煤炭工业发展关键技术突破与超级煤矿建设

Review of coal industry development and super coal mine construction

为了发展煤炭领域先进生产力,助力煤炭工业高质量发展,研究了近年来我国采场围岩控制技术发展历程,分析了采动应力演化规律及围岩断裂失稳过程,创新提出了超大采高工作面围岩断裂失稳力学模型、控制准则及液压支架合理工作阻力计算方法。系统阐述了我国综采技术装备发展历程,研发了最大采高10 m的超大采高综采成套装备,以及最大支护高度7.0 m的超大采高综放成套装备,解决了西部矿区浅埋深、坚硬、厚及特厚煤层安全高效开采技术难题。系统分析了我国主要煤炭产区煤矿智能化建设现状、关键技术、取得的建设成效及存在的主要问题,提出了智能化超级煤矿的定义、特征及内涵,研究了典型超级煤矿建设成效与经验,并从标准体系、数据体系、技术体系、管理体系、生态体系建设等方面阐述了未来煤炭工业主要发展方向。

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.