1、管管 径径 计计 算算 表表管段热负荷管径dmm管长Lm单位摩阻RPa/m摩损RxLPa速度Vm/s动压头hwPa局部阻力系数局部阻力损失Z=hw(pa)总阻力RL+ZPaWKg/h127186.00935.2041.0010.0016.19161.910.2019.032.5047.57209.48247338.001628.4353.0032.0012.70406.290.2120.664.0082.65488.94359594.002050.0353.004.0019.6578.610.2632.751.0032.75111.36479430.002732.3953.0012.0034.
2、05408.560.3458.174.00232.69641.255183968.006328.5080.505.0020.35101.730.3558.642.00117.27219.00183969.006328.5380.505.0020.35101.730.3558.642.00117.27219.00679430.002732.3953.003.5034.05119.160.3458.176.00349.04468.20747971.001650.2053.0033.0013.02429.650.2121.222.0042.44472.08835715.001228.6041.002
3、0.0027.16543.270.2632.843.50114.95658.223487.536a31459.001082.1941.004.5021.3496.040.2325.484.00101.92197.97（一）环路15563535.3721.250.00156.220.000.4286.420.000.000.0015563535.3727.0066.0046.213049.800.2633.1680.502669.225719.025719.02 最不利环路阻力损失9206.55平衡阻力=5928K=(5756-5928)/5928=-3.0%15%（满足要求）（二）环路2015
4、2693.2327.0026.0075.741969.210.3455.6046.502585.184554.3920152693.2335.7537.0018.32677.770.1918.0929.00524.551202.325756.71平衡阻力=6607第 1 页，共 6 页K=(6314-6607)/6607=-4.4%15%（满足要求）（三）环路11623399.8321.2517.0089.111514.790.3148.2033.501614.743129.5211623399.8327.0060.0026.571594.130.1918.4986.001590.513184
5、.646314.16平衡阻力=7074K=(6964-7074)/7074=-1.6%15%（满足要求）（四）环路12256421.6121.2517.0098.641676.870.3353.5930.001607.833284.7012256421.6127.0070.0029.372055.740.2020.5679.001624.523680.266964.96平衡阻力=7460K=(7850-7460)/7460=5.2%15%（满足要求）（五）环路19836682.3621.250.00249.920.000.53140.390.000.000.0019836682.3627.00
6、57.0073.484188.140.3353.8768.003662.847850.987850.98928995.00997.4335.7531.0036.531132.510.2837.453.00112.341244.841051569.001773.9753.003.0014.9344.790.2224.523.5085.82130.6111104538.003596.1153.005.0057.82289.080.45100.763.00302.29591.37104539.003596.1453.005.0057.82289.080.45100.765.50554.21843.2
7、91285421.002938.4853.002.0039.1678.310.3767.283.50235.48313.791372899.002507.7353.0016.0028.88462.080.3249.002.50122.50584.581450325.001731.1853.005.0014.2671.280.2223.351.5035.03106.301528995.00997.4341.0023.0018.29420.610.2121.655.50119.05539.664354.441633852.001164.5141.0011.0024.53269.840.2529.5
8、02.5073.76343.601752969.001822.1353.0012.0015.71188.500.2325.874.50116.42304.92648.52平衡阻力=4165K=(4298-4165)/4165=3%15%（满足要求）（六）环路15170521.8521.250.00148.690.000.4182.110.000.000.0015170521.8527.0054.0044.012376.690.2531.5061.001921.774298.47第 2 页，共 6 页4298.47平衡阻力=4165K=(3940-4165)/4165=-5.4%15%（满足要求
