沿程水头损失计算

DN8DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN500DN600DN700DN800DN900DN1000912.515.7521.252735.7541536880.51061311562072593113634105136147028008989980.10.82240.53660.39730.26920.19720.13690.11460.0820.05930.04770.03330.02530.02020.0140.01040.00820.00670.00570.00430.00340.00290.00240.00210.00180.22.75221.79561.32960.90080.65980.45810.38330.27460.19860.15950.11150.08470.06750.04670.03490.02750.02250.01920.01440.01140.00950.00810.00690.0060.35.63263.67482.72121.84361.35040.93750.78450.56190.40640.32640.22820.17330.13810.09560.07140.05630.04610.03930.02940.02330.01950.01650.01420.01240.49.41496.14254.54853.08152.25711.5671.31130.93920.67930.54550.38140.28970.23080.15980.11940.09410.0770.06570.04910.03890.03270.02760.02370.02070.514.0759.18316.84.60693.37442.34271.96041.40421.01560.81550.57030.4330.34510.23890.17850.14070.11510.09830.07340.05810.04880.04120.03550.03090.619.612.7889.46936.41534.6993.26232.731.95531.41421.13570.79410.6030.48050.33270.24860.1960.16030.13680.10220.08090.0680.05740.04940.0430.725.98216.95112.5528.50386.22894.32443.61882.59191.87471.50541.05270.79930.6370.4410.32950.25980.21250.18140.13550.10730.09010.07610.06550.05710.833.21321.66916.04610.8717.96265.5284.6263.31342.39641.92441.34561.02180.81430.56370.42120.33210.27160.23190.17330.13720.11520.09720.08370.07290.941.29226.9419.94913.5159.89936.87265.75124.11932.97932.39251.67291.27041.01230.70080.52370.41280.33770.28820.21540.17050.14330.12090.1040.0907150.21432.76124.25916.43512.0388.35766.99395.00933.62312.90942.03441.54481.23110.85230.63690.50210.41060.35050.26190.20740.17420.1470.12650.11031.159.97839.13128.97619.63114.3799.98268.35385.98344.32763.47512.431.84521.47041.0180.76070.59970.49050.41870.31290.24770.20810.17560.15110.13171.270.34545.89533.98523.02416.86411.7089.79787.01765.07564.07582.852.16421.72461.19390.89220.70330.57530.49110.36690.29050.24410.20590.17720.15451.382.55753.86339.88527.02119.79213.74111.4998.23595.95674.78343.34482.53992.0241.40121.04710.82540.67510.57630.43060.34090.28640.24170.2080.18131.495.74762.46846.25731.33822.95415.93613.3369.55176.90845.54763.87922.94572.34741.62511.21440.95730.7830.66840.49940.39540.33220.28030.24120.21031.5109.9171.71153.10135.97526.35118.29415.30910.9657.93066.36844.45323.38152.69471.86551.3941.09890.89890.76730.57330.45390.38140.32180.27690.24141.6125.0681.59160.41740.93129.98120.81417.41812.4769.02327.24585.06673.84743.06592.12261.58611.25041.02270.8730.65230.51640.43390.36610.3150.27461.7141.1892.10868.20546.20833.84623.49819.66414.08410.1868.17995.71984.34343.46112.39621.79061.41151.15450.98550.73640.5830.48980.41330.35560.311.8158.28103.2676.46551.80437.94526.34322.04515.7911.429.17056.41264.86943.88032.68642.00741.58251.29431.10490.82560.65360.54910.46340.39870.34761.9176.35115.0685.19757.7242.27829.35224.56217.59312.72410.2187.14495.42554.32342.99322.23671.76321.44221.2310.91990.72820.61190.51630.44430.38732195.4127.4994.40263.95546.84632.52327.21619.49314.09911.3227.91676.01164.79053.31652.47831.95371.5981.3641.01930.80690.6780.5720.49220.42912.1215.43140.55104.0870.51151.64835.85630.00621.49115.54412.4828.72826.62785.28153.65652.73232.15391.76171.50381.12380.88960.74750.63070.54270.47312.2236.44154.26114.2377.38656.68339.35232.93123.58717.0613.6999.57937.27415.79654.0132.99872.3641.93351.65051.23330.97640.82030.69220.59560.51922.3258.42168.6124.8584.58161.95443.01135.99325.7818.64614.97310.477.95046.33554.38613.27762.58382.11331.80391.3481.06710.89660.75650.6510.56752.4281.38183.58135.9492.09667.45846.83339.19128.0720.30216.30311.48.65676.89834.77583.56882.81332.30111.96421.46781.16190.97630.82370.70880.61792.5305.32199.2147.599.9373.19750.81742.52530.45822.02917.6912.379.39317.48525.18213.87233.05262.49682.13131.59261.26081.05930.89380.76910.67052.6330.23215.45159.54108.0879.16954.96345.99532.94423.82719.13413.37910.168.0965.60494.18833.30172.70052.30521.72261.36371.14580.96670.83190.72522.7356.12232.34172.05116.5685.37759.27249.60135.52725.69520.63414.42810.9568.73076.04444.51673.56062.91232.48591.85761.47061.23561.04250.89710.78212.8382.99249.87185.03125.3591.81863.74453.34338.20727.63422.1915.51711.7839.38946.50044.85753.82923.1322.67351.99781.58151.32881.12120.96480.84112.9410.83268.04198.48134.4798.49368.37957.22240.98529.64323.80416.64512.63910.0726.9735.21064.10763.35972.86792.1431.69651.42541.20271.0350.90223439.65286.84212.4143.9105.473.17661.23643.8631.72225.47417.81313.52610.7797.46225.57624.39583.59543.06912.29341.81551.52541.28711.10760.96553.1469.45306.28226.8153.65112.5578.13565.38746.83333.87227.219.0214.44311.5097.96795.95414.69373.83913.27712.44881.93861.62881.37431.18261.03093.2500.23326.36241.67163.73119.9383.25869.67349.90336.09328.98320.26715.3912.2648.49036.34455.00144.09083.49192.60932.06571.73561.46441.26021.09853.3531.98347.08257.01174.12127.5488.54374.09653.0738.38430.82321.55316.36713.0429.02926.74725.31894.35043.71362.7752.19681.84581.55741.34011.16833.4564.71368.43272.82184.83135.3893.9978.65456.33640.74632.7222.87917.37413.8459.58477.16235.64624.61813.94212.94572.3321.95931.65321.42261.24013.5598.42390.42289.1195.86143.4799.683.34959.69843.17834.67324.24518.41114.67110.1577.58985.98324.89374.17733.12152.47122.07631.75191.50751.3142

