供热外网管径选择参考表1.xls

供供热热外外网网管管径径选选择择参参考考表表DN 外单位管长质量标准水流量最大水流量供回水温差(mm)(mm)(kg/m)(m3/h)(m3/h)60555045403530252015可供面积(万m2)标准最大标准最大标准最大标准最大标准最大标准最大标准最大标准最大标准最大标准最大25322.51.820.380.540.050.0650.0420.0590.040.050.0340.0480.0300.0430.0270.0380.0230.0320.0190.0270.0150.0220.0110.01632382.52.190.731.030.090.1230.0800.1130.070.100.0650.0930.0580.0820.0510.0720.0440.0620.0360.0510.0290.0410.0220.03140452.52.621.311.850.160.2220.1440.2030.130.180.1180.1660.1050.1480.0910.1290.0780.1110.0650.0920.0520.0740.0390.05550573.54.622.353.320.280.3980.2580.3650.230.330.2110.2990.1880.2660.1640.2320.1410.1990.1170.1660.0940.1330.0700.10065763.56.264.676.610.560.7930.5140.7270.470.660.4210.5950.3740.5290.3270.4630.2800.3970.2340.3300.1870.2640.1400.198808948.388.0611.400.971.3680.8871.2540.811.140.7251.0260.6450.9120.5640.7980.4840.6840.4030.5700.3220.4560.2420.342100108410.2614.4820.471.742.4571.5922.2521.452.051.3031.8431.1581.6381.0131.4330.8691.2280.7241.0240.5790.8190.4340.614125133412.7326.0136.783.124.4132.8614.0462.603.682.3413.3102.0802.9421.8202.5751.5602.2071.3001.8391.0401.4710.7801.103150 1594.5 17.1541.9759.355.047.1234.6176.5294.205.943.7775.3423.3574.7482.9384.1552.5183.5612.0982.9681.6792.3741.2591.781200219631.5289.31126.3010.7215.1569.82413.8938.9312.638.03811.3677.14510.1046.2528.8415.3587.5784.4656.3153.5725.0522.6793.789250273639.51 160.43226.8819.2527.22617.64724.95716.0422.6914.43820.42012.83418.15111.23015.8829.62613.6138.02111.3446.4179.0754.8136.807300325754.9258.90366.1531.0743.93828.47940.27625.8936.6123.30132.95320.71229.29218.12325.63015.53421.96912.94518.30710.35614.6467.76710.984350377764.35 388.03548.7746.5665.85242.68360.36538.8054.8834.92349.38931.04243.90227.16238.41423.28232.92619.40127.43915.52121.95111.64116.463400426772.33 550.93779.1566.1193.49860.60285.70655.0977.9149.58370.12344.07462.33238.56554.54033.05646.74927.54638.95722.03731.16616.52823.374450478781.31 750.531061.490.06127.3782.558116.7675.05106.1467.54895.52960.04284.91552.53774.30145.03263.68637.52753.07230.02142.45822.51631.843500529790.11 989.651399.6118.76167.95108.86153.9698.97139.9689.069125.9779.172111.9769.27697.97359.37983.97749.48369.98139.58655.98529.69041.9886006307107.55 1597.12258.7191.65271.04175.68248.46159.71225.87143.74203.28127.77180.70111.80158.1195.826135.5279.855112.9463.88490.34847.91367.7617007208140.5 2393.73385.3287.24406.23263.31372.38239.37338.53215.43304.68191.50270.82167.56236.97143.62203.12119.68169.2695.748135.4171.811101.568008208160.2 3398.64806.4407.83576.77373.84528.71339.86480.64305.87432.58271.89384.51237.90336.45203.91288.39169.93240.32135.94192.26101.96144.199009208179.93 4629.96547.8555.59785.74509.29720.26462.99654.78416.69589.31370.39523.83324.09458.35277.79392.87231.50327.39185.20261.91138.90196.441000 102010 249.09 6105.08634.0732.601036.1671.55949.74610.50863.40549.45777.06488.40690.72427.35604.38366.30518.04305.25431.70244.20345.36183.15259.021200 122012 357.16 9852.3139341182.31672.01083.81532.7985.231393.4886.701254.0788.181114.7689.66975.35591.14836.01492.61696.68394.09557.34295.57418.01注:选用条件为管网粗糙度k=0.5mm,=958kg/m3,水温t=100,比摩阻h标准=40Pa/m,h最大=80Pa/m,平均热指标q=58W/m2。（1）、钢管单位管长质量（包括无缝钢管及焊接钢管（kg/m）W=0.02466 S（D S），D=外径 S=壁厚；（2）、Gt=12.06(R)0.5d2.625/K0.125 Gt1=6105d2.265 Gt2=9634d2.265 t/h；（3）、F=(G*t)/0.86q,F=(G1*t)/0.86q=(G*t)/(0.86*58*10)=(G*t)/500 万m2。76640 276.8412.10.0005 0.02240.14950.38678633.8410标准最大0.00760.01080.01450.02060.02610.03700.04690.06640.09350.13220.16120.22800.28950.40950.52010.73560.83941.18711.78622.52613.20854.53775.17807.32297.760610.97511.01915.58315.01121.22919.79327.99231.94245.17447.87467.70667.97296.12992.598130.96122.10172.68197.05278.67