浮阀塔板的设计及流体力学计算探讨

Pharmaceutical&EngineeringDesign2007,28(1)DiscussionofFloatingValveTrayDesignandHydromechanicsCalculationQiFulai(SINOPECShanghaiEngineeringCo.,LtdShanghai,200120)AbstractKeywords:Inthisarticle,severalprocessparametersforcalculatingfloatingvalvetraywereintroducedindetail.Atsametimes,thecomparisonofdifferentequationswascarriedoutandcomparativelypropermethodswererecommended.ThemethodbyFairwasusedincalculatingthediameteroftowerwhenthefactoroffoamwasconsidered,andthemethodbyKleinusedincalculatingthepressuredropoffloatingvalvetray.Thelayoutoffloatingvalvewasalsointroducedinthisarticletobereferencedbyotherdesigners.:floatingvalvetowertowerdesignengineeringcalculationTQ051.1A1008-455(2007)01-0005-0171(Turndown)4~511AABAB101[1][3~5][5][6]Fva2006-08-10(1939-)Tel:[phone]Email:[e-mail]1Pharmaceutical&EngineeringDesign2007,28(1)230~610mm=0.1164+0.8433e4H+0.3897e7()(1.2)=1.017+0.2756e20.9041e6()(1.3)(1)pp2168=6.23;=2779.2;=940;2.8;=300;=32;(1.2~1.4)=0.1781;b=1.771;c=0.049;(1.1)=0.1781exp(1.7710.041)+0.049=0.215=0.11m/s=(0.76/0.785)=0.98m[9][2]15%0.10.11=exp()+m/s(1.1)HHH=0.053080.8319e4H+0.2292e6(H)(1.4)(1.1)=H=0.34=0.006982%=0.821.317=1.08m/s=2779.2/3600/1.08=0.715m=0.06=/0.94=0.715/0.94=0.76mKister&HassAAACabFcCCACUAAAAADhafSBLVSBNVLVSBNNdTTNTABLVaCA2TTTT2TT2T220.5LSBf3.1.1.2[10]233.13.1.13.1.1.1,V-1F-1(JB1118-1981)1.5mm24~25g2mm32~33g2mm,3mm,4mm,39mm65mm80mm100mm75mm1Cr13,0Cr18Ni9,0Cr17Ni12Mo22.5mm,8.5mm--F-1,80~90%FairFair2[5][2][7][8]CFCSBLVSBUCNfSB=0.30480.2()20LVV1FLVLV=LVAh/AaCSB0.11.00.080.90.060.8FLVLV=LV6.232779.2=9402.8=0.041UNf=0.30480.2150.220329402.82.8=1.317Pharmaceutical&EngineeringDesign2007,28(1)(2.1~2.5)=0.08~0.148~18[m/(mh)]272(2.2)25~33mm(0.1~0.2,0.15(2)(1)=2779.2/3600/(1.270.82)=0.74m=0.06=0.74/0.94=0.79m=(0.79/0.785)=1.003mAAQhhhnUAAAffLctHOctHOctHONfNdTTQACnADLfSBT32)()()=25=0.15(2.2)(2.1)(1)(2)=0.0694=1.27m/s22220.5=0.1=8=0.01447/0.1=0.1447(2.5)(3)(4)%=80~90%(4.1~4.10)(4.1~4.10)inlb/ft=0.17(lb/ft)hAQAAAHctfLaTaTvNFLOODFLOODAFLOOD%CF3.1.1.3ErwinCFErwinErwin[11]3[2,5]Tv3UNf=LVCSBVm/s(2)CSB=0.0277(2.1)d2HL0.125VL0.1HhTct0.5h=hctct()H2O1000L0.5(1)nmm(2.2)d=H=15.92dhvvd+hvvmm(2.3)N=e-dA=/A0.913/0.01447Hff(2.4)()=hctHO20.5AdfH-0.7910.8331+0.013QLf-0.59-1.79Amm(2.5)Af=ANASOB=0.1042eNAB(2.6)h=ct2510009400.50.85=25.6CSB=0.027715.93294020.1252.89400.130025.60.5=0.06949402.82.8()hctHO2=0.50.115.90.7910.8331+0.01380.10.59-1.79=25.06mmVLLOADFPL+(L/8.7)1097.3aACFSF100FLOOD%=(3)VLOADACFSFT850100FLOOD%=(4)H0.65T12CF=(4.1)0.1667vv=0.37vvvvvvvv=2.32.3=0.119=3.13.1=0.17=5.35.3Ht48inHt24inHt12inCF48=0.7923+log()CF48=0.541exp(0.3832e2)CF48=0.711850.27787log()CF24=0.65259()CF24=0.46157exp(0.035858)CF24=0.711850.27787log()CF12=0.41925()CF12=0.31643exp(0.025506)CF12=0.711850.27787log()vvvvvvvvv0.165960.16622(4.2)(4.3)(4.4)(4.5)(4.6)(4.7)(4.8)(4.9)(4.10)Pharmaceutical&EngineeringDesign2007,28(1)CFCFFORTRANSUBROUTINECFF(CFO,RUV,TS)CFO-------CF;DIMENSIONCF(3)RUV-----;IF(RUV.LE.0.17)THENTS-------HT;CF(1)=0.41925*RUV**0.16622GOTO5ELSEIF(RUV.LE.5.3)THENCF(1)=0.312643*EXP(0.025506*RUV)GOTO5ELSECF(1)=0.711850.27787*ALOG10(RUV)ENDIF5IF(RUV.LE.0.119)THENCF(2)=0.65259*RUV**0.16596GOTO10ELSEIF(RUV.LE.3.1)THENCF(2)=0.46157*EXP(0.035858*RUV)CF(2)=0.711850.27787*ALOG10(RUV)SF2VGOTO10ELSEENDIF10IF(RUV.LE.0.023)THENCF(3)=0.7923+ALOG10(RUV)GOTO20ELSEIF(RUV.LE.2.3)THENCF(3)=0.541*EXP(0.06138*RUV)GOTO20ELSECF(1)=0.711850.27787*ALOG10(RUV)ENDIF20CFO=CF(1)*(TS12.0)*(TS-24.0)/432.0+CF(2)*(TS12)*(TS48.0)/(288.0)+CF(3)*(TS12.0)*(TS48.0)/288.0RETURNEND(3)(1)=2.80.06243=0.175lb/ftCF=0.3113(4)FLOOD%=82=151.9/(0.31138501.00.82)=0.7m10)m(3)FairKisterErwinErwinSmithFairKister&HassFair=2779.2[2.8/(9402.8)]=151.9m/hSF=1.0CF=300/25.412in=(0.7/0.785)=0.944m=0.06=0.70.88=0.62m(=[0.02695+1.4450.061.470.06]0.944=0.102=2H=0.94420.102=0.74m(3)(4)(4)82(3)71.973VHADAAALHHLDLOADTVTTTdTaFPLSDSDFPLTSD0.53320.522A3.1.1.4[2,3,5][12]1.00.9()0.85()0.73()0.6()0.3FLOOD%=100=71.97151.9+(6.230.74/8.7)1097.30.620.31131.0/(m)(m/s)Pharmaceutical&EngineeringDesign2007,28(1)Kister=1.1m(5)5)ErwenN=125~145(5.1)=8~11(4)=1.1m;,65mm(5)=(1.1)/(1.950.0065)=95.4696=2779.22.8/(4.396)=11.26[1/s(kg/m)]DKANFDNF3.1.2CaoO3(5)KC[2]20.5(=1.10.785(120.06)=0.836(5.1)=(125~145)0.836=104.5~121.2(6)=10[11]20.5FFANFOOaONAAAAALVFVSFSFHSFFALHAAA=2779.22.8/(4.310)=108.15=max{,min[2,0.11]}(7)=0.41/=max{250,10.24()0.334()}=(3~7)/(1.8)m(8)/6~14%0.52[2]1.2mErwin1.1m1203~5s4Glitsh(7.1)(7.2)Glitsh0.820.77(7)43.1.33.1.3.13.1.3.24[13][6]dddaddfdTfdTdTdLVLVN=1.95KCD2T(5)[]mmKC650.0065800.0081000.0095FO=V0.785Nd2v3600v=VN4.3v[m/s(kg/m)]30.5(6)3457=3.6s(9)AHdTLPharmaceutical&EngineeringDesign2007,28(1)(2)()50~100mm25~75mm25mm100mm50mm(3)50~75mm5mmmm(12)(12)2=1.0,Bolles(13)FORTRANA=(WL/DT)**2FO=1.010SS=(1.0A/FO**3)**0.5IF(F1.LT.0.0)THENHhSDowLhhhhFQFFFwwowowowWL[14][14]=2.83SP=(1.0A)**0.5ALGPML;ST=(ALGPM/WL**2.5)**0.66667*A**0.5F1=FO(61.73*(SSSP)ST*FO)/(92.6*A/SS/FO**4ST)2/3WLLW;DTDT;FOFOGPMF1=1.0GOTO20ENDIFIF(ABS(F1FO)..LT..0.00001)GOTO20FO=F1GOTO10F=FO=F1=10.6()(16)0.8(17)+-20CONTIN