水头损失估算表

水头损失估算

废水处理构筑物水头损失(m水净水处理构筑物 水头损失(m水格栅 0。1～0.25 混合槽 0.4～0.5

沉砂池 0。1～0。25 反反室 0。4～0.5

除油池 0。1～0.25 进水井格网 0.2

平流式沉淀池 0。2～0.4 沉淀池 0。2～0.3

竖流式沉淀池 0。4~0。5 澄清池 0.7～0。8

辐流式沉淀池 0.5～0。6 滤池 2。5~3

装有回转式布水H—0.15（H-工作接触滤池 2.2

鼓风曝气池 0.25~0。4 快滤池 1。5～2

加速曝气池 0。25~0.4 混合槽至沉淀池 0.3

混合池 0。1～0.3 混合槽至澄清池 0.5

接触池 0.1~0。3 混合槽至接触滤0.3

管件 水头损失(m水进水井至接触滤0.3

三通 0.2～0。3 沉淀池至滤池 0.2~0.3

变径管 0。05～0。1 澄清池至滤池 0。2～0.3

弯头 0.1 滤池至清水池 0.3

闸阀 0.1～0。2 接触滤池至清水0。3

止回阀 0。8～1.0

底阀 0.8～1.0

截止阀 0.4~0。5

水表 0.8～1.0

水泵扬程计算:

H=h1+h2+h3

h1：吸水自然高差（m），包括吸水与输水高差

h2：水头损失（m）,h2=1。2沿程管道损失，包括局部阻力损失

h3：自由水头（m） 水头损失估算表

当水泵扬程≤20 m时，为2～3 m，

当水泵扬程＞20 m时，为3~5 m

吸水罐容积计算

W= KHW33.1033.100

W：吸水罐容积（m3）

K：安全系数，取1.2

H：吸水池最低水位至吸水管最高点的高度（m)

