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煤矿井下工作面低氧研究的可视化计量与知识图谱分析

Visual metrology and knowledge graph analysis for hypoxia research in underground coal mine working areas

  • 摘要: 为系统性了解我国煤矿工作面低氧研究的整体进展,以中国知网(CNKI)数据库作为样本来源,借助CiteSpace软件绘制发文量、研究机构及关键词聚类等知识图谱,对该领域研究状况开展可视化分析。研究表明:在时间分布上,发文规模总体经历“萌芽奠基期—快速成形期—震荡巩固期—高位扩展期”4个阶段;在合作网络方面,中国矿业大学安全工程学院、西安科技大学安全科学与工程学院、辽宁工程技术大学安全科学与工程学院以及煤矿安全技术国家重点实验室等机构处于网络枢纽,体现出较强的组织辐射与协同能力;结合关键词聚类与相关文献梳理,当前高频主题主要集中于“采空区、上隅角、数值模拟、煤自燃、防灭火、通风优化”等方向。通过提取突现度较高的若干关键词,并按突现年份重排,发现研究重心由早期的机理认知与单项防控,逐步演进为面向工程场景的耦合模拟与智能监测治理体系;其中,“多物理场耦合、均压通风、注氮惰化、实时监测预警、深部矿井低氧治理”等议题成为近年研究焦点,并呈持续强化趋势。在此基础上,研究进一步利用可视化图谱深入挖掘了该领域的研究前沿与发展路径,系统揭示了“瓦斯抽采–低氧防控”协同治理等新兴研究方向,期望为我国煤矿工作面低氧治理的政策制定与工程实施提供科学参考。

     

    Abstract: To systematically comprehend the overall progress of research on low-oxygen conditions in coal mining workfaces within China, the China National Knowledge Infrastructure (CNKI) database was utilized as the primary data source. Employing CiteSpace software, knowledge maps were generated to visualize publication volume, research institutions, and keyword clusters, thereby conducting a visual analysis of the research landscape in this field. The findings indicate: temporally, publication volume underwent four distinct phases: ‘Inception and Foundation Period — Rapid Formation Period — Fluctuating Consolidation Period — High-Level Expansion Period’. Regarding collaborative networks, institutions such as the School of Safety Engineering at China University of Mining and Technology, the School of Safety Science and Engineering at Xi’an University of Science and Technology, the School of Safety Science and Engineering at Liaoning Technical University, and the State Key Laboratory of Coal Mine Safety Technology functioned as network hubs, demonstrating strong organizational influence and collaborative capabilities. Combining keyword clustering with literature review, current high-frequency themes primarily center on ‘goaf, upper corner, numerical simulation, coal spontaneous combustion, fire prevention and suppression, ventilation optimization’. By extracting several keywords with high burst strength and rearranging them according to their year of emergence, it is observed that the research focus has progressively shifted from early-stage mechanistic understanding and single-item prevention to engineering-oriented coupled simulation and intelligent monitoring management systems. Among these, topics such as “multi-physics coupling, pressure-equalizing ventilation, nitrogen inerting, real-time monitoring and early warning, and low-oxygen management in deep mines” have become recent research focal points and exhibit a sustained intensification trend. Building upon this, the study further employs visualization graphs to explore research frontiers and development pathways, systematically revealing emerging research directions such as the coordinated governance of “gas extraction and low-oxygen prevention.” This work aims to provide a scientific reference for policy formulation and engineering implementation in low-oxygen management in coal mine working faces in China.

     

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