熱力2次網(wǎng)水力平衡計(jì)算表

1、管管 網(wǎng)網(wǎng) 水水 力力 平平 衡衡 計(jì)計(jì) 算算 表表供水溫度5510回水溫度4542w/k值0.50.086kg/密度990管段面積（）熱指標(biāo)（w/）單棟熱負(fù)荷（w）熱負(fù)荷/流量公稱直徑內(nèi)徑dmmwt/h(mm)a12920.0042.007094670946.006.1070.0068.00a23365.0042.0074339145285.0012.4970.0068.00a33365.0042.0074339219624.0018.8980.0080.50a43365.0042.0074339293963.0025.28100.00106.00b1726.0042.00294972949

2、7.002.5440.0041.00b23365.0042.0074339170827.0014.6970.0068.00b32150.0042.0050111261127.0022.46125.00106.00b43365.0042.0074339402457.0034.61125.00106.00b52150.0042.0050111492757.0042.38125.00106.00b61840.0042.0047369570037.0049.02150.00106.00b72920.0042.00141892692677.0059.57100.00106.00b82920.0042.0

3、040274815317.0070.12150.00131.00c10.0042.0001109280.0095.40150.00156.00c22920.0042.00709431180223.00101.50150.00156.00 （一）環(huán)路總阻力平衡阻力=0k=(0-0)/0=0%15%（滿足要求） （二）環(huán)路管段面積（）熱指標(biāo)（w/）單棟熱負(fù)荷（w）熱負(fù)荷/流量公稱直徑內(nèi)徑dmmwt/h(mm)006.1070.0068.00a27094770947.006.1070.0068.00a37094870948.006.1070.0068.00a47094970

4、949.006.1070.0068.00a57095070950.006.1070.0068.00a67095170951.006.1070.0068.00a77095270952.006.1070.0068.00a87095370953.006.1070.0068.00a97095470954.006.1070.0068.00a107095570955.006.1070.0068.00a117095670956.006.1070.0068.00a127095770957.006.1070.0068.00a137095870958.006.1070.0068.00a147095970959.0

5、06.1070.0068.00a157096070960.006.1070.0068.00a167096170961.006.1070.0068.00a177096270962.006.1070.0068.00a187096370963.006.1070.0068.00a197096470964.006.1070.0068.00管長(zhǎng)lm比摩阻rpa/m沿程阻力rxlpa速度vm/s動(dòng)壓頭hwpa局部阻力系數(shù)局部阻力損失z=hw(pa)48.4052.102521.870.47107.042.50267.6132.00218.516992.180.96448.893.001346.687.602

6、05.881564.721.03522.293.001566.8723.0086.982000.550.80311.243.00933.7313.00128.271667.540.53140.012.50350.023.00302.09906.261.12620.603.001861.8135.0068.632402.200.71245.593.00736.783.20163.03521.711.09583.383.001750.1428.00244.406843.221.33874.543.002623.6143.00327.0714064.081.541170.363.003511.084

7、.00482.951931.781.881728.123.005184.3784.00220.1318490.581.451026.373.003079.1146.50162.887573.971.39944.763.002834.2742.00184.387744.011.481069.463.003208.39 最不利環(huán)路阻力損失0.73918264管管 網(wǎng)網(wǎng) 水水 力力 平平 衡衡 計(jì)計(jì) 算算 表表平衡阻力=0k=(0-0)/0=0%15%（滿足要求）管長(zhǎng)lm比摩阻rpa/m沿程阻力rxlpa速度vm/s動(dòng)壓頭hwpa局部阻力系數(shù)局部阻力損失z=hw(pa)48.4052.102521.

8、870.47107.042.50267.6148.4052.112521.940.47107.053.50374.6648.4052.112522.010.47107.054.50481.7248.4052.112522.080.47107.055.50588.7848.4052.112522.150.47107.056.50695.8648.4052.112522.220.47107.067.50802.9348.4052.112522.290.47107.068.50910.0248.4052.112522.360.47107.069.501017.1148.4052.122522.440

9、.47107.0710.501124.2048.4052.122522.510.47107.0711.501231.3048.4052.122522.580.47107.0712.501338.4148.4052.122522.650.47107.0813.501445.5248.4052.122522.720.47107.0814.501552.6448.4052.122522.790.47107.0815.501659.7748.4052.132522.860.47107.0816.501766.9048.4052.132522.930.47107.0917.501874.0448.4052.132523.000.47107.0918.501981.1848.4052.132523.070.47107.0919.502088.3348.4052.132523.150.47107.1020.502195.49總阻力rl+zpa2789.478338.853131.602934.282017.562768.073138.982271.859466.8317575.167116.1521569.7010408.2510952.4017.19kpa65.92管管 網(wǎng)網(wǎng) 水水 力力 平平 衡衡 計(jì)計(jì)