W0：吸水管与泵壳的充水容积（m3）

简易计算

W=（3~5)WG

WG：吸水管充水容积(m3）

DN8DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN500DN600DN700DN800DN900DN1000912.515.7521.252735.7541536880.51061311562072593113634105136147028008989980.10.82240.53660.39730.26920.19720.13690.11460.0820.05930.04770.03330.02530.02020.0140.01040.00820.00670.00570.00430.00340.00290.00240.00210.00180.22.75221.79561.32960.90080.65980.45810.38330.27460.19860.15950.11150.08470.06750.04670.03490.02750.02250.01920.01440.01140.00950.00810.00690.0060.35.63263.67482.72121.84361.35040.93750.78450.56190.40640.32640.22820.17330.13810.09560.07140.05630.04610.03930.02940.02330.01950.01650.01420.01240.49.41496.14254.54853.08152.25711.5671.31130.93920.67930.54550.38140.28970.23080.15980.11940.09410.0770.06570.04910.03890.03270.02760.02370.02070.514.0759.18316.84.60693.37442.34271.96041.40421.01560.81550.57030.4330.34510.23890.17850.14070.11510.09830.07340.05810.04880.04120.03550.03090.619.612.7889.46936.41534.6993.26232.731.95531.41421.13570.79410.6030.48050.33270.24860.1960.16030.13680.10220.08090.0680.05740.04940.0430.725.98216.95112.5528.50386.22894.32443.61882.59191.87471.50541.05270.79930.6370.4410.32950.25980.21250.18140.13550.10730.09010.07610.06550.05710.833.21321.66916.04610.8717.96265.5284.6263.31342.39641.92441.34561.02180.81430.56370.42120.33210.27160.23190.17330.13720.11520.09720.08370.07290.941.29226.9419.94913.5159.89936.87265.75124.11932.97932.39251.67291.27041.01230.70080.52370.41280.33770.28820.21540.17050.14330.12090.1040.0907150.21432.76124.25916.43512.0388.35766.99395.00933.62312.90942.03441.54481.23110.85230.63690.50210.41060.35050.26190.20740.17420.1470.12650.11031.159.97839.13128.97619.63114.3799.98268.35385.98344.32763.47512.431.84521.47041.0180.76070.59970.49050.41870.31290.24770.20810.17560.15110.13171.270.34545.89533.98523.02416.86411.7089.79787.01765.07564.07582.852.16421.72461.19390.89220.70330.57530.49110.36690.29050.24410.20590.17720.15451.382.55753.86339.88527.02119.79213.74111.4998.23595.95674.78343.34482.53992.0241.40121.04710.82540.67510.57630.43060.34090.28640.24170.2080.18131.495.74762.46846.25731.33822.95415.93613.3369.55176.90845.54763.87922.94572.34741.62511.21440.95730.7830.66840.49940.39540.33220.28030.24120.21031.5109.9171.71153.10135.97526.35118.29415.30910.9657.93066.36844.45323.38152.69471.86551.3941.09890.89890.76730.57330.45390.38140.32180.27690.24141.6125.0681.59160.41740.93129.98120.81417.41812.4769.02327.24585.06673.84743.06592.12261.58611.25041.02270.8730.65230.51640.43390.36610.3150.27461.7141.1892.10868.20546.20833.84623.49819.66414.08410.1868.17995.71984.34343.46112.39621.79061.41151.15450.98550.73640.5830.48980.41330.35560.311.8158.28103.2676.46551.80437.94526.34322.04515.7911.429.17056.41264.86943.88032.68642.00741.58251.29431.10490.82560.65360.54910.46340.39870.34761.9176.35115.0685.19757.7242.27829.35224.56217.59312.72410.2187.14495.42554.32342.99322.23671.76321.44221.2310.91990.72820.61190.51630.44430.38732195.4127.4994.40263.95546.84632.52327.21619.49314.09911.3227.91676.01164.79053.31652.47831.95371.5981.3641.01930.80690.6780.5720.49220.42912.1215.43140.55104.0870.51151.64835.85630.00621.49115.54412.4828.72826.62785.28153.65652.73232.15391.76171.50381.12380.88960.74750.63070.54270.47312.2236.44154.26114.2377.38656.68339.35232.93123.58717.0613.6999.57937.27415.79654.0132.99872.3641.93351.65051.23330.97640.82030.69220.59560.51922.3258.42168.6124.8584.58161.95443.01135.99325.7818.64614.97310.477.95046.33554.38613.27762.58382.11331.80391.3481.06710.89660.75650.6510.56752.4281.38183.58135.9492.09667.45846.83339.19128.0720.30216.30311.48.65676.89834.77583.56882.81332.30111.96421.46781.16190.97630.82370.70880.61792.5305.32199.2147.599.9373.19750.81742.52530.45822.02917.6912.379.39317.48525.18213.87233.05262.49682.13131.59261.26081.05930.89380.76910.67052.6330.23215.45159.54108.0879.16954.96345.99532.94423.82719.13413.37910.168.0965.60494.18833.30172.70052.30521.72261.36371.14580.96670.83190.72522.7356.12232.34172.05116.5685.37759.27249.60135.52725.69520.63414.42810.9568.73076.04444.51673.56062.91232.48591.85761.47061.23561.04250.89710.78212.8382.99249.87185.03125.3591.81863.74453.34338.20727.63422.1915.51711.7839.38946.50044.85753.82923.1322.67351.99781.58151.32881.12120.96480.84112.9410.83268.04198.48134.4798.49368.37957.22240.98529.64323.80416.64512.63910.0726.9735.21064.10763.35972.86792.1431.69651.42541.20271.0350.90223439.65286.84212.4143.9105.473.17661.23643.8631.72225.47417.81313.52610.7797.46225.57624.39583.59543.06912.29341.81551.52541.28711.10760.96553.1469.45306.28226.8153.65112.5578.13565.38746.83333.87227.219.0214.44311.5097.96795.95414.69373.83913.27712.44881.93861.62881.37431.18261.03093.2500.23326.36241.67163.73119.9383.25869.67349.90336.09328.98320.26715.3912.2648.49036.34455.00144.09083.49192.60932.06571.73561.46441.26021.09853.3531.98347.08257.01174.12127.5488.54374.09653.0738.38430.82321.55316.36713.0429.02926.74725.31894.35043.71362.7752.19681.84581.55741.34011.16833.4564.71368.43272.82184.83135.3893.9978.65456.33640.74632.7222.87917.37413.8459.58477.16235.64624.61813.94212.94572.3321.95931.65321.42261.24013.5598.42390.42289.1195.86143.4799.683.34959.69843.17834.67324.24518.41114.67110.1577.58985.98324.89374.17733.12152.47122.07631.75191.50751.3142

