MT-T634-2019版煤矿矿井通风计算方法

MMT/T63420192018-12-292019-7-112)33.1requiredairquantity3.2effectiveairquantity3.3ventilationefficiency;volumetricefficiency;effectiverateofairquantity3.4surfaceleakageairquantity3.5surfaceleakagerate44.14.1.14.1.24.1.34.1.24m34.1.34.24.34.3.14.3.24.3.34.3.44.3.54.455.15.1.15.1.21%1Qfi=100qgfikgfi1Qfiim/minqgfiim/minkgfii1111.2-1.61.4-2.02.0-3.05.1.32Qfi=60vSvkfhikfli70%2Qfiim3/minV2;SvkfhiAQ10563kfliAQ1028(470%2m/s201.020-231.0-1.523-261.5-1.826-281.8-2.528-302.5-3.03m2.01.02.0-2.51.12.5-5.01.24m1501.0150-2001.0-1.3200-2501.3-1.52501.5-1.75.1.4a25m/min3Qfi=25Ai3b10m3/min4Qfi=10Ai4Aiikg5.1.54m35Qfi=4Ni5Nii5.1.6615SiQfi240Si6Siim5.1.75.1.850%5.25.2.15.2.25.2.65.2.27Qdi=100qgdikgdi7Qdi1m3/minqgdiim3/minkgdiikgdi=1.52.0kgdi=1.82.55.2.3a25m3/min8Qdi=25Ai8b10mY/min9Qdi=10Ai9Aiikg5.2.44m'10Qdi=4Ni10Nii5.2.5a11Qdi=QSIi+9Si11b12Qdi=QSIi+15Si12QSim/min0.15m/s0.25m/sIiiSiim25.2.6a1314Qdi9Si13Qdi15Si14b15Qdi240Si15Sijm25.35.3.15.3.260m3/min80m3/min163600WQri=pcp60t16Qriim3/min:Wkw5pkg/m3p=1.2cpcp=1.0006kJ/(kgK)tK5()0.200.230.010.030.020.045.3.3100m3/min60m3/min17Qri=4V/6017Qriim3/minVm35.3.40.5%18100m3/min:Qri=200qri18Qriim3/minqriim3/min5.3.560m3/min80m3/min5.45.4.15.4.2a19Qei=100qgeikgei19b20Qei=133qgeikgei20Qeiim3/minqgeiim3/minkgeii1.21.35.4.3a21Qei600.15Sei21b22Qei601.0Sei22c)23Qei600.5Sei23d)24Qei60Sei24Seiim25.4.44m3/minkw25Qei=4Pi25Pikw5.526Qp=(Qpfi+Qpdi+Qpri+Qpei)kp26Qpm3/min;Qpfim3/minQpdim3/minQprim3/minQpeim3/minkp1.11.25.65.6.127Qm=(Qmfi+Qmdi+Qmri+Qmei)km27Qmm3/minQmfim3/minQmdim3/minQmrim3/minQmeim3/minkm1.151.255.6.20.0528Qm=(Qmfi+Qmdi+Qmri)km1.052866.129Qyx=Qafi+Qadi+Qari+Qaei29Qyxm3/minQafim3/minQadim3/minQarim3/minQaeim3/min6.230QyxC=Qti100%30C%Qtiim3/min6.331Qwl=Qti-Qhi31Qwlm3/minQhiim3/min6.432QWLL=Qti100%32L%7