消防喷淋水力计算

"喷淋泵(三台，2用1备）；Q=25l/s,H=100m,N=45KW",,,,,,,,,,,,,,,,

危险等级,,,,中危I级,,,,,,,,,,,,

喷水强度(L/min·m2),,,,6.00,作用面积(m2),,,,160,,,,,,,

流速不应超过(m/s),,,,10,最不利点喷头工作压力(bar),,,,0.5,,,,,,,

公称直径(mm),,,,25,32,40,50,70,80,100,125,150,,,,

内径(mm),,,,25.7,34.4,40.3,51.3,67.1,78.9,103.5,128.9,154.3,,,,

,,,,,,,,,,,,,,,,,

上一节点,下一节点,管道长度,流量系数,喷水,两节点间高差,当量长度,喷头流量,管道流量,公称直径,内径,支管流量,流速,压力损失,计算管段长度,累计损失,节点压力

,,(m),K,,(m),(m),(l/min),(l/min),(mm),(mm),(l/min),(m/s),(1000mbar/m),ofpipeline(m),(1000mbar),(1000mbar)

1,2,3.00,80,Yes,0.00,0.00,56.6,56.6,25,25.7,0.0,1.8,20493.0,3.00,61479.000,561479.0

2,3,3.00,80,Yes,0.00,0.00,59.9,116.5,32,34.4,0.0,2.1,18833.6,3.00,56500.800,617979.8

3,4,3.00,80,Yes,0.00,0.00,62.9,179.4,32,34.4,0.0,3.2,41860.3,3.00,125580.900,743560.7

4,5,3.00,80,Yes,0.00,0.00,69.0,248.4,40,40.3,0.0,3.2,35356.1,3.00,106068.300,849629.0

5,6,3.00,80,Yes,0.00,0.00,73.7,322.1,50,51.3,0.0,2.6,17651.5,3.00,52954.500,902583.5

6,7,3.00,80,Yes,0.00,0.00,76.0,398.1,50,51.3,0.0,3.2,26120.7,3.00,78362.100,980945.6

7,8,3.00,80,Yes,0.00,0.00,79.2,477.3,70,67.1,0.0,2.3,9883.2,3.00,29649.600,1010595.2

8,8',3.70,0,No,0.00,3.70,0.0,477.3,70,67.1,0.0,2.3,9883.2,7.40,73135.680,1083730.9

8',9,0.80,0,No,0.00,1.80,0.0,155.6,32,34.4,0.0,2.8,32169.8,2.60,83641.480,1000089.4

9,10,1.50,80,Yes,0.00,0.00,77.8,77.8,25,25.7,0.0,2.5,36915.4,1.50,55373.100,944716.3

9,11,1.50,80,Yes,0.00,0.00,77.8,77.8,25,25.7,0.0,2.5,36915.4,1.50,55373.100,944716.3

8',12,8.60,0,No,0.00,4.60,0.0,632.9,80,78.9,0.0,2.2,7567.9,13.20,99896.280,1183627.2

12,13,0.80,0,No,0.00,3.10,0.0,445.8,50,51.3,0.0,3.6,32203.8,3.90,125594.820,1058032.4

13,16,1.10,80,Yes,0.00,0.00,80.9,157.4,32,34.4,0.0,2.8,32861.6,1.10,36147.760,1021884.6

16,15,3.00,80,Yes,0.00,0.00,76.5,76.5,25,25.7,0.0,2.5,35782.4,3.00,107347.200,914537.4

13,17,1.90,80,Yes,0.00,0.00,79.4,79.4,25,25.7,0.0,2.6,38332.2,1.90,72831.180,985201.2

13,14,2.40,0,No,0.00,1.80,0.0,209.0,32,34.4,0.0,3.7,55526.6,4.20,233211.720,824820.7

14,19,1.10,80,Yes,0.00,0.00,71.4,138.9,32,34.4,0.0,2.5,26075.3,1.10,28682.830,796137.9

19,18,3.00,80,Yes,0.00,0.00,67.5,67.5,25,25.7,0.0,2.2,28386.2,3.00,85158.600,710979.3

14,20,1.90,80,Yes,0.00,0.00,70.1,70.1,25,25.7,0.0,2.3,30442.1,1.90,57839.990,766980.7

12,21,7.00,0,No,0.00,6.10,0.0,1078.7,100,103.5,0.0,2.1,5412.2,13.10,70899.820,1254527.0

21,22,0.80,0,No,0.00,1.80,0.0,238.4,32,34.4,0.0,4.3,70834.9,2.60,184170.740,1070356.3

