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时间:2020-09-23
《沙坝煤矿开发利用方案阻力计算表(6。19).doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、矿井初期通风总阻力计算表附表1编号井巷名称支架种类α井巷长度L(m)周长U(m)断面积S(m2)断面积的立方(S3)风阻R摩(千缪)风量Q(m3//s)风量的平方(Q2)通风阻力h小(mmH2O)风速V(m/s)1主平硐锚喷、砌碹0.00053288.45.65180.360.007620400.0003.063.542主岩石运输大巷锚喷、砌碹0.00052728.45.65180.360.006320400.0002.533.543+1140北岩石运输大巷锚喷、砌碹0.00064148.45.65180.360.011620400.
2、0004.633.544Ⅰ采区一级轨道上山锚喷、砌碹0.00154028.754.8110.590.047715225.00010.733.135+1310岩石运输平巷锚喷、水泥支架0.0015228.754.8110.590.002615225.0000.593.136Ⅰ采区二级轨道上山锚喷、砌碹0.00152378.754.8110.590.028115225.0006.333.137+1410区段运输平巷锚喷、水泥支架0.00152868.754.8110.590.0339525.0000.851.048开切眼木支柱0.0045
3、8093.646.660.0694525.0001.741.399+1460区段回风平巷锚喷、水泥支架0.00154008.754.8110.590.0475525.0001.191.04101#回风斜井全岩、砌碹0.0005978.45.65180.360.002320400.0000.903.5411回风道全岩、砌碹0.001206.243.232.770.003820400.0001.526.25小计34.0734.07×9.8=333.886(Pa)矿井后期通风总阻力计算表编号井巷名称支架种类α井巷长度L(m)周长U(m)断面
4、积S(m2)断面积的立方(S3)风阻R摩(千缪)风量Q(m3//s)风量的平方(Q2)通风阻力h小(mmH2O)风速V(m/s)1主平硐锚喷、砌碹0.00053288.45.65180.360.007620400.0003.063.542主岩石运输大巷锚喷、砌碹0.00052728.45.65180.360.006320400.0002.533.543+1140北岩石运输大巷锚喷、砌碹0.00064148.45.65180.360.011620400.0004.633.544Ⅰ采区一级轨道上山锚喷、砌碹0.0015718.754.81
5、10.590.008415225.0001.903.135石门锚喷、水泥支架0.0015208.754.8110.590.002415225.0000.533.136+1170区段运输平巷锚喷、水泥支架0.00155008.754.8110.590.0593525.0001.481.047开切眼木支柱0.00458093.646.660.0694525.0001.741.398+1220区段回风平巷锚喷、水泥支架0.00155008.754.8110.590.0593525.0001.481.049回风绕道全岩、砌碹0.0005658
6、.754.8110.590.0026525.0000.061.0410Ⅰ采区通风行人上山锚喷、水泥支架0.00153588.754.8110.590.042520400.00016.994.17111#回风斜井全岩、砌碹0.0005978.45.65180.360.002320400.0000.903.5412回风道全岩、砌碹0.001206.243.232.770.003820400.0001.526.25小计36.8236.82×9.8=360.836(Pa)矿井初期电力负荷统计表附表2顺序负荷名称电压KV设备数量设备容量(kW)
7、需要系数cosφtgφ最大负荷最大负荷利用小时(h)年耗电量全部工作全部工作有功(kW)无功(kVar)视在(kVA)一地面负荷1通风机0.382160301.000.850.623018.687602机修车间0.385525250.400.651.171011.72640264003锅炉房0.38337.57.50.600.800.754.53.375198089104矿灯房0.38223.03.00.500.800.751.51.125198029705坑木加工房0.38228.58.50.350.651.172.9753.482
8、64078546地面安全监控0.3811221.00.880.7521.58760175207地面生产系统0.384420200.600.880.75129.03300396008室内外照明0.220010100.500
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