煤炭地下气化燃空区扩展研究进展  

Research progress of cavity growth for underground coal gasification

作　　者：黄东 李文军 乔丽娟 钟登杰[1] 李天宇 HUANG Dong;LI Wen-jun;QIAO Li-juan;ZHONG Deng-jie;LI Tian-yu(School of Chemistry and Chemical Engineering,Chongqing University of Technology,Chongqing 400054,China;School of Environmental Engineering,North China Institute of Science and Technology,Langfang 065201,China;Yima Coal Comprehensive New Energy Co.,Ltd.,Yima 472300,China)

机构地区：[1]重庆理工大学化学化工学院,重庆400054 [2]华北科技学院环境工程学院,河北廊坊065201 [3]义马煤业综能新能源有限责任公司,河南义马472300

出　　处：《应用化工》2021年第4期1124-1129,共6页Applied Chemical Industry

基　　金：中央高校基本科研业务项目(3142013097,3142015091)。

摘　　要：总结近年来国内外煤炭地下气化燃空区扩展的研究进展,详细介绍了燃空区扩展机制,阐述了气化操作参数和煤质对地下煤层燃空区扩展规律的影响,分析了燃空区扩展物理模型和数学模型的形式与特点,同时对其应用条件与假设进行了对比,总结了燃空区扩展监测与控制技术的研究进展。最后,为煤炭地下气化燃空区扩展的后续研究方向提出了关注点。The principle of underground coal gasification cavity growth is the scientific basis for the stable control of gasification process.Based on the research progress made in recent years concerning underground coal gasification cavity growth,the mechanism of cavity growth was introduced,the influence of gasification operation parameters and coal quality on the principle of underground coal seam cavity growth was expounded.The form and characteristics of extended physical model and mathematical model of combustion zone were analyzed,and their application conditions and assumptions were compared.The research progress of the cavity growth monitoring and control technology was summarized.Finally,the focus was put forward for the further research direction of the cavity growth of underground coal gasification.

关 键 词：煤炭地下气化 燃空区扩展 物理模型 数学模型 

分 类 号：TQ546[化学工程—煤化学工程] TD84[矿业工程—煤矿开采]