通風(fēng)負壓計算表

通風(fēng)負壓計算表(初期)表1序號巷道名稱阻力系數(shù)a(N?s2/m4)周長P(m)長度L(m)凈斷面積S(mJ風(fēng)量Q(m3/s)風(fēng)速V(m/s)摩擦風(fēng)阻R(N?s2/m8)通風(fēng)阻力H(Pa)f支護方式A-B主平硐噴漿0.00711.52889.3141.510.02885.6B-C主暗斜井上部車場砌碹0.00612.87210.8141.300.00440.9C-D主暗斜井噴漿0.007&93245.7142.460.108921.4D-E+90m井底車場砌碹0.00612.84010.8141.300.00240.5E-F+90m運輸石門噴漿0.007&811795.38142.600.070913.9F-G+90m西運輸巷噴漿0.007&81665.38122.600.00240.3G-H+90m21煤運輸大巷工字鋼0.015&811425.3892.230.12059.7H-I11211回采工作面木支護0.0459.2734.893.750.273222.1I-J+153m21煤回風(fēng)巷木支護0.015&11184.592.670.157312.7J-K+153m西回風(fēng)石門裸0.007&81775.38122.810.03044.4K-L+153m西集中回風(fēng)巷裸0.007&813075.38122.810.121617.5L-M+153m南回風(fēng)石門噴漿0.007&812005.38122.810.079211.4M-N一號暗斜井下部車場砌碹0.00612.82010.8141.400.00120.2N-O一號暗斜井砌碹0.006&91625.7142.650.04679.1O-P上部車場砌碹0.00612.83510.8141.400.00210.4P-Q+230m回風(fēng)平硐噴漿0.00711.53159.3141.620.03156.2

通風(fēng)負壓計算表(初期)表1(續(xù))序號巷道名稱支護方式阻力系數(shù)a(N?s2/m4)周長P(m)長度L(m)凈斷面積S(mJ風(fēng)量Q(ms/s)風(fēng)速V(m/s)摩擦風(fēng)阻R(N?s2/m8)通風(fēng)阻力Hf(Pa)'Q-R+230m回風(fēng)石門裸0.008&2454.7143.210.02484.9R-S回風(fēng)上山噴漿0.007&2112.64.7143.210.062212.2S-T風(fēng)平硐噴漿0.007&2244.7143.210.01322.6T-U風(fēng)硐砌碹0.006&1254.6143.280.01002.0計157.8礦井局部阻力(15%)23.7礦井通風(fēng)阻力合計181.5礦井通風(fēng)等積孔A-1.19xQ-1.19x,14 -1.23m2<H J181.5

通風(fēng)負壓計算表(后期)表1(續(xù))序號巷道名稱阻力系數(shù)a(N?s2/m4)周長P(m)長度L(m)凈斷面積S(mJ風(fēng)量Q(m3/s)風(fēng)速V(m/s)摩擦風(fēng)阻R(N?s2/m8)通風(fēng)阻力H(Pa)f支護方式A-B主平硐噴漿0.00711.52889.3141.510.02885.6B-C主暗斜井上部車場砌碹0.00612.87210.8141.300.00440.9C-D主暗斜井砌碹0.006&93245.7142.150.093418.3D-E主暗斜井砌碹0.006&9705.7122.150.02022.9E-F±0m井底車場砌碹0.00612.84010.8121.300.00240.3F-G±0m運輸石門噴漿0.007&81365.38122.600.01632.3G-H±0m21煤運輸大巷工字鋼0.015&813605.385.042.600.30557.7H-I21211回采工作面木支護0.0459.6593.25.041.580.777719.7I-J+45m21煤回風(fēng)巷巷木支護0.0157.73284.05.041.260.591915.0J-K+45m回風(fēng)石門裸0.007&81665.385.040.940.02610.7K-L二號暗斜井下部車場砌碹0.00612.82010.8121.300.00120.2L-M三號暗斜井砌碹0.006&91035.7122.150.04156.0M-N二號暗斜井下部車場砌碹0.00612.83010.8141.300.00180.4N-O二號暗斜井砌碹0.006&91445.7142.150.0415&1O-P二號暗斜井上部車場砌碹0.00612.82010.8141.300.00120.2P-Q一號暗斜井下部車場砌碹0.00612.84010.8141.400.00240.4

通風(fēng)負壓計算表(后期)表1(續(xù))序號巷道名稱支護方式阻力系數(shù)a(N?s2/m4)周長P(m)長度L(m)凈斷面積S(mJ風(fēng)量Q(ms/s)風(fēng)速V(m/s)摩擦風(fēng)阻R(N?s2/m8)通風(fēng)阻力Hf(Pa)'Q-R一號暗斜井砌碹0.006&91625.7142.650.04679.1R-S上部車場砌碹0.00612.83510.8141.400.00210.4S-T+230m回風(fēng)平硐噴漿0.00711.53159.3141.620.03156.2T-U+230m回風(fēng)石門裸0.008&2454.7143.210.02484.9u-v回風(fēng)上山噴漿0.007&2112.64.7143.210.062212.2V-W風(fēng)平硐噴漿0.007&2244.7143.210.01