9、）（七）环路13825475.5821.250.00124.330.000.3768.190.000.000.0013825475.5827.0049.0036.891807.800.2326.1781.502132.503940.303940.30平衡阻力=5431K=(4930-5431)/5431=-9%15%（满足要求）（八）环路21330733.7537.7515.0015.51232.710.1816.3023.00374.89607.5921330733.7527.0018.0084.471520.500.3662.2845.002802.824323.324930.91平衡阻力
10、=6055K=(5965-6055)/6055=-1.7%15%（满足要求）（九）环路22574776.5521.254.00321.391285.550.61181.8211.502090.913376.4622574776.5527.0016.0094.211507.290.3869.7615.501081.312588.605965.06平衡阻力=6435K=(6661-6435)/6435=-3.5%15%（满足要求）（十）环路12522430.7627.0015.0030.58458.770.2121.4715.00321.99780.7612522430.7621.2530.001
11、02.793083.660.3455.9550.002797.295880.956661.71平衡阻力=6465K=(6481-6465)/6465=-1%15%（满足要求）（十一）环路19117657.6227.0049.0068.453354.260.3250.0362.503126.956481.2119117657.6221.250.00232.630.000.52130.390.000.000.006481.21第 3 页，共 6 页给水系统配管水力计算给水卫生器具名称及卫生器具数当量流量管经流速单位管道沿程管段马桶小便器洗脸盆洗槽洗涤盆总数QgdjV水头长度水头备 注编号6.000
12、.501.001.001.00Ng（L/s）（mm）（m/s）i（mm/m）（m）hg（mm）1100006.001.6927.002.95340.662.70919.771、qg=a*0.2Ng+KNg122000012.001.8943.001.3045.171.0045.172、局部水头取25%233000018.002.0543.001.4151.971.0051.973、总水头h2=1.25*hg344000024.002.1843.001.5058.020.7040.621.25*2.881=3.60m454300025.502.2143.001.5259.452.50148.63
13、4、水表水头损失：564310026.502.2343.001.5460.391.0060.39h3=2.5m674320027.502.2543.001.5561.325.00306.60几何高度：h1=20m788640055.002.6843.001.8583.893.90327.15流出水头：h4=2.58912960082.503.0255.001.2731.8922.00701.485、总水压：9102491200160.503.7355.001.5746.556.00279.30H=h1+h2+h3+h41011000000.000.0055.000.000.004.200.00
14、28.6m1112000000.000.0055.000.000.005.000.001213000000.000.0055.000.000.0013.000.006、计算管经为内经1314000000.000.0067.000.000.000.000.00（取自建筑给水排水设计1415000000.000.0067.000.000.000.000.00手册982页）1516000000.000.0067.000.000.000.000.002881.08第 4 页，共 6 页给水系统配管水力计算给水卫生器具名称及卫生器具数当量流量管经流速单位管道沿程管段马桶小便器洗脸盆洗槽洗涤盆总数Qgdj
15、V水头长度水头编号6.000.501.001.001.00Ng（L/s）（mm）（m/s）i（mm/m）（m）hg（mm）1100006.001.6927.002.95340.662.70919.77122000012.001.8943.001.3045.171.0045.17233000018.002.0543.001.4151.971.0051.97344000024.002.1843.001.5058.023.20185.67454010025.002.2055.000.9318.211.0018.21564020026.002.2255.000.9318.515.0092.536780
16、40052.002.6455.001.1125.213.9098.307912060078.002.9755.001.2530.9541.001268.932680.54用水量：qnkTQl/人人hm3/h501202.5101.5第 5 页，共 6 页消防计算1、水枪的充实水注长度(450)、消火栓保护半径、消火栓布置间距：H1(m)H2(m)SK(m)Ld(m)Ls(m)R（m）b(m)S2(m)4.514.1202.922.915.017.32、消火栓栓口所需水压(mH2O)、校核流量：(最小流量2.5L/s、充实水柱7mH2O)Skqxh(L/S)hd(mH2O)Hq(mH2O)Hxh(mH2O)7.03.81.69.210.73、几何高差(m)：H=204、管道水力计算：管段Q(L/S)di(mm)(m/s)1000iL(m)沿程hy管损Hg123.81050.4394.64.00.020.02227.61050.87816.218.00.290.32347.61050.87816.219.00.310.34457.61050.87816.218.00.290.32567.6
