陈允中 汪霞倩中国石化咨询公司 北京 100088 中国石化出版社 北京 100011 介绍了搅拌设备的类型、特性及其应用条件和不同搅拌设备的设计及其有关参数的计算。 搅拌设备 类型 设计计算,5%25%,5%10%,,,,,,,,,1,,,;,,,2P,SQPSQ,(),,,,2.1a.1(a),3,,515m/s,(),,,--,0.10.3,,23Pas200400r/min,,,,,1(b),,,1(c,d),(:1996-10-09),1997,18(6)13Petro-ChemicalEquipmentTechnology(0.11.5kW),,1b.,,,35%40%,2,34,,,,(),,,,,50Pas,,35,2,-,-,/0.350.5;,0.650.920100r/min2()c.46,:,,;,,,,3(a,b),3(c,d),,3(e,f),,,,,,,,()-;-;-,,,,,--,,,/0.250.5,50300r/min,14199730Pas3d.()(4),,,75%,,,,,,,,,,,,,,,,,5003000r/min,1530m/s,/0.250.35,,0.54,-;-,,(),e.5,,,,,,,,,,,,,,5(d),,2/3,,,,,,,0.70.9;,0.80.951050r/min,200300Pasf.,,15186.5%15%,10%12,2,6(a),1,3,,,6(b)1801,12,0.9,,,56,,,2.2,,a.,,,,,b.,10.2,,1,1,,,23,,c.-,10.2,1,åä2,çæ,-,2.3,,,,,,,n=nVrk:n;n;161997Vr,,Vr=(D/D)3=Dr3k,k,1k1kVrk1Vr-2/3n=nVr-2/3Re2Vr-1/3n=nVr-1/33Vr-(0.250.28)n=nVr-(0.250.28)4Vr-2/9n=nVr-2/9-5Vr-1/6n=nVr-1/66Vr0n=nVr0=n,,,,p/V,(),,,,2.4,,:P=0.0098(Np)Q(n/60)3D5i/gckW:Np,;n,r/min;Di,m;Q,kg/m3;gc,kgm/kgs2Np,ReNp,79,7-pReRe:Re=D2inQ/(60L)L,PasQL17186.8-pReA,BQA,QB,LA,LB,xA,xB,Q=QAxA+QBxBL=LAxALBxBRe10,;10Re104,,,;Re104,,9-pRe78NpRe,,Re104,Np9Re300Np:Np=A(Re)+B(103+1.2(Re)0.66)(103+3.2(Re)0.66)P(H/Dt)(0.35+b/Dt)(sinH)1.2:A=14+(b/Dt)670(Di/Dt-0.6)2+185B=101.3-4(b/Dt-0.5)2-1.14(Di/Dt)p=1.1+4(b/Dt)-2.5(Di/Dt-0.5)2-7(b/Dt)4Re:Re=D2i(n/60)Q/L:H=90(Re)c,(Re)c=[25/(b/Dt)](Di/Dt-0.4)2+(b/Dt)/[0.11(b/Dt)-0.0048]H90,ReRe=(Re)c104(1-sinH):b,b=()/2,m;Dt,m;H,m2.5,,,(,181997),,60%70%10%20%20%Pe=P/G:Pe;G,0.60.72.6()(10001800r/min),,,,,2,,,102;,;;;;;,;;;;;;111011:0,1411,,1,2,N3,P3,N3,,,4N4,P4,N42.7(),,,,,,,319186.3();;;,;;;;,,;;;,V0.1MPa0.1MPa:2001MPa2003MPa50010MPa13.326.6kPa2.8,,,,,,,,:S=Te/ZZ=Pd3/16Te=[(ktTq)2+(kmM)2]0.5Tq=9549333Pm/nM=2(FiLi):S,MPa;Z,mm3;Te,Nmm;d,mm;Tq,Nmm;M,Nmm;kt,km,4;Pm,kW;n,r/min;Fi,N;Li,mm4ktkm1.01.51.01.51.52.01.53.02.03.0F1::F1=[T/(Di/2)]0.25:F1=[2TDi14/2(Di15+Di25)]0.7F2=[2TDi24/2(Di15+Di25)]0.3:F1=[3TDi14/2(Di15+Di25+Di35)]0.6F2=[3TDi24/2(Di15+Di25+Di35)]0.25F3=[3TDi34/2(Di15+Di25+Di35)]0.15:Di1,Di2,Di3,mm,[S]Rb[S]=Rb0.18MPa,0.75,:d={16[(ktTq)2+(kmM)2]0.5/P[S]}ä,,,,100150r/min,,,:NC=(60/2P)[3EIg/L3(We+0.236Ws)]0.5[L/(L+A)]0.5201997:I=Pd4/64We=2(WiL3i)/L3:NC,r/min;E,kg/mm2;I,mm4;L,mm;A,mm;Li,mm;We,kg;Ws,kg;Wi,kg(0.751.2)Nc2.9,GB150-89,,,,,120,,()1.25,(H/Dt)0.81.2,28,1/81/12,,,,,:a.V=PD3(L/4D+0.063)A=PD2(L/D+0.63)he=0.194D:V,()1.25,m3;A,m2;he,mLDL/D=1VD,:Di=D=Lb.V=PD3(L/4D+1/12)A=PD2(L/D+0.69)he=D/4DtLc.GB150-891[]R.H.Perry:PerrysChemicalEngineersHand-book,Sixthedition,McGraw-Hill,19842.