喷淋泵(三台，2用1备）；Q=25l/s,H=100m,N=45KW危险等级喷水强度(L/min·m2)流速不应超过(m/s)公称直径(mm)内径(mm)中危I级6.00102525.7作用面积(m2)最不利点喷头工作压力(bar)324034.440.35051.37067.11600.58078.9100103.5125128.91501.3上一节点123456788'998'121316131314191412212222242126272730272828332635353637下一节点23456788'9101112131615171419182021222324252627293031283233343535'363738管道长度(m)3.003.003.003.003.003.003.003.700.801.501.508.600.801.103.001.902.401.103.001.907.000.802.200.803.008.000.801.201.202.402.401.201.202.4036.5026.005.705.7070.60流量系数喷水K80Yes80Yes80Yes80Yes80Yes80Yes80Yes0No0No80Yes80Yes0No0No80Yes80Yes80Yes0No80Yes80Yes80Yes0No0No80Yes80Yes80Yes0No0No80Yes80Yes80Yes0No80Yes80Yes80Yes0No0No0No0No0No两节点间高差(m)0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00当量长度(m)0.000.000.000.000.000.000.003.701.800.000.004.603.100.000.000.001.800.000.000.006.101.800.000.000.006.103.100.000.000.001.800.000.000.0012.309.208.604.3030.00喷头流量(l/min)56.659.962.969.073.776.079.20.00.077.877.80.00.080.976.579.40.071.467.570.10.00.079.481.777.30.00.086.486.782.90.076.276.573.10.00.00.00.00.0管道流量(l/min)56.6116.5179.4248.4322.1398.1477.3477.3155.677.877.8632.9445.8157.476.579.4209.0138.967.570.11078.7238.479.4159.077.31317.1481.886.4169.682.9225.876.2149.673.11798.91798.91798.91798.91798.9公称直径(mm)2532324050507070322525805032252532322525100322532251005025322532253225100100150150150内径(mm)25.734.434.440.351.351.367.167.134.425.725.778.951.334.425.725.734.434.425.725.7103.534.425.734.425.7103.551.325.734.425.734.425.734.425.71.31.31.31.31.3支管流量(l/min)0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0流速(m/s)1.82.13.23.22.63.22.32.32.82.52.52.23.62.82.52.63.72.52.22.32.14.32.62.92.52.63.92.83.02.74.12.42.72.31.61.61.61.61.6压力损失计算管段长度(1000mbar/m)of pipeline(m)20493.03.0018833.63.0041860.33.0035356.13.0017651.53.0026120.73.009883.23.009883.27.4032169.82.6036915.41.5036915.41.507567.913.2032203.83.9032861.61.1035782.43.0038332.21.9055526..2026075.31.1028386.23.0030442.11.9012.213.1070834.92.6038332.22.2033482.30.80377.73.007830.814.1037179.43.9044817.41.2037728.41.2041516.62.400.84.2035523.21.2029912.61.20326.02.401993.848.801993.835.201993.814.301993.810.001993.8100.60累计损失(1000mbar)61479.00056500.800125580.900106068.300529.50078362.100299.60073135.680831.48055373.10055373.100996.280125594.82036147.760107347.20072831.180233211.72028682.83085158.60057839.990709.820184170.74084330.84026785.840109433.100110414.280144999.66053780.88045274.08099639.840269072.16042627.840355.120750.40097297.44070181.76028511.34019938.000200576.280节点压力(1000mbar)561479.0617979.8743560.7849629.0902583.5980945.61010595.21083730.910000.4944716.3944716.31183627.21058032.41021884.6914537.4985201.2824820.7796137.9710979.3766980.712527.01070356.3986025.51043570.5934137.413941.31219941.61166160.71174667.51075027.7950869.4908241.6914974.3836023.91462238.71532420.51560931.81580869.81781446.1383930.800No0.004.300.01798.91501.30.0394080.200No0.0021.500.01798.91501.30.040413.200No0.004.300.01798.91501.30.0414212.200No0.009.200.01798.91501.30.042433.200No0.004.300.01798.91501.30.0434422.200No0.008.600.01798.91501.30.04445698.300No0.0036.900.01798.91501.30.0465.100No0.004.300.01798.91501.30.04716.300No0.0022.700.01798.91501.30.047484.100No0.0013.500.01798.91501.30.0最不利点处4只喷头围合范围内的平均喷水强度=248.4/21.6=11.5L/min*m2＞6.00L/min*m2喷淋泵扬程:H=∑h+Z=(37.86+4+2)+(28.2+11.2)=83.26m<100m,水量为1798.9/60=29.98L/s<50L/s，满足要求。H——水泵扬程或系统入口的供水压力(m)
∑h——管道沿程和局部水头损失、喷头最不利点工作压力的累计值(m),湿式报警阀取值4(m)或检测数据确定,水流指示器取值2(m)，雨淋阀取值7(m)
Z——最不利点处喷头与消防水池的最低水位或系统入口管系统中心线之间的高程差，当系统入口管或消防水池最低水位高于最不利点处喷头时，Z应取负值。∑h——管道沿程和局部水头损失、喷头最不利点工作压力的累计值(m)37.86湿式报警阀4水流指示器2Z——最不利点处喷头与消防水池的最低水位或系统入口管系统中心线之间的流量29.98局部阻力高程差1.61.61.61.61.61.61.61.61.61.61993.81993.81993.81993.81993.81993.81993.81993.81993.81993.835.10101.707.5021.407.5030.80735.209.4039.0017.6069982.380202769.46014953.50042667.32014953.50061409.0401465841.76018741.72077758.20035090.8801851428.520198.02069151.52111818.82126772.32188181.336023.136727.83750523.03785613.9各种管件和阀门的当量长度(m)管件名称45°弯头90°弯头三通四通碟阀闸阀止回阀异径弯头U型过滤器Y型过滤器250.30.61.5--1.532250.212.311.2320.30.91.8--2.140320.315.414400.61.22.4--2.750400.318.516.8500.61.53.11.80.33.470500.524.522.4650.91.83.72.10.34.380700.630.828管件直径DN(mm)801000.91.22.13.14.66.13.13.70.30..96.7100125801000.81.136.84933.6.21251.53.77.62.70.68.31501251.361.257.41502.14.39.23.10.99.82001501.673.568.62002.75.510.73.71.213.7---912503.35.515.35.81.516.8---122.5113.430048.218.36.41.819.8-----
