Volume 50 Issue 7
Jul.  2024
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ZHANG Youzhen, FAN Qiang, CHEN Long, et al. Digital monitoring system for underground drilling in coal mines[J]. Journal of Mine Automation，2024，50（7）：173-178.  doi: 10.13272/j.issn.1671-251x.2023120075
Citation: ZHANG Youzhen, FAN Qiang, CHEN Long, et al. Digital monitoring system for underground drilling in coal mines[J]. Journal of Mine Automation，2024，50（7）：173-178.  doi: 10.13272/j.issn.1671-251x.2023120075
shu

Digital monitoring system for underground drilling in coal mines

doi: 10.13272/j.issn.1671-251x.2023120075
  • 1.

    China Coal Research Institute, Beijing 100013, China

  • 2.

    CCTEG Xi'an Research Institute(Group) Co., Ltd., Xi'an 710077, China

  • Received Date: 2023-12-25
  • Rev Recd Date: 2024-07-21
    • Available Online: 2024-08-01
    Abstract
  • A digital monitoring system for underground drilling in coal mines has been designed to address issues such as difficulty in measuring borehole bottom engineering parameters, insufficient accuracy and completeness of drilling data, and inadequate application of drilling data fusion. The system consists of a data source layer, a virtual model layer, a data processing layer, and a drilling service layer. The data source layer provides data support for the virtual model layer, which generates new data through simulation analysis and feeds it back to the data source layer. After receiving the data provided by the data source layer and the virtual model layer, the data processing layer performs data cleaning, transformation, and merging processes. The drilling service layer provides data display, query, analysis, alarm and other services to users at different levels through permission settings on the backend data management end. Drilling data is divided into pre drilling data (data obtained based on drilling design information and construction plans before drilling construction), real-time data (including parameters monitored by drilling process equipment and drilling site videos), and delayed data (parameters collected by drilling measurement devices at the bottom of the hole) according to temporal features. A data processing flow is designed for these three types of drilling data, and a system communication network architecture consisting of an access layer, a convergence layer, and a core layer is established. The engineering practice results show that the system has achieved the collection, transmission, display, and dynamic management of underground drilling construction data in coal mines. It meets the needs of monitoring and data management during the drilling construction process, and has good real-time and accuracy. This system provides technical support for intelligent construction and refined management of underground drilling in coal mines.

     

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