SLDI233A17中国石化集团兰州设计院标准泵计算设备相对高度

1、SLDI233A17-9801999-05-211999-06-011(1)1.1(1)1.2(1)2(1)2.1(1)2.2(1)2.3(1)2.4(1)3(1)3.1(NPSH)(6)3.2(8)3.3(8)3.4(8)4(9)4.1(9)4.2(9)4.3(9)5(13)5.1(13)5.2(13)5.3(13)5.4(14)6(14)6.1(14)6.2(14)7(14)7.1(14)7.2(15)7.3(15)8(19)SLDI233A17-98:1999.06.01120111.11.222.12.1.1()2.1.2()2.1.3()2.1.42.22.2.11.5~2m/s()0.5~1.5m/s(70~110)1.5~3m/s0.5~1.5m/s12m/s2.2.22.32.3.1()2.3.2()2.3.3()2.42.4.12.4.220mm/(m)706mm/(m)2.4.3m3/hkPa/m3434~1101100.35~1.380.23~0.920.12~0.462.4.433.1(NPSH)3.1.1NPSHrNPSHaa)()()NPSH(NetPos。

2、itiveSuctionHead)()NPSHr(NPSHRequired)NPSHR()NPSHa(NPSHAvailable)NPSHAb)SLDI233A17-982(NPSHr)NPSHrNPSHrNPSHrNPSHr20NPSHrNPSHr3.1.2c)(NPSHa)NPSHad)NPSHaNPSHr0.3m()NPSHa1.3NPSHr3.1.2NPSHra)NPSHrNPSHrNPSHr(3.1-1)NPSHrnVSd=•()43(3.1-1)NPSHrmnr/minVdm3/minS(m3/min)(m)(r)1200(3.1-1)NPSHrnVd=ו•−7841054323.//(3.1-2)NPSHaS15001600NPSHrb)NPSHr1)20NPSHr(3.1-3)NPSHrNPSH=•ϕγωϕNPSHrw20(NPSHr)m2)ϕ1NPSHr3)()203.1-1NPSHrϕNPSHr100kPaϕ13.1.3NPSHa3.1.3.1NPSHa3.1-1NPSHrSLDI233A17-983NPSHa(3.1-4)NPSHaPPHPPKve=。

3、−±−[phone].().γγ∆∆(3.1-4)NPSHamP1kPaPvkPaH1H1+H1mP1()kPaPe1()kPaK3.1.3.2NPSHaNPSHa(3.1-5)NPSHaPPHPKPKHvacceacc=−±−•+−1112121981981.().γγ∆∆(3.1-5)H1acc(3.1-6)mKacc(3.1-4)()()a)1)()()3.1-13.1-1(Kacc)3221.51.321.51.31.31.32)()1.21.2b)1)(3.1-6)HLVRCDKaccdl111236=••••(3.1-6)H1accmL1mVdm3/hC(3.1-2)D1mmKl(3.1-3)H1()H1H2HgSLDI233A17-984Rmin-1R20min-1R350min-12)(3.1-7)HLVRCDKaccdl222236=••••(3.1-7)H2accmL2mD2mm(3.1-6)3.1-2(C)0.40.20.0660.20.1150.0660.0660.0660.050.040.040.040.028。

4、0.0280.040.04C3.1-3K12.52.01.51.43)()(3.1-6)(3.1-7)()(3.1-6)(3.1-7)10()3.1.3.3NPSHaa)1)2)3)4)0.6m5)0.6m0.23~0.46kPa/mb)c)L3.1-2d)e)NPSHaSLDI233A17-9853.1.4NPSHa3.1-3NPSHaNPSHa0.6~1.0mNPSHa3.1-4.3.1-4NPSHam17,9,132.124,6,7,9,10,11,12,132.135,7,8,9,130.341,2,5,9,130.6570kPa()5,7,9,130.669,130.679,130.6815.5~205CO29,132.19NPSHa9,130.6105,9,130.3~1.2113,9,130.61NPSHa234NPSHa50.3m60.23kPa/m3.1-2(0.15m∼0.3mSLDI233A17-9867T89101112133.23.2.1a)1)(3.2-1)PPHPKPHKnsacceacc=±•−•+−•111211981981.().γγ∆∆(3.2-1。

5、)PnskPaKacc3.1-1Kacc1;H1accmH1acc02)(3.2-2)PPHPKPKHdsacceacc=±•−•+−•1112121981981.().γγ∆∆(3.2-2)PdskPab)(3.2-3)PPHs.maxmaxmax.=+•1.1.981γ(3.2-3)Ps.maxkPaP1.maxkPaH1.maxmγ3.2.2a)1)(3.2-4)])[()(81.9)(212211212min.eeaccpPPKPPHHPPP∆+∆+∆+∆+−+−=∆γ•+•+KHHaccacc212981.()γ(3.2-4)Pp.minkPaH2mP2kPaP2()kPaPe2()kPaH2accm(3.1-7)H2acc0Pp.min()30kPa(P)SLDI233A17-9872)()25()70kPa(Cvc)()(Cv)CCVCV0.5~1()(3.2-5)(Cvc)()(Cv)Cvc()=10Vdvγ∆Pn(3.2-5)Cvc()Pn70kPaVdvm3/h(3.2-6)∆PVCvdvv.min()=1002γ(3.2-6)Pv。

