the fully mechanized thin coal seam mining technology in highly gassy mines, it can speed up the mining of methane releasing coal seams, achieve a balanced extraction of thick and thin seams and, ultimately, reach the goal of safe mining operations.
Jun 01, 2011 In view of the present situations and existing problems of thin coal seam mining under complex geological conditions, low-profile mining equipment for fully mechanized coal mining
The study and application of unmanned fully-mechanized coal mining technology and equipment which used for the thickness of coal seam from 1.4m to 2.2m. Situation of working face 1 Number of coal mine 2 2 Thickness of coal seam 1.4-2.2m. 3 Hardness of coal ore f2.5-3 . 4 Dip angle of coal seam 3-5 5 Length of working face 235m
Study on fully mechanized coal mining technology in passed 40 years in Datong mining area November 2010 Meitan XuebaoJournal of the China Coal Society 35111772-1777
170 Fully mechanized coal mining technology for thin coal seam under complicated geological conditions 1. INTRODUCTION Based on their thickness, coal seams have been classified into several categories seams with thickness of 0.81.3 m are in the thin coal seam group and thickness of
Sichuan Dazhu Coal Electricity Group Co., Ltd., developed the application of ultra thin coal seam mining equipment and the high efficiency of fully mechanized mining technology in mining area was first time realized in 0.550.8 m seam to effectively improve the efficiency, mechanization and automation of coal mining in ultra thin coal seam ...
3 After analysis of the coal-loading condition, we take the roller and moldboard coal-loading equipments which adapt to the mining of extremely thin coal seam and further enhance the coal-loading effect. 176 Fully mechanized coal mining technology for thin coal
Download Citation Automated Technology Research on Fully Mechanized Mining of Thin Coal Seams Xuecun mine achieves mechanization and automation of coal
Strata behavior at fully-mechanized coal mining and solid backfilling face Wei Yin , Zhiwei Chen, Kai Quan and Xiancheng Mei Abstract Taking Ping Dingshan Coal Mine Group 12 as an example, this paper explains the system layout, key equipment and backfilling technology in detail.
Fully Mechanized Excavation System in Underground Coal Mining October 2016 Conference 2 ND INTERNATIONAL CONFERENCE ON SCIENCE, ECOLOGY AND TECHNOLOGY-2016 ICONSETE2016
Li Q., Chen Z. W., Yu W. Application of fully mechanized mining technique in thin coal seam under deep coal mine. Journal of Xian University of Science and Technology, Vol. 29, Issue 1, 2009, p. 31-35. Search CrossRef Zhang L. J., Zhang L. Comprehensive assessment on suitability of fully mechanized coal mining technology in thin seam. Coal ...
Sep 20, 2016 Miao XX, Zhang JX, Guo GL 2010a Method and technology of full-mechanized coal mining with solid waste filling. China University of Mining and Technology Press, Xuzhou. Google Scholar Miao XX, Zhang JX, Guo GL 2010b Study on waste-filling method and technology in fully-mechanized coal mining. J China C Soc 3516
Aug 05, 2014 In some coal mines, fully mechanized mining technology has been successfully applied, and working face outputs were increased remarkably. This paper analyzes the main technical difficulties in applying fully mechanized mining technology, such as surrounding rock control, mining equipment stability control, skidding prevention, and flying gangue ...
Fully mechanized mining FMM technology has been applied in Chinese coal mines for more than 40 years. At present, the output of a FMM face has reached 10-million tons with Chinese-made equipment ...
Corpus ID 112151376. Control Technology for Top Corner Gas of Fully Mechanized Coal Mining Face in Xuandong No.2 Mine articleShengshan2010ControlTF, titleControl Technology for Top Corner Gas of Fully Mechanized Coal Mining Face in Xuandong No.2 Mine, authorZhao Sheng-shan, journalCoal science and technology, year2010
According to the actual situation of coal seams occurrence in the 3212 II working face, generally the traditional mining methods use the flexible shield blasting technology for extraction. Since the successful application of the large dip angle fully mechanized mining in 1997, the mine has been using fully mechanized mining.
In view of the technical difficulties of fully mechanized top coal caving mining in the hard and thick seam in mining areas of western China, we studied the coupling between hydraulic support and surrounding rock for fully mechanized top coal caving face with large mining height,analyzed the roof coal caving structure and the determination method of hydraulic support working resistance ...
Loose blasting technology is applied to the problem of fully mechanized coal face passing through fault. The paper gets safe and practical loose blasting parameters and blasting process, achieves no re-open-off cut for the fully mechanized coal face, reduces loss of coal pillars for faults and improves the coal recovery rate. At last, the goal of high yield, steady yield, and increasing yield ...
Sep 01, 2009 The 6 th International Conference on Mining Science amp Technology Research situation and prospect of fully mechanized mining technology in thick coal seams in China Tu Shi-hao a,b, , Yuan Yong a,b , Yang Zhen a,b , Ma Xiao-tao a,b , Wu Qi a,b a State Key Laboratory of Coal Resource and Mine Safety, China University of Mining amp Technology, Xuzhou 221008, China b Department of Mining
Research of Fully Mechanized Mining Technology of Ultra thin Coal Seam and It s Application HOT Resolved A Worlds Problem about the Low Coal Seam Mining Technology Application of Electrical Haulage In-web Shearer on Working Face of Ultra-thin Coal Seam with Large The Introduction of Placer Gold Ore Dressing Technology and Equipment
Sun, B. 2020 Gas Drainage Technology in Fully Mechanized Caving Face with Horizontal Sublevel Mining in Steep and Extra-Thick Coal Seam. Open Journal of Geology, 10, 957-970. doi 10.4236ojg.2020.109043.
Characteristics such as narrow mining space, low level of mechanization, poor working environment, and high cost of mining, restrict the development of mining safety and efficiency. Recently, fully mechanized mining technology has developed rapidly for thin coal seams, the level of yield and efficiency has reached or exceeded the international ...
High precision micro seismic monitoring system to reasonable width of segment coal pillar in extra thick coal seam fully mechanized top coal caving mining. Journal of China Coal Society, 2009, 347 871-874. DOI 10.1109icmt.2011.6002055
108. ADAPTABILITY EVALUATION OF FULLY MECHANIZED COAL MINING UNDER THE CONDITION OF TYPICAL COAL SEAM. XIN-FENG WANG, WEN-ZHI DING, GUAN-SHUANG TAN 210 JOURNAL OF MEASUREMENTS IN ENGINEERING.DECEMBER 2016, VOLUME 4, ISSUE 4 coal classification, provide the basis for evaluation of adaptability of the mining process, the value of