第7期 叶根喜等:边角煤高回收率高效开采工艺设计与优化 .659. [8]姜福兴.矿山压力与岩层控制.北京:煤炭工业出版社,2004: 版社,2003.4 69 [10]屠世浩。长壁综采系统分析的理论与实践.徐州:中国矿业 [9]范玉妹,徐尔,周汉良·数学规划及其应用.北京:治金工业出 大学出版社,2004:59 Design and optimization of the mining method of boundary coal pillars with high re- covery ratio and high efficiency YE Genxi),JIANG Fuxing.LIU Pengliang,FENG Zengqiang,WANG Daoong 1)Key Laboratory of the Ministry of Education of China for High-Efficient Mining and Safety of Metal Mines.Beijing 100083.China 2)Civil and Environmental Engineering School.University of Science and Technology Beijing.Beijing 100083.China 3)Coal Mining Institute of China Coal Research Institute,Beijing 100013.China 4)Nantun Mine.Yanzhou Coal Mining Group Corporation Ltd.,Zoucheng 273500.China ABSTRACI Based on the simplified plane shape,a new mining design and optimization method for recovering boundary coal pillars,called are face mining method,was presented.Its advantages are as follows:easy to choose the related comprehensive auxiliary equipment,high recovery ratio and efficiency,and fitting the fully mechanized coal mining technology,even the sub-level longwall caving face technology when the geologic condi- tion is permitted.The key techniques include:developing a series of underground chambers along tailgate;in a chamber,storing some supports which will be added to the coming face-supports when the face advances near the chamber;canceling face-end supports and adopting a simple conveyer in order to add or remove supports quickly.Then,with the linear mathematics programming theory,the objective function of recovery efficiency and the constraint functions of safety and exploitation cost were established.It is concluded that the increased number of supports each time not only affects the number of underground chambers but also the efficiency.The optimization analysis also provides various optimal technology schemes with the principle of higher efficiency or lower cost. KEY WORDS boundary coal pillar:working face;mining method;process design;program optimization[8] 姜福兴.矿山压力与岩层控制.北京:煤炭工业出版社2004: 69 [9] 范玉妹徐尔周汉良.数学规划及其应用.北京:冶金工业出 版社2003:4 [10] 屠世浩.长壁综采系统分析的理论与实践.徐州:中国矿业 大学出版社2004:59 Design and optimization of the mining method of boundary coa-l pillars with high recovery ratio and high efficiency Y E Genxi 12)JIA NG Fuxing 12)LIU Pengliang 3)FENG Zengqiang 4)WA NG Daoz ong 4) 1) Key Laboratory of the Ministry of Education of China for High-Efficient Mining and Safety of Metal MinesBeijing100083China 2) Civil and Environmental Engineering SchoolUniversity of Science and Technology BeijingBeijing100083China 3) Coal Mining Institute of China Coal Research InstituteBeijing100013China 4) Nantun MineYanzhou Coal Mining Group Corporation Ltd.Zoucheng273500China ABSTRACT Based on the simplified plane shapea new mining design and optimization method for recovering boundary coa-l pillarscalled arc-face mining methodwas presented.Its advantages are as follows:easy to choose the related comprehensive auxiliary equipmenthigh recovery ratio and efficiencyand fitting the fully mechanized coal mining technologyeven the sub-level longwall caving face technology when the geologic condition is permitted.The key techniques include:developing a series of underground chambers along tailgate;in a chamberstoring some supports which will be added to the coming face-supports when the face advances near the chamber;canceling face-end supports and adopting a simple conveyer in order to add or remove supports quickly.Thenwith the linear mathematics programming theorythe objective function of recovery efficiency and the constraint functions of safety and exploitation cost were established.It is concluded that the increased number of supports each time not only affects the number of underground chambers but also the efficiency.The optimization analysis also provides various optimal technology schemes with the principle of higher efficiency or lower cost. KEY WORDS boundary coa-l pillar;working face;mining method;process design;program optimization 第7期 叶根喜等: 边角煤高回收率高效开采工艺设计与优化 ·659·