Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement
In the measurement of coal-water mixture concentration during hydraulic punching permeability enhancement operations, traditional methods—such as the cofferdam method, sedimentation tank method, and weighing hopper method—suffer from low efficiency and accuracy. Tuning fork sensor technology also fa...
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| Format: | Article |
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Editorial Department of Industry and Mine Automation
2025-06-01
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| Series: | Gong-kuang zidonghua |
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| Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2025020006 |
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| author | GUO Yu YANG Chengtao CHEN Feng JIANG Peiwen LI Bing MA Yancao XU Rui HUO Xuesong TIAN Mi WU Tengfei |
| author_facet | GUO Yu YANG Chengtao CHEN Feng JIANG Peiwen LI Bing MA Yancao XU Rui HUO Xuesong TIAN Mi WU Tengfei |
| author_sort | GUO Yu |
| collection | DOAJ |
| description | In the measurement of coal-water mixture concentration during hydraulic punching permeability enhancement operations, traditional methods—such as the cofferdam method, sedimentation tank method, and weighing hopper method—suffer from low efficiency and accuracy. Tuning fork sensor technology also falls short in terms of precision and consistency, while single laser detection techniques have limited applicability. To address these issues, a laser-based transmission-reflection fusion device for coal-water mixture concentration measurement was proposed. A laser source and a reflected-light photodetector were installed on one side of the transport pipeline, and a transmitted-light photodetector was installed on the opposite side. The laser beam was directed into the coal-water mixture through a convex lens, and the transmitted-and reflected-light photodetectors converted the received optical energy into corresponding digital signals. The digital signals were superimposed and then processed for grayscale transformation and feature region selection, which helped reduce computational complexity and eliminate interference. The corresponding grayscale values were then calculated, and the relationship between grayscale values and coal-water mixture concentrations was established through polynomial regression, thereby enabling concentration measurement. The application results showed that, for coal-water mixture concentrations ranging from 2% to 20%, the minimum measurement error was 0.043%, the maximum error was 0.343%, the average error was 0.126%, and the standard deviation was 0.116%, meeting the accuracy requirements of hydraulic punching permeability enhancement operations. |
| format | Article |
| id | doaj-art-68ec0bd63ce3436a8a8d2edbf58afea7 |
| institution | DOAJ |
| issn | 1671-251X |
| language | zho |
| publishDate | 2025-06-01 |
| publisher | Editorial Department of Industry and Mine Automation |
| record_format | Article |
| series | Gong-kuang zidonghua |
| spelling | doaj-art-68ec0bd63ce3436a8a8d2edbf58afea72025-08-20T02:43:45ZzhoEditorial Department of Industry and Mine AutomationGong-kuang zidonghua1671-251X2025-06-01516283310.13272/j.issn.1671-251x.2025020006Laser-based transmission-reflection fusion device for coal-water mixture concentration measurementGUO Yu0YANG Chengtao1CHEN Feng2JIANG Peiwen3LI Bing4MA Yancao5XU Rui6HUO Xuesong7TIAN Mi8WU Tengfei9Henan Energy Group Research Institute Co., Ltd., Zhengzhou 450046, ChinaHenan Energy Group Research Institute Co., Ltd., Zhengzhou 450046, ChinaCollege of Environment and Biological Engineering, Henan University of Engineering, Zhengzhou 451191, ChinaCollege of Environment and Biological Engineering, Henan University of Engineering, Zhengzhou 451191, ChinaCollege of Environment and Biological Engineering, Henan University of Engineering, Zhengzhou 451191, ChinaHenan Coking Coal Energy Co., Ltd., Jiaozuo 454150, ChinaShanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, ChinaBeijing Pushi Technology Co., Ltd., Beijing 100020, ChinaBeijing Pushi Technology Co., Ltd., Beijing 100020, ChinaHenan Energy Group Research Institute Co., Ltd., Zhengzhou 450046, ChinaIn the measurement of coal-water mixture concentration during hydraulic punching permeability enhancement operations, traditional methods—such as the cofferdam method, sedimentation tank method, and weighing hopper method—suffer from low efficiency and accuracy. Tuning fork sensor technology also falls short in terms of precision and consistency, while single laser detection techniques have limited applicability. To address these issues, a laser-based transmission-reflection fusion device for coal-water mixture concentration measurement was proposed. A laser source and a reflected-light photodetector were installed on one side of the transport pipeline, and a transmitted-light photodetector was installed on the opposite side. The laser beam was directed into the coal-water mixture through a convex lens, and the transmitted-and reflected-light photodetectors converted the received optical energy into corresponding digital signals. The digital signals were superimposed and then processed for grayscale transformation and feature region selection, which helped reduce computational complexity and eliminate interference. The corresponding grayscale values were then calculated, and the relationship between grayscale values and coal-water mixture concentrations was established through polynomial regression, thereby enabling concentration measurement. The application results showed that, for coal-water mixture concentrations ranging from 2% to 20%, the minimum measurement error was 0.043%, the maximum error was 0.343%, the average error was 0.126%, and the standard deviation was 0.116%, meeting the accuracy requirements of hydraulic punching permeability enhancement operations.http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2025020006coal-water mixtureconcentration measurementlaser transmission methodlaser reflection methodtransmission-reflection fusion laserpolynomial regression |
| spellingShingle | GUO Yu YANG Chengtao CHEN Feng JIANG Peiwen LI Bing MA Yancao XU Rui HUO Xuesong TIAN Mi WU Tengfei Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement Gong-kuang zidonghua coal-water mixture concentration measurement laser transmission method laser reflection method transmission-reflection fusion laser polynomial regression |
| title | Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement |
| title_full | Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement |
| title_fullStr | Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement |
| title_full_unstemmed | Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement |
| title_short | Laser-based transmission-reflection fusion device for coal-water mixture concentration measurement |
| title_sort | laser based transmission reflection fusion device for coal water mixture concentration measurement |
| topic | coal-water mixture concentration measurement laser transmission method laser reflection method transmission-reflection fusion laser polynomial regression |
| url | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2025020006 |
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