

出版日期: 2022-04-25 发布日期: 2022-04-25 整期出版日期: 2022-04-25

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引用本文:

陈光明, 古嘉怡, 陈健丽, 郭苡闻, 刘美娇, 彭力, . 大气颗粒物湿法采样装置的设计与实现 [J]. 大学物理实验, 2022, 35(2): 60-63.
CHEN Guangming , GU Jiayi , CHEN Jianli , GUO Yiwen , LIU Meijiao , PENG Li. Design and Realization of Wet Sampling Device for Atmospheric Particulate Matter . Physical Experiment of College, 2022, 35(2): 60-63.

链接本文:

http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.02.013 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I2/60

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