填料萃取塔的操作性能及设计计算

3111Vol.31,No.11200211LiaoningChemicalIndustryNovember,2002(,163714):,:;;;;:TQ053.5:A:10040935(2002)110494031,,,,,,22.1,,,,,,,,,2050,Gayler[5],VdVc()x[(Vd+Vcx(1-x)],x(1-x),,1eGagler:Vdex+Vce(1-x)=Vo(1-x)(1)Vo:,,Vo:Vo=f(,c,,,dT)(2)1V0Gagler[5]Vo:2002205218:(1974-),,[V0c]=C[3c4g]-0.3[c]0.6[ae(g)12]-0.65[1dT(g)12]0.26(3)C,C,C=4.9,C=6.0[5]:[VdVc+x1-x][Vc2age3c]12=C1x(1-x)(4)C1,,C1=0.683,C1,De2galeeson[7](cd),C10.637,(dc),C1=0.82(cd),,(dc),,,,Marangon2.2,,,Laddha[3],Laddha:[1+0.835(VdfVcf)12(dc)14][Vcf2acge3]14=C2[aecVcf2]n(5)1C2n1(5)C2nC20.8940.8820.8530.839n-0.078-0.052-0.046-0.029,VoVo,:Vdf=2V0(1-xf)xf2(6)Vdf=V0(1-xf)2(1-2xf)(7)xf=21+1+8LR(8):xf-d;LR-(Vd/Vc)33.1,,:Z=z0dZ=VcK0cax1x2dxx-x3=VdK0daY2Y1dYY3-Y(9)(9)Z,,,:Z=(HTU)oc(NTU)oc=(HTU)od(NTU)od(10):(HTU)oc=VcKoca(11)(HTU)oc=VdKoda(12):(NTU)oc=X1X2dXX-X3(13)(NTU)od=Y1Y2dYY-Y3(14),:(NTU)oc=X1-X2(X)1m(15)(NTU)od=Y2-Y1(Y)1m(16)(X)1m(Y)1m-,,[3],Koda:Koda=0.06x(1-x)[ace3g]12[g]12[(Sc)d12+1m(Sc)c12(17)Koca:Koca=0.06x(1-x)[ace3g]12[g]12[(Sc)c12+1m(Sc)d12(18)Sc,:5943111:Sc=(D)(19)3.2,;;,,,,,EcEd[6],,:(Pe)d=dpVdEd=0.35(20),22[4]:(Pe)c=dpVceEc(21):[cdPVcc]12[VdVc],=0.65(20)3EdEc,Z:(Pe)d=ZVdEd=Z(Pe)ddP(22)(Pe)c=ZVcEc=Z(Pe)cdPe(23),Sleieher[5]ZpZa:ZpZa=(Pe)c(Pe)d(Pe)c(Pe)d+[Za(HTU)oc](24):=a1(Pe)c+b(Pe)d+C3[(Pe)c(Pe)d]12-d[(Pe)c+(Pe)d]12+g1[(Pe)c-(Pe)d]e[-KZa(HTU)oc](25),a1bC3dg1[5]4,,,,1Cavers,S.Chapter10inHandbookofSolventExtractioneds.Baird,M.Lo,t.,andHanson,C.,Pub.wilcy2Eckert,J.S.,HydrocarbonProcessing,117-124,19863Gayler,R.,N.W.RobertsandH.R.C.Pratt.,Trans.Ins.Chem.Engrs.31,574Veermeulen,T.,etalChemicalEngineeringProg.62,95,19855Sleicher,C.A.,A.I,ChemicalEngineeringJournal5,145,1982OperatingPerformanceandDesignCalculationofPackedExtractionTowerLIUQing2xinAbstract:Twophaseflow,masstransferperformanceanddesigncalculationofpackedextractiontowerwereintroducedinthispaper.Itwasveryimportanttodesignandoperationofpackedtower.Keywords:Packedtower;Masstransfer;Twophaseflow;Operatingperformance;Designcalculation694200211