[].:,19863[]..,19914[].N.,19925[]..:,198121186.THEORETICALANALYSISANDRESEARCHONRE-FRIGERATIONSYSTEMUSEDVORTEXMACHINERANKINE-RANKINECYCLEHuangYundong.ChemicalindustryinstituteofXianuniversityofcommnication,P.C710049WangCunzhi.BeijingdesigninstituteofSINOPEC,P.C100011AbstractThebasisandconstructionfeatureofrefrigerationsys-temusedvortexmachineRankine-Rankinecycleareanalyzed.Takeovertrunmomentasastartingpointinconsideration,itispointedoutthattheheightofvortexloopofvortexcompressorshouldbematchedwiththeheightofvortexloopofvortexexpander.Aprimarydiscussionontheselectionofsystemworkingmediumiscarriedout.Atfinality,theexistentproblemsforpracticityofthatsystemareputforward.KeywordsVortexmachine,Rankine-Rankinecycle,WorkingmediumENGINEERINGCALCULATIONOFHORSEPOWEROFMAINSHAFTFORMASSTRANSFERCENTRIFUGALDURINGOPERATIONShenHao,ShiNangeng.Nanjinguniversityofchemicalindustryme-chanicalengineeringdepartment,P.C210009AbstractOnthebasisofdiscussiononliquidflowanddistributionregularpatterninrotatingpackinglayer,calculatingmethodsoffourpartshorsepowerarefound.Thecalculationstepsareillustratedwithexamples.Andobtainedatestingverification.KeywordsMasstransfercentrifugal,Rotatingpackinglayer,ShafthorsepowerMANUFACTUREANDIMPROVEMENTOFOUTLETCHECKVALVEFORHYDROGENCOMPRESSORZhongXudong.JingZhouCorporationDesignInstituteofSINOPEC,P.C121001AbstractThefailurereasonofoutletcheckvalveofhydrogencompressorafteroneoperatingperiodisanalyzed.Somemeasures,suchasestablishinganadditionalguidebarrel,tapperpipesegment,areadoptedtoimproveonthecheckvalveconstructionlocally.Thestressanalysisandconstructivecalculationoffloatingballarecarriedout.Thenthesatisfactoryresultisobtainedandthesurvicelifeofcheckvalveisprolonged.KeywordsCheckvalve,Valveseat,Floatingball,VentilationpipeDESIGNANDCALCULATIONOFAGITATINGEQUIP-MENTChenYunzhong,WangXiaqian.ChinaPetrochemicalConsulativeCorporation,PC100088WangXiaqian.ChinaPetrochemicalpublishinghouse,Beijing,PC100011AbstractThePerformance,characterissstic,operatingconditionandcalculationofrelevantdesignparameterfordifferenttypeofagi-tatorarerecommended.KeywordsAgitator,Performance,CalculationAPPLICATIONOFWELDEDMETALBELLOWME-CHANICALSEALUNDERTHREESPECIALWORKINGCONDITIONSWangGuangjun.Shijiazhangchemicalfibralimitedco.ofSINOPEC,P.C050032AbstractApplicationsofweldedmetalbellowmechanicalsealatthreeconditionsofhightemperaturewater,hightemperatureoilandliquidammoniaarerecommeded.Thedesign,typeselection,usualex-istentproblemsandhandlingofitarediscussed.KeywordsWeldedmetalbellowmechanicseal,Special