6、.minkPaCv()∆∆PPPPHHpv.min.min().()=+−+−+2121981γ[()].()∆∆∆∆PPKPPKHHacceeaccacc12212212981+•+++×+γ(3.2-7)Pp.min()30kPa(3.2-10)(3.2-11)(P)∆∆∆∆∆PPKPPKPvvacce=+−+++.min()[()]2122219811112.(/)()().minγ×−++−KHHPPaccaccp∆∆(3.2-8)PvkPaPkPaPPp.minkPa(Cvc)()(3.2-9)Cvc()=10Vnvγ∆Pv(3.2-9)Cvc()Vnvm3/h()SLDI233A17-988vCCvc=0.5∼1(3.2-10)25.0222∆+•∆∆eaccvPKPP(3.2-11)b)()HP=∆981.γ(3.2-12)H()mc)Pnd=Pns+P(3.2-13)PndkPaPdd=Pds+P(3.2-14)PddkPa3.33.3.1()PIAPs.max20(3.3-1)Pc.max=Ps.max+1.2P(3.3-1)Pc.maxkPa3。

7、.3.2()()3.43.4.1()10m20(3.4-1)γ1)]24.081.9()1081.9([v•−−−+=PPHHasws(3.4-1)(3.4-2)NPSHrguPPHas−+−=281.92vγ(3.4-2)HsmHsw()mPakPa()SLDI233A17-989γum/sg9.81m/s210m0.2420m3.4.2a)(3.4-3)NPSHrHKPKPPPHacceaccg−•−∆+•∆−−=12121v181.981.9)(81.9γγγ(3.4-3)Hgm(3.4-3)(3.4-4)[]HHugPKPKHgsacceacc=−+•++•2121212981().∆∆γ(3.4-4)b)NPSHaNPSHaNPSHrNPSHr(3.4-3)HgHNPSHaHHgHHg(NPSHrHg)44.14.1.1a)b)c)d)e)4.1.2(SLDI233A0296)4.2NPSHa7.17.14.34.3.132.6m3/h37.49m3/h1.15500.990.8mPas59.8kPa(50)101kPa588.4kPa20kPa50kPa4。

8、.3-1SLDI233A17-9810a)(SLDI233A1398)1()32.6m3/hDN1502.06mm/mDN1255.23mm/mDN150L=15mDN125L=3mDN150Le=10mDN125Le=31mDN125L=2mDN150L=34mDN150Le=134mDN125Le=76mP1=(15+10)2.06+(3+31)5.23=229.32mm=2.23kPaP2=(2+76)5.23+(34+134)2.06=754.02mm=7.32kPaPe1=0Pe2=20+50=70kPab)NPSHaγγ81.9)(81.921e11v1KPPHPPNPSHa∆+∆−+−==−×+−−+××101598981099080302231159810992...(..)(.)...=4.44mNPSHa0.6mNPSHa4.44-0.6=3.84mc)PPHPPKnseacc=+•−+•11112981.()γ∆∆=101+9.810.50.99-(0+2.2312)=103.63kPa221e111)(81.9KKPPHPPaccds•∆+∆−•+=γ=1019。

9、.810.50.99-(0+2.2312)1.152=102.91kPaγ•+=1.max1.maxs.max81.9HPP=101+9.81(105.8-100.3)0.99=154.42kPad)EL27.10EL5.8EL0.80EL0.304.3-1SLDI233A17-9811Cvc()=10Vdvγ∆Pn=103749099704458×=...DN65Cv=502vdvv.min)(100CVPγ=∆=×1000993749502.(.)=55.66kPa∆∆∆∆∆∆PPPPHHPPKPPKpvaccee.min.min().()[()]=+−+−++++2121122122981γ=55.66+(588.4-101)+9.81(26.8-0.5)0.99+[(2.23+7.32)12+0+70]1.152=903.69kPaP=930kPa]))[(1()(e2e12acc212p.minv.minvPPKPPKPPPP∆+∆+×∆+∆−+∆−∆+∆=∆=55.66+(930-903.69)+(1.152-1)[(2.23+7.32)12+0+70]=107.63kPa。

10、Cvc()=10VnvvP∆γ=1032.609910763./.=31.27Cvc()/Cv=31.27/50=0.6250.539.170132.763.1072e22acc2=+×=∆+•∆∆PKPPv0.25P()HPm==×=∆9819309810999576....γPnd=Pns+P=103.63+930=1033.63kPaPdd=Pds+P=102.91+930=1032.91kPaPc.max=Ps.max+1.2P=154.42+1.2930=1270.42kPae)7.27.24.3.233000kPa1.5m3/h1.65m3/h1.102.33kPa1.031.45mPas101kPa4.3-22DB3/37SLDI233A17-9812FO301JO302EO301a)(SLDI233A1398)1()1.50m3/hDN3219.79mm/mL1=11.5mLe=27.29mL2=32.52mLe=51.11mP1=(11.5+27.29)19.79=767.65mm=7.76kPaP2=(32.5+51.11)19.79=1654.64mm=16.72。