室内给水管道设计秒流量计算

1、室内给水管道设计秒流量计算：2"楼：A+B+B+C每系统15层每层2单元每单元4户每户4人每人每日0.2m3用水量4X4X0.2X15=48T/d+24X2.5=5.OT/tG=5.OT/hDN=7OV=0.4m/sR=6.83niniH20/m当量计算法:洗脸盆N=0.75浴盆L2座便器0.50洗衣机1.0A：洗脸盆2座便2浴盆1淋浴0.75洗菜盆1.0淋浴、菜盆、洗衣机1B.C：洗脸盆+坐便+淋浴+菜盆+洗衣机各1坐便5X0.5=2.5沐浴0.75X4=3.0洗衣机1X4=4合计：洗脸盆5X0.75=3.75浴盆1XL2=1.2洗菜盆1义4=4£N=3.75+2.5+1

2、.2+3.0+4+4=18.4515层：18.45X15=276.75设计秒流量：q=0.2Xv.NqV=l+&c(Nq-l)0.49/VNqVo=Q3/0.2Ng=2.5%Qs=250=25000/3600=0.6944X2=1.3889L/SV。=Qs/O.2XN8=0.6944/0.2X1.3889/0.2X276.95=0.0251%=2.51%&c=0.01512V=1+0.01512(276.75-1)0.49/V276.75=1+0.23X/16.6358=0.07438=7.4%q=02XVXNq=02X0.07438X276.25=4.UL/S杳表法：（一单元

3、）技术措施P447当N=280时V=7.40当q=4.2L/SD=70时D=80时u=2.5Q=4.15L/SV=l.19K=51.2mmH20/mV=0.85R=21.72个单元时：%二2.5%V=l+0.08512(553.5-1)0.49/V553.5-1+0.3337/23.526=0.057=5.7%(二单元)q=0,2X0.0567X553.5=6.27L/S1栋楼2单元管经:DN=80V=1.27R=46.4D=100V=0.73R=11.4l#+2%N=553.5X2=1107查表卡9.73G=9.73DN=100V=l.13R=26.0l'+2"+3”=11

4、07+700=1800+200=2000G=16.13L/SD=125V=1.20R=22l'+2"+3”=DN1253*给水流量计算：1：西单元：1XA户：坐便2个，浴盆1个，淋浴1个，洗脸盆2个,洗衣机1个，洗菜盆1个2XB户：坐便1个，淋浴1个，洗脸盆1个，洗衣机1个，洗菜盆1个1XC户：坐便1个，淋浴1个，洗脸盆1个，洗衣机1个，洗菜盆1个合计：坐便5个，浴盆1个，淋浴4个，洗脸盆5个，洗衣机4个，洗菜盆4个2：东单元：C+3D+B+E+17C合计：坐便7个，淋浴7个，洗脸盆7个，洗衣机7个,洗菜盆7个总计：坐便12浴盆1淋浴11洗脸盆12洗衣机11洗菜11当量值：便

5、器0.5浴盆L2淋浴0.75脸盆0.75洗衣L0洗菜1.00.5X12+1.2X1+0.75X11+0.75X12+1.0X22=6+1.2+17.25+22=46.25每层NEN=46.25X15=696.75每区N1"+2"=1107+3*=1803.751+2+3N=3:流量计算：西单元：人每层4义4=16人东单元：4X2+3X5=23人16+23=39AX0.2=7.8X15=117T/d=3.3754L/SVo=Qc/O.2.Ng=3.3854/0.2X696=0.0243=2.5%Vo=2.5%&C=0.01512V=l+0.01512X(696.75-

6、1)0.49/J696.75=1.37355/26396-0.052q=0.2XvXNg=02X0.052X696.75=7.251L/S=26T/NDN80V=1.47R=62.3D100V=0.84R=151”+2#+3"=1107+69675=1803.75G=96+96+117=309=8.941L/SVo=8.941/0.2X1803=2.48%V=l+0.01512(1802.75)0.49/V1803=1.5955/42.46=3.76%q=0.2X0.037575X1803.75=13.56L/S(表3.76,1353)1353L/S=48.80T/n杨程：1-4(1

