|本期目录/Table of Contents|

[1]付士根,亢永,王庆.基于光散射法粉尘个体监测仪研制*[J].中国安全生产科学技术,2021,17(6):149-153.[doi:10.11731/j.issn.1673-193x.2021.06.024]
　FU Shigen,KANG Yong,WANG Qing.Development of individual dust monitor based on light scattering method[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(6):149-153.[doi:10.11731/j.issn.1673-193x.2021.06.024]
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基于光散射法粉尘个体监测仪研制*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年6期
页码:
149-153
栏目:
职业安全卫生管理与技术
出版日期:
2021-06-30

文章信息/Info

Title:
Development of individual dust monitor based on light scattering method
文章编号:
1673-193X(2021)-06-0149-05
作者:
付士根; 亢永; 王庆
（1.中国安全生产科学研究院，北京 100012；
2.北京石油化工学院 安全工程学院，北京 102617）
Author(s):
FU Shigen;  KANG Yong;  WANG Qing
(1.China Academy of Safety Science and Technology,Beijing 100012,China;
2.School of Safety Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China)
关键词:
呼吸性粉尘; 光散射; 个体监测仪; 误差分析
Keywords:
respiratory dust;  light scattering;  individual monitor;  error analysis
分类号:
X924.2
DOI:
10.11731/j.issn.1673-193x.2021.06.024
文献标志码:
A
摘要:
为研制矿山呼吸性粉尘浓度个体监测仪，采用MIE光散射方法，试制以红外线发光二极管作为光源的呼吸性粉尘浓度个体监测仪，该监测仪主要由气路部分、光路部分及电路部分组成。利用中国安全生产科学研究院自制的粉尘简易试验装置，在气体流量为2 L/min、颗粒粒径不大于5 μm的条件下，研究试制仪器电压输出值和流入粉尘质量浓度二者的对应关系。结果表明：根据不同粉尘质量浓度下的输出电压数据，在0~300 mg/m3测量范围内，试制仪器输出电压值和粉尘浓度之间具有线性函数关系，说明呼吸性粉尘浓度个体监测仪是合理可行的；粉尘监测仪测试结果与比对仪器测量结果对比分析可知，测量误差最大为1.59%，满足粉尘检定规程要求。
Abstract:
In order to develop an individual monitor for the concentration of respiratory dust in the mines,the MIE light scattering method was used to trial-manufacture an individual monitor for the concentration of respiratory dust with the infrared light-emitting diodes as the light source,which was mainly composed of a gas path,an optical path,and a circuit.Through using a self-made dust simple test device,the corresponding relationship between the voltage output value of the trial instrument and the mass concentration of the incoming dust was studied under the conditions of a gas flow of 2 L/min and a particle size of not more than 5 μm.The results showed that according to the output voltage data under different mass concentrations of dust,within the measurement range of 0~300 mg/m3,there was a linear function relationship between the output voltage value of trial-manufactured instrument and the dust concentration,which indicated that the individual monitor for the concentration of respiratory dust was reasonable and feasible.The comparative analysis of the test results by the dust monitor and the comparison instrument showed that the maximum measurement error was 1.59%,which satisfied the requirements of the dust verification regulations.

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备注/Memo

备注/Memo:
收稿日期： 2021-05-04
* 基金项目： 十三五国家重点研发计划项目(2017YFC0805200)
作者简介： 付士根，博士，正高级工程师，主要研究方向为矿山安全技术。
通信作者： 王庆，硕士，高级工程师，主要研究方向为矿山安全技术。
更新日期/Last Update: 2021-07-07