22,23,2.20,80,Yes,0.00,0.00,79.4,79.4,25,25.7,0.0,2.6,38332.2,2.20,84330.840,986025.5

22,24,0.80,80,Yes,0.00,0.00,81.7,159.0,32,34.4,0.0,2.9,33482.3,0.80,26785.840,1043570.5

24,25,3.00,80,Yes,0.00,0.00,77.3,77.3,25,25.7,0.0,2.5,36477.7,3.00,109433.100,934137.4

21,26,8.00,0,No,0.00,6.10,0.0,1317.1,100,103.5,0.0,2.6,7830.8,14.10,110414.280,1364941.3

26,27,0.80,0,No,0.00,3.10,0.0,481.8,50,51.3,0.0,3.9,37179.4,3.90,144999.660,1219941.6

27,29,1.20,80,Yes,0.00,0.00,86.4,86.4,25,25.7,0.0,2.8,44817.4,1.20,53780.880,1166160.7

27,30,1.20,80,Yes,0.00,0.00,86.7,169.6,32,34.4,0.0,3.0,37728.4,1.20,45274.080,1174667.5

30,31,2.40,80,Yes,0.00,0.00,82.9,82.9,25,25.7,0.0,2.7,41516.6,2.40,99639.840,1075027.7

27,28,2.40,0,No,0.00,1.80,0.0,225.8,32,34.4,0.0,4.1,64064.8,4.20,269072.160,950869.4

28,32,1.20,80,Yes,0.00,0.00,76.2,76.2,25,25.7,0.0,2.4,35523.2,1.20,42627.840,908241.6

28,33,1.20,80,Yes,0.00,0.00,76.5,149.6,32,34.4,0.0,2.7,29912.6,1.20,35895.120,914974.3

33,34,2.40,80,Yes,0.00,0.00,73.1,73.1,25,25.7,0.0,2.3,32896.0,2.40,78950.400,836023.9

26,35,36.50,0,No,0.00,12.30,0.0,1798.9,100,154.3,0.0,1.6,1993.8,48.80,97297.440,1462238.7

35,35',26.00,0,No,0.00,9.20,0.0,1798.9,100,154.3,0.0,1.6,1993.8,35.20,70181.760,1532420.5

35,36,5.70,0,No,0.00,8.60,0.0,1798.9,150,154.3,0.0,1.6,1993.8,14.30,28511.340,1560931.8

36,37,5.70,0,No,0.00,4.30,0.0,1798.9,150,154.3,0.0,1.6,1993.8,10.00,19938.000,1580869.8

37,38,70.60,0,No,0.00,30.00,0.0,1798.9,150,154.3,0.0,1.6,1993.8,100.60,200576.280,1781446.1

38,39,30.80,0,No,0.00,4.30,0.0,1798.9,150,154.3,0.0,1.6,1993.8,35.10,69982.380,1851428.5

39,40,80.20,0,No,0.00,21.50,0.0,1798.9,150,154.3,0.0,1.6,1993.8,101.70,202769.460,2054198.0

40,41,3.20,0,No,0.00,4.30,0.0,1798.9,150,154.3,0.0,1.6,1993.8,7.50,14953.500,2069151.5

41,42,12.20,0,No,0.00,9.20,0.0,1798.9,150,154.3,0.0,1.6,1993.8,21.40,42667.320,2111818.8

42,43,3.20,0,No,0.00,4.30,0.0,1798.9,150,154.3,0.0,1.6,1993.8,7.50,14953.500,2126772.3

43,44,22.20,0,No,0.00,8.60,0.0,1798.9,150,154.3,0.0,1.6,1993.8,30.80,61409.040,2188181.3

44,45,698.30,0,No,0.00,36.90,0.0,1798.9,150,154.3,0.0,1.6,1993.8,735.20,1465841.760,3654023.1

45,46,5.10,0,No,0.00,4.30,0.0,1798.9,150,154.3,0.0,1.6,1993.8,9.40,18741.720,3672764.8

46,47,16.30,0,No,0.00,22.70,0.0,1798.9,150,154.3,0.0,1.6,1993.8,39.00,77758.200,3750523.0

47,48,4.10,0,No,0.00,13.50,0.0,1798.9,150,154.3,0.0,1.6,1993.8,17.60,35090.880,3785613.9

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,2,,,,,,

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,,,,,,,流量,29.98,局部阻力,,,,,,,

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,各种管件和阀门的当量长度(m),,,,,,,,,,,,,,,

,管件名称,管件直径DN(mm