Review of coal industry development and super coal mine construction
In order to develop advanced productivity and assist the high-quality development of the coal industry,the development of surrounding rock control technology in stope in China in recent years is systematically introduced,the evolution law of mining stress and the process of surrounding rock fracture and instability are analyzed,and the mechanical model of surrounding rock fracture and instability,control criteria and reasonable working resistance calculation method of hydraulic support are proposed.The development process of fully mechanized mining technology and equipment in China is elaborated,and the complete sets of equipment with the maximum mining height of 10 m and the maximum supporting height of 7.0 m are developed,which solves the technical problems of safe and efficient mining of shallow buried,hard,thick and extra-thick coal seams in western mining areas.Also,the status quo,key technologies,achievements and main problems of intelligent coal mine construction in major coal producing areas of China are systematically analyzed,the definition,characteristics and connotation of intelligent super coal mine are proposed,and the achievements and experience of typical super coal mine construction are expounded.Finally,the future development directions of the coal industry are elaborated from the standard system,data system,technology system,management system and ecological system construction,to assist the coal industry achieving high-quality development.
surrounding rock controlcoal machine equipmentsmart coal minehigh-quality developmentsuper coal mine
NETL
NSTL
万方数据
