祁南煤矿714工作面液压支架的选型设计
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摘要
以淮北祁南煤矿714工作面地质条件为依据,确定该工作面液压支架的架型。通过对支架支护强度、工作阻力和支架高度等参数进行分析和计算,得出该矿应当采用综合机械化长壁后退式大采高、一次采全高的开采方式,架型为ZY11000/28/63型掩护式液压支架。此架型可以充分发挥综采机械效率,提高煤炭产量,节约煤炭资源,减少煤与瓦斯突出等安全隐患,提高矿井开采技术水平。
Based on the geological conditions of 714 working face in Qinan coal mine in Huaibei,the frame type of hydraulic support was determined. Based on the analysis and calculation of support strength,working resistance and support height,it was concluded that this mine should adopt the high yield and high efficiency mining method of integrated mechanized long wall back-up mining with large mining height and full mining height at one time. The support type is ZY11000/28/63 hydraulic shield support. This can give full play to the efficiency of fully mechanized mining equipment,improve coal output, save coal resources,reduce coal and gas outburst and other safety hazards,improve the level of mining technology.
Based on the geological conditions of 714 working face in Qinan coal mine in Huaibei,the frame type of hydraulic support was determined. Based on the analysis and calculation of support strength,working resistance and support height,it was concluded that this mine should adopt the high yield and high efficiency mining method of integrated mechanized long wall back-up mining with large mining height and full mining height at one time. The support type is ZY11000/28/63 hydraulic shield support. This can give full play to the efficiency of fully mechanized mining equipment,improve coal output, save coal resources,reduce coal and gas outburst and other safety hazards,improve the level of mining technology.
引文
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[2]白建军.液压支架的选型设计[J].机械工程师, 2014(12):300-302.
[3]张立荣.某煤矿中厚煤层液压支架设计选型[J].煤矿机械, 2012,33(5):19-21.
[4]马明祥,王少华,吕树杰.中厚煤层高产高效工作面液压支架的工艺研究[J].煤矿机械,2007, 28(6):156-158.
[5]陈磊.中厚煤层综采工作面支架实时工作阻力确定[J].工矿自动化, 2016,42(12):36-41.
[6]张启龙.中厚煤层450m加长综采工作面开采分析研究[J].山西煤炭, 2017,37(5):27-31.
[7]李恩国.复杂条件下中厚煤层综采面开采技术研究[J].能源与节能, 2013(4):10-12.
[8]徐万军,王爱文.通安煤矿综采工作面液压支架选型与计算[J].煤炭技术, 2008, 27(12):22-24.
[9]陈贵,常聚才.朱仙庄矿10煤综采液压支架选型分析[J].煤矿机械, 2011, 32(4):23-24.
[10]李道雅,刘文中.数值模拟技术在朱仙庄煤矿10煤层开采中应用[J].煤炭技术, 2010, 29(8):66-67.