矿井负压计算表.xls
矿矿井井负负压压计计算算表表（（通通风风初初期期）） 顺序巷道名称支护方式 阻力系数α巷道长度断面周长净断面 S3 风量 Q2 风压 N.S2/m4LmPmSm2Qm3/sPa 1主平硐裸体或砌碹0.011608.54.8110.592144154.23 2I采区轨道下山喷浆或砌碹0.0154908.54.8110.591112168.35 3I采区回风下山喷浆0.013108.34.485.1874914.80 4352m区段运输平巷砌碹0.022008.54.8110.594164.92 5开切眼金属支护0.03708.1464.004164.25 6362m回风平巷喷浆0.021808.34.485.184165.61 7I采区总回风平巷喷浆0.035008.34.485.1811121176.85 8375m运输平巷喷浆或砌碹0.017128.54.8110.591010054.72 9II采区轨道上山喷浆或砌碹0.0151308.54.8110.597497.34 10II采区回风上山喷浆0.011208.34.485.184161.87 11385m区段运输平巷砌碹0.011408.54.8110.594161.72 12开切眼金属支护0.02708.1464.004162.84 13395m回风平巷喷浆0.021408.34.485.184164.37 14II采区总回风平巷喷浆0.031508.34.485.181010043.85 合 计445.72 矿矿井井负负压压计计算算表表（（通通风风后后期期）） 顺序巷道名称支护方式 阻力系数α巷道长度断面周长净断面 S3 风量 Q2 风压 N.S2/m4LmPmSm2Qm3/sPa 1主平硐裸体或砌碹0.011608.54.8110.592144154.23 2375m运输平巷喷浆或砌碹0.017128.54.8110.5921441241.33 3III采区轨道下山喷浆或砌碹0.0082708.54.8110.592040066.41 4345m区段运输平巷砌碹0.012008.54.8110.594162.46 5开切眼金属支护0.02708.1464.004162.84 6355回风平巷喷浆0.0152208.34.485.184165.14 7III采区回风下山喷浆0.012708.34.485.181625667.35 8IV采区轨道下山喷浆或砌碹0.0082708.54.8110.591522537.35 9305m区段运输平巷砌碹0.011408.54.8110.594161.72 10开切眼金属支护0.02708.1464.004162.84 11315回风平巷喷浆0.0151608.34.485.184163.74 12IV采区回风下山喷浆0.012708.34.485.181112131.83 13II采区回风上山喷浆0.011208.34.485.182144151.56 14总回风巷道喷浆0.0151508.34.485.182144196.68 合 计665.48
矿业文库