关键词: 大采高综采, 综放开采, 回采率, 片帮, 冒放性

Abstract:

Based on the B10 coal seam occurrence conditions in Shajihai mine, the technical feasibility of the high cut in fully mechanized coal mining and full-mechanized caving mining were analyzed. The coal bed pitch, hardness, burial depth and spontaneous combustion were the main influencing factors for the mining method selection. The mining methods of high cut in fully mechanized coal mining and full-mechanized caving mining were feasible for B10 coal seam through adopting some technical measures. The both methods had some advantages and disadvantages. The method of high cut in fully mechanized coal mining had a high degree of automation, less personnel and equipment, manageability, higher recovery rate and lower gangue content. The method of high cut in fully mechanized coal mining were confirmed for B10 coal seam.