Knowledge map analysis of coal and gas co-mining based on Citespace
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摘要:
为进一步了解我国煤与瓦斯共采领域的整体研究进展，以中国知网（CNKI）数据库作为样本来源，借助Citespace软件绘制出发文量、研究机构以及关键词聚类等知识图谱，对我国煤与瓦斯共采研究状况进行可视化分析。研究表明：在时间分布上，经历了缓慢萌芽期−快速成长期−平稳成熟期3个发展阶段，尤其是在2000—2014年之间开启了该领域快速发展的黄金时代，核心期刊和全部期刊的发文量均得到快速增长，反映出该阶段处于我国煤与瓦斯共采研究的高潮期；在合作网络方面，主要研究机构包括中国煤炭科工集团、中国矿业大学、河南理工大学等机构，均是国内从事煤炭领域研究的重要科研机构；结合关键词聚类和相关文献进行梳理分析，发现我国煤与瓦斯共采研究主要包括数值模拟、瓦斯、采空区和水力压裂等高频关键词，通过提取突现强度较高的前20位关键词，并按照突现年份重新排序，得到突现词随时间推进的演化情况；形成了以煤层增透、水力冲孔、以孔代巷以及碎软煤层等为主要突现关键词成为近年来研究人员高度关注的对象，表征了其是当前的研究热点，并有成为未来发展和关注的研究趋势。在此基础上，利用可视化知识图谱，挖掘研究领域的前沿热点和发展趋势，以期为我国煤与瓦斯共采研究提供科学参考。
Abstract:In order to further understand the overall research progress in the field of coal and gas co-mining in China, taking CNKI database as the sample source, with the help of Citespace software, the knowledge maps such as the articles published, research institutions and keyword clustering are drawn to visually analyze the research status of coal and gas co-mining in China. The results show that the time distribution has experienced three stages: slow germination period, rapid growth period, and stable maturity period, especially the golden age of rapid development in this field between 2000 and 2014. The number of publications in core journals and all journals has been growing rapidly, which reflects that this stage is at the climax of coal and gas co-mining research in China. In terms of cooperation network, the main research institutions include China Coal Science and Engineering Group, China University of Mining and Technology, Henan Polytechnic University and other institutions, which are important research institutions in the field of coal in China. Combined with keyword clustering and related literature analysis, the research on coal and gas co-mining in China mainly includes high-frequency keywords such as numerical simulation, gas, goaf and hydraulic fracturing. By extracting the top 20 keywords with high burst intensity and reordering them according to the burst years, the evolution of burst words with time is obtained. The keywords such as coal seam permeability enhancement, hydraulic punching, replacing roadways with holes and breaking soft coal seams have become highly concerning to researchers in recent years. It is characterized as the current research hotspot and has become the future development and research trend. On this basis, the frontier hotspots and development trends in the research field are excavated by using the visual knowledge maps, so as to provide scientific reference for the research on coal and gas co-mining in China.
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Keywords:
- coal and gas co-mining /
- CiteSpace /
- knowledge map /
- CNKI database /
- visualization
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图 1 煤与瓦斯共采领域发文量趋势及期刊分布情况
Figure 1. The trend of articles published and distribution of journal in coal and gas co-mining field
表 1 发文量位于前10位的研究机构排名
Table 1 Top 10 articles published with the strongest research institutions
编号 研究机构 发文量/篇 1 中煤科工集团重庆研究院有限公司 293 2 中国矿业大学安全工程学院 243 3 瓦斯灾害监控与应急技术国家重点实验室 221 4 河南理工大学安全科学与工程学院 200 5 中煤科工集团西安研究院有限公司 159 6 煤科集团沈阳研究院有限公司 158 7 中国矿业大学(北京)资源与安全工程学院 131 8 煤矿安全技术国家重点实验室 129 9 安徽理工大学能源与安全学院 124 10 河南理工大学能源科学与工程学院 98 
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表 2 引文突现位于前20位的关键词排名
Table 2 Top 20 Keywords with the strongest citation bursts
关键词 年份 强度 起始年 终止年 2001～2022 瓦斯治理 2001 45.65 2001 2009 
瓦斯 2001 28.24 2001 2010 综合治理 2001 16.59 2001 2010 治理 2001 17.51 2002 2009 瓦斯抽放 2001 27.91 2003 2012 瓦斯涌出 2001 6.67 2005 2013 瓦斯事故 2001 6.64 2005 2010 地面钻井 2001 6.4 2006 2014 先抽后采 2001 5.53 2006 2010 保护层 2001 9.3 2007 2012 抽采 2001 8.13 2007 2012 增透 2001 6.53 2014 2017 安全工程 2001 5.92 2014 2016 瓦斯浓度 2001 5.6 2014 2020 水力冲孔 2001 6.6 2015 2019 煤层增透 2001 7.92 2017 2022 抽采效果 2001 5.82 2017 2022 碎软煤层 2001 5.77 2018 2022 以孔代巷 2001 6.46 2019 2022 抽采钻孔 2001 6.07 2019 2022
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表 3 聚类信息表
Table 3 Clustering information table
分类 关键词（按照频次排序，频次大于10） 研究对象 瓦斯、采空区、上隅角、煤层气、突出煤层、松软煤层、卸压瓦斯、低透气性、保护层、煤层群、
特厚煤层、裂隙带、底抽巷、碎软煤层增透措施 水力压裂、卸压增透、水力冲孔、增透、煤层增透、水力割缝、增透技术、卸压、深孔预裂爆破、
液态CO2、埋管抽采、强化抽采、水射流、割缝抽采方式 高位钻孔、穿层钻孔、顺层钻孔、高抽巷、地面钻井、沿空留巷、保护层开采、
定向长钻孔、埋管抽采工具/方法 数值模拟、钻孔布置、流固耦合、相似模拟、抽采参数、物理模拟、优化 测定参数/指标 抽采效果、瓦斯压力、渗透率、抽采半径、瓦斯浓度、抽采负压、瓦斯含量、抽采率、
煤层透气性、瓦斯流量、消突、卸压范围、残余瓦斯含量其他 瓦斯超限、瓦斯运移、安全工程、封孔
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