7、2.10)8D505-12层(12.10-35.20)13(35.20)-D50-19C55.60)8D50(55.6)-27(78.20)28(78.20)-34(98.20)12#8层住宅水量与管经计算8层用水量：4X4X0.2X8=25.6T/d=0.74L/S用水当量：N=水.49X8=147.6Vo=Qc/0.2XN=074/0.2X147.6=2.51%V=1+0.01512(146.6)0.49/V147.6=1.174/12.15=9.66%q=0.2X0.0966X147.4=2.853L/S=10.4T/tD=50v=1.37R=93.2D=70v=0.82R=25.73R

8、=100X100=10000=10米压降1kg给水系统一：F5-F12F13-F19G=1260T/d=131.25T/dD150v=1.93R=45.2D=200v=1.18R=12.4给水系统二：F20-F27F28-F3498.20G=926T/d=96.45T/hD150v=1.43R=24.7D=200v=0.88R=7.08加压供水总管道：G1+G2=1260+926=227T/nD=200v=203R=35.8北区：N=2000南区：N二4428北区+南区：N=6428G=1260计算：Qs=12604-24X2.53.6=36.46L/SVo=Q3/O.2XNg=O.04116

9、=4%V=l+&c(Ng-1)0.49/JNg=l+0.01939(6427)0.49/J6428=2.42397/J6428二0.03023=3%q=0.2XVXNg=0.2X0.03023X6428=40.08L/S40L/S=144T/h2根给水管：DN150q=20L/SV=l.06R=13.0G9=144T/d=4.166Nq=836.5Vo=Qs/O.2XNg=4166/0.2X830.5=0.02508=2.5%V=l+O.01512(829.5)0.49/J830.5=1.4072/V830.5=0.0488=5%q=ll.73L/SD100V=1.36R=36.9D=

10、125V=0.88R=12.4G，i+G5+Gg+G9N2491Qc=96X3+144=432T/d=12.5L/SVo=QC/O.2XNg=12.5/0.2X2491=2.51%V=l+O.01512(2490)0.49/V2491=1.6977/2491=0.034=3.5%q=16.60L/SD125V=1.24R=23.5D=150V=0.90R=10.2G6+G+G10+Gik96X2+144+192=528T/d=15.28L/SQc=15.28L/SN=3044.5V0=15.28/0.2X3044.5=0.02509=2.5%&C=0.01512V=1+&C(n

11、-1)0.49/JN=l+O.01512X(3043.5)0.49/V3044.5=1.77V3044=3.2%q=19.33L/SD150V=1.03R=13.2Gll=960=27.78L/SN二5535V0=27.78/0.2X5535=2.51%&C=0.01512V=1+&C(N-l)0.49/JN=l+0.01512X(5534)0.49/V5535二2.032/74.398=2.73%q=30.09L/SD150叩1.59R=30.5D200v=0.97R=8.8平均的小区回水量：1260T/d北区：96T/d折合553.8当量，1260折7266当量查表：当N=

12、7500时用水量为38.06L/S=138.6T/d设计物流量：38.06L/S=138.6T/d当DN200V=l.25R=13.7当DN150V=2.04R=50.3当双路供水时：G=70T/t=19.5L/SD=125V=l.47R=32.8D=150V=l.03R=13.2当供水量为160T/d双路供水时G=80D=150V=L19R=172给水管道8层供水立面DN50时校核：当量值18.45X8=147.6V=1+0.01512(147.6-1)0.49.147.6=0.0966=9.66%q=0.2X0.0966X147.6=2.853=2.9L/S当DN50时节V=1.37R=9

13、3100X100=1NG当DN=170JFV=l.18R=69.6Q=242L/S南区自来水，中区加压给水：11Gn=192Nn=1107q=9.73L/S=36T/d8*G8=96T/hN8=553.5q=6.25L/S9*G9=144T/hN9=830.5q=8.23L/S80+9、653.5+830.5=1384q=ll.42L/sqio=8.2310Gio=144T/hNio=83O.58*+9”+10”+11口=1384+830.5+1107=3321q=21.14L/Sq=6.25q5=6.25q=9.73=36T/d4”G-96Nf558.55*G=96N5=553.54"+5”=N+N5+11076*g=96n6=553.5q=6.254'+5“+6”=1660.5q=13.027%G=96N7=553.5q=6.25