化工装置管道安装中应注意的几个问题

:2006-07-27:,,1997,,崔金玲王艳曾香梅(,250240)::;;;;;:TQ0558:A:1003-6490(2006)04-0035-030引言,,,:1)2),,,,,,,:1材料的进场和检验,,,,,,,,,,,,324200612化工设计通讯ChemicalEngineeringDesignCommunicationsVol32No4December20062施工过程的监控,20#10#16Mn304321,PVCPPABS,,,,,,36mm,;,,36mm,,,21,,,,120#E-4303(J422)HO8MnA16MnE-5015(J507)HO8MnA1Cr18Ni9TiA-132HOCr21Ni10TiQ235-AE-4303HO8MnA22,,,,VUVU,V,,;;,23,,,,,,,2mm,,X,,24,ABC,,,,(),,,HG20237()36化工设计通讯32,(),25,,,,,,3结语,,,,,(上接第27页),,,2),(1000~2000),,;SHELL,,,,,3),,,[][1][J],2005,(4)[2][J],2004,(6):15[3][J],2003,(3)20071983CA,AJ,CSA16,CN61-1138/TQ,ISSN1009-0045;:54-102;:6201004000005;,10;10::::0931-7983185E-mail:hcxf@chinajournalnetcn:0931-7981693E-mail:shjs@0931mailcom:0931-7314247:0931-7314247:1:730060:374,,:troduceequipmentplanandpipingplanofthetechniqueineng-ineeringdesignTotableaproposalaboutimproveonsuggestionKeywords:ashagglomerationtechnique,pipingplan,sim-pledepictionTechnicalTransformationonPrimaryBrinePurificationProcessQIMing-rui(HunanChemical&PharmaceuticalEngineeringDesignInstitutr,Changsha410007,China)Abstract:Thisarticleintroducesthetechnicaltransformationonprimarybrinepurificationprocessin60kt/asodiumhydrox-ideprojectbyion-exchangemembraneprocessforHengyang(Jiantao)ChemicalCo,LtdItdescribesthemainequip-mentandpointsforattentionbrieflyKeywords:ion-exchangemembrane,sodiumhydroxide,primarybrine,brinepurification,membraneprocess,transformationDesignofCollocationPointandNumberforFireExtinguisherLIDa-zhi(ShijiazhuangJinshiFertilizerCo,Ltd,Shijiazhuang,Henam050041,China)Abstract:Thisarticleintroducesthedesignprinciple,pro-cessandmethodforcollocationpointandnumberinfiredan-gerousareaKeywords:dangerousavea,fireextinguisher,collocation,designPointsforAttentionDuringPipeInstallationinChemicalPlantCUIJin-ling1,WANGYan1,ZENGXiang-mei1(ShandongZhongfuChemicalScientificCo.,Ltd,Jinan250240,China)Abstract:Thisarticaldescribesseveralpointsforattentionduringpipeinstallationinchemicalplantasviewedfrommate-ria-lin,inspection,pipeweldingandweldingjointinspectionKeywords:pipe,installation,weld,weldingjointJudgementofLeakagePositioninOilTransferLineByNegative-pressureWavePrincipleZHOUXiao-hua(HunanBranchofSouthChinaLantianAviationOilCo,Ltd,ChangSha,Hunan410041,China)Abstract:Thisarticleintroducesthebasicmethodforjudg-ingtheleakagepositioninoiltransferlinebynegative-pressurewaveprincipleItisworthpromotionforlong-distanceoiltransferandotherliquidtransferKeywords:negative-pressurewave,oiltransferline,leakageTheInterfaceofRectisolProcessSimulatorPerfectingandApplicationGUANFeng-bao,ZHANGShu-wei,GUANWei(DepartmentofChemicalEngineering,DalianUniversityofTechnology,Dalian,Liaoning116012,China)Abstract:AnovelinterfaceofRPShasbeendesignedwithVisualFORTRANlanguageButinpracticalapplication,therearesomeshortcomingsintheinterfaceandneedtobeperfectedThroughtheperfection,theRPSinterfaceissim-pletostudyanduse,sel-fcontainedinfunction,andsteady-goingItiscompletelyadaptabletotheworkofRectisolpro-cesssimulationandcalculationKeywords:RectisolProcessSimulator,Design,Perfect,ProcessSimulationCurrentSituationandDevelopmentofNano-