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Theoretical and technological exploration of deep in situ fluidized coal mining

Frontiers in Energy 2019年第4期13卷 603-611页

作者： Heping XIE Yang JU Shihua REN Feng GAO Jianzhong LIU Yan ZHU Institute of deep Underground Science and Green Energy Shenzhen UniversityShenzhen 518060China Institute of Clean Energy Shenzhen 518060China Sichuan University Chengdu 610065China State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology(Beijing)Beijing 100083China Frontier Scientific Research Centre for Fluidlized Mining of deep Underground Resources China University of Mining and TechnologyXuzhou 221006China China Coal Research Institute Beijing 100013China State Key Laboratory for Geomechanics and deep Underground Engineering China University of Mining and TechnologyXuzhou 221006China China Coal Technology and Engineering Group Co. Ltd.Beijing 100013China School of Mechanics and Civil Engineering China University of Mining and Technology(Beijing)Beijing 100083China

Mining industries worldwide have inevitably resorted to exploiting resources from the deep ***,traditional mining methods can cause various problems,e.g.,considerable mining difficulty,environmental degradations,and frequent disastrous *** exploit deep resources in the future,the concept of mining must be reconsidered and innovative new theories,methods,and technologies must be *** effectively acquire coal resources deeper than 2000 m,new theoretical and technological concepts about deep in situ fluidized mining are *** limits of mining depth need to be broken to acquire deep-coal resources in an environmentally friendly,safe,and efficient *** is characterized by‘There are no coal on the ground and no men in the coal mine’.First,this paper systematically explains deep in situ fluidized coal ***,it presents a new theoretical concept,including the theories of mining-induced rock mechanics,three-field visualization,multi-physics coupling for in situ transformation,and in situ mining,transformation and *** also presents key technological concepts,including those of intelligent,unmanned,and fluidized ***,this paper presents a strategic roadmap for deep in situ fluidized coal *** summary,this paper develops new theoretical and technological systems for accomplishing groundbreaking innovations in mining technologies of coal resources in the deep underground.

关键词： coal resource deep in situ fluidized mining theoretical system key technologies strategic roadmap

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