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通风阻力表.doc

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表—4---1矿井通风容易时期总阻力计算表(1)序号巷道名称断面形状支护方式阻力系数净周长巷道长净断面风量风速阻力备注a（NS2/m4）P（m）L（m）S（m2）S3Q(m3/s)Q2V(m/s)H（Pa）1主井三心拱砖碹0.0359.8914806.755274.62520．833434．0283．084262.622井底车场半园拱砼碹0.03510.341307.26382.65720．833434．0282.8753.3633+214水平运输平巷半圆拱砼碹0.0098.931505.579173.6513.5182.252.4212.6534机巷进风巷半圆拱锚网0.0098.93655.579173.659.16784.0281.6432.5295W2801机巷半圆拱锚网0.0178.938705.579173.658.33369.4441.49452.8186W2801西工作面矩形单体液压柱0.058.911303.232.7684.16717.3611.30230.682 矿井通风容易时期总阻力计算表(2)7W2802风巷梯形金属支架0.0135108705.5166.3757.83361.3611.42443.3178+230M西回风平巷中段半圆拱锚网0.0098.932605.579173.65131692.3320.3379+230M西回风平巷外段半圆拱砼碹0.0098.932105.579173.6520.767431.2543.72241.91510回风井半圆拱砖碹0.01059.3694106.16233.7439.61568.166.429270.597小计790.831加10%局部阻力79.08加20mmH2的风硐阻力196合计1066 表—4—2矿井通风困难时期总阻力计算表(1)序号巷道名称断面形状支护方式阻力系数净周长巷道长净断面风量风速阻力备注a（NS2/m4）P（m）L（m）S（m2）S3Q(m3/s)Q2V(m/s)H（Pa）1主井三心拱砖碹0.0359.8914806.755274.62521.833476.693.232288.4332井底车场半园拱砼碹0.03510.341307.26382.657204002.7649.1832+214水平运输平巷外段半圆拱砌碹0.0098.937505.579173.6517.333300.4443.11104.293+214水平运输平巷中段半圆拱砌碹0.0098.932005.579173.6514.833220.0282.6620.394W2805机巷半圆拱砌碹0.0178.939605.579173.658.33369.4441.49358.2825W2806西工作面矩形液压支柱0.058.911303.232.7684.16717.3641.30230.6846W2806风巷半圆拱锚网0.01358.5258805.08131.0978.83378.0281.73960.2797+230M西回风平巷内段半圆拱砖碹0.0098.932605.579173.6512.833164.6942.3019.818矿井通风困难时期总阻力计算表(2)8+230M西回风平巷中段 半圆拱砖碹0.0098.931305.579173.6521.167448.0283.79426.9579+230m回风平巷外段半圆拱砖碹0.0068.9311005.579173.6523.667560.1114.242190.10610+230m西翼回风巷半圆拱砖碹0.0098.932105.579173.6528.333802.7785.07978.02511回风斜井半圆拱砖碹0.01059.3694106.16233.744217646.818304.391小计1230.838加10%局部阻力123.084加H2O的风硐阻力196合计1550