[1]李瑞楼.呼吸性粉尘质量浓度在线监测技术研究[J].中国安全生产科学技术,2025,21(6):95-99.[doi:10.11731/j.issn.1673-193x.2025.06.012]
LI Ruilou.Study on on-line monitoring technology of respirable dust concentration[J].Journal of Safety Science and Technology,2025,21(6):95-99.[doi:10.11731/j.issn.1673-193x.2025.06.012]
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呼吸性粉尘质量浓度在线监测技术研究
LI Ruilou.Study on on-line monitoring technology of respirable dust concentration[J].Journal of Safety Science and Technology,2025,21(6):95-99.[doi:10.11731/j.issn.1673-193x.2025.06.012]
《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]
- 卷:
- 21
- 期数:
- 2025年6期
- 页码:
- 95-99
- 栏目:
- 职业安全卫生管理与技术
- 出版日期:
- 2025-06-30
文章信息/Info
- Title:
- Study on on-line monitoring technology of respirable dust concentration
- 文章编号:
- 1673-193X(2025)-06-0095-05
- Keywords:
- respirable dust; real-time monitoring; separator; hardware; software
- 分类号:
- X936
- 文献标志码:
- A
- 摘要:
- 为有效对煤矿井下环境中呼吸性粉尘质量浓度进行实时在线监测并保证呼吸性粉尘分离器的分离效能，提出1种基于光散射原理的呼吸性粉尘质量浓度在线监测技术。首先，基于虚拟冲击原理，仿真分析分离器内部颗粒轨迹分布，阐述光散射法的检测原理，并设计呼吸性粉尘光学检测单元。其次，基于孔板流量检测技术，构建恒流量控制系统，设计监测仪器的硬件结构和光学检测算法模型。最后，将呼吸性粉尘质量浓度监测仪器的测量数据与滤膜称重法的呼吸性粉尘采样器检测数据进行对比。研究结果表明：基于光散射法的呼吸性粉尘质量浓度传感器的检测范围为0~300 mg/m3，最大的检测相对误差为8.18%。研究结果可精准检测呼吸性粉尘质量浓度，为尘肺病预警提供基础数据参考。
- Abstract:
- In order to effectively monitor the quality concentration of respiratory dust in the underground environment of coal mines in real-time and ensure the separation efficiency of respiratory dust separators,a respiratory dust quality concentration online monitoring technology based on the principle of light scattering is proposed.Firstly,based on the principle of virtual impact,the particle trajectory distribution inside the separator was simulated and analyzed,and the detection principle of light scattering method was explained.Secondly,based on orifice plate flow measurement technology,a constant flow control system was constructed,and hardware structural design and optical detection algorithm models for the monitoring instrument were designed.Finally,the measurement data of the respiratory dust mass concentration monitoring instrument was compared with the detection data of the respiratory dust sampler using the filter membrane weighing method.The research results show that the detection range of the respiratory dust mass concentration sensor based on light scattering is 0~200 mg/m3,with a relative error of 8.18%.The research results can accurately detect the mass concentration of respiratory dust,providing basic data reference for early warning of pneumoconiosis.
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备注/Memo
- 备注/Memo:
-
收稿日期： 2024-09-22
作者简介： 李瑞楼，硕士，工程师，主要研究方向为煤炭采掘方面管理。
