煤矿2009.4负压计算表.xls

矿矿井井负负压压计计算算表表 煤矿通风容易时期 Q总30m3/s 表5-4-1 序 号 井巷名称支架类型 α Ns2/m4 LmPmSm2S3m23 R摩 hμ Q m2/s Q2 m2/s2 h摩 Pa V m/s 1副斜井荒料石砌碹0.007058810.718.03517.7820.0851625621.81.99 2井底车场锚喷0.01006011.719.53865.5230.008162562.11.68 3联络巷工字钢0.01704011.607.25381.0780.021162565.32.21 4联络巷工字钢0.01704011.607.25381.0780.021111212.51.52 5运输顺槽锚杆0.025060012.209.00729.0000.25198120.31.00 69105工作面单体液压支柱0.050013011.007.00343.0000.20898116.91.29 7回风顺槽锚杆0.015057011.007.50421.8750.22398118.11.20 8回风大巷锚喷0.010021011.007.50421.8750.0559814.41.20 9回风大巷锚喷0.01005011.007.50421.8750.013152252.92.00 10总回风巷锚喷0.010023011.007.50421.8750.0603090054.04.00 11回风立井荒料石砌碹0.020022312.5610.561177.5840.0483090042.82.84 小计191.1 局部阻力28.7 合计220 注R摩αLP/S3h摩RQ2VQ/SA2.4m2 矿矿井井负负压压计计算算表表 煤矿通风困难时期 Q总30m3/s 表5-4-2 序 号 井巷名称支架类型 α Ns2/m4 LmPmSm2S3m23 R摩 hμ Q m2/s Q2 m2/s2 h摩 Pa V m/s 1副斜井荒料石砌碹0.007058810.718.03517.7820.0851625621.81.99 2井底车场锚喷0.01006011.719.53865.5230.008162562.11.68 3轨道大巷工字钢0.01703011.607.25381.0780.016162564.02.21 4联络巷工字钢0.01703011.607.25381.0780.016111211.91.52 5胶带大巷工字钢0.027025411.206.75307.5470.2501522556.22.22 6运输顺槽锚杆0.025088012.209.00729.0000.36898129.81.00 79101工作面单体液压支柱0.050013011.007.00343.0000.20898116.91.29 8回风顺槽锚杆0.015096011.007.50421.8750.37598130.41.20 9回风大巷锚喷0.010018011.007.50421.8750.0473090042.24.00 10总回风巷锚喷0.010023011.007.50421.8750.0603090054.04.00 11回风立井荒料石砌碹0.020022312.5610.561177.5840.0483090042.82.84 小计302.0 局部阻力45.3 合计347 注R摩αLP/S3h摩RQ2VQ/SA1.91m2