mbm3/hm3/s

1经验公式一管道的糙率n值表0.0122772.000.77000

2哈森---威廉斯公式常用管材的C值表6125.000.00700

3经验公式二(用)f、m、b值表1.774.779480029.990.00833

4哈森---威廉斯公式-污泥计算0.896125.200.00700

5哈森---威廉斯公式-计算6125.200.00700糙率nCf管道沿程水头损失计算表

公式名称序号公 式管道种类流量 Q

3/16222****16*35.6dLQnhf

852.1871.49)(**10*13.1CQdLhf

bmfdfLQh/

1852117682.f.Lvh.**()DC

18524871067.f.LQh.**()DC管道种类fmb塑料硬管,玻璃钢管0.948*1051.774.77铝管、铝合金管0.861*1051.744.77石棉水泥管1.455*1051.854.89新钢管、新铸铁管5.65*1051.855.04旧钢管、旧铸铁管6.25*1051.95.1当地材料管n=？7.76n2*1092.05.33钢筋砼管n=0.0131.312*1062.05.33钢筋砼管n=0.0141.516*1062.05.33钢筋砼管n=0.0151.749*1062.05.33钢筋砼管n=0.0172.24*1062.05.33使用多年的旧钢管、铸铁管普通砼管常用管材C值表管道种类玻璃钢管塑料管石棉水泥管新钢管、新（光滑）铝合金管、镀锌钢管、半旧钢管、铸铁f、m、b值表管长L沿程水 头损失 hfmmmmm

12806000.60017.15

152.41000.1005.98

12001100.1108.57

152.41000.1006.148.732615835

152.41000.1006.08管径dnC0.0131600.0131500.0141400.0121300.0131200.0121100.008410090钢管玻璃钢管铸铁管、离心浇筑砼管砼管用管材的C值表管道的糙率n值表管道种类缸瓦管（带釉）混凝土和钢筋混凝土管（雨水管）混凝土和钢筋混凝土管（污水管）石棉水泥管铸铁管种类钢管料管水泥管光滑）铸铁管钢管、锦塑软管、铸铁管