基于网格化的综采工作面安全分区方法
Safety Partition Method of Fully Mechanized Mining Face Based on Gridding
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摘要: 从综采工作面生产的机械化及精细化管理的需求入手,以工作面生产空间及设计的正规作业循环图为依据,提出了利用网格化方法实现静态工作面区域的划分方法。将割煤、移架和推刮板输送机3个工序和网格化思路结合起来,提出了对中部静态采煤区域动态分区的方法。选取网格化后的中部采煤区域、头三角煤区域和尾三角煤区域,利用矿压特征分析不同区域结果的差异化,对比说明网格化后区域矿压分析结果相对整面区域分析结果具有更强的针对性;指出网格化分析能体现更精细区域范围内的安全影响因素,能突出少数关键的安全影响因子。Abstract: From the perspective of the demands of mechanization and delicacy management of fully mechanized face production, based on the regular operation cycle chart of production space and design of working face, a method of dividing the static working face area by utilizing gridding method is proposed. The three processes including coal cutting, frame shifting and pushing scraper conveyor were combined with the idea of gridding and a method for dynamically partitioning the coal mining area in the central area was proposed. The gridded central coal mining area, the head triangular coal area and the tail coal area were selected and the differentiation of the analysis results of mine pressure characteristics were utilized to compare with the analysis results of pressure after gridding. This result is more targeted than the analysis result of the entire area. It is pointed out that gridding analysis can reflect safety factors in a more refined area and stress a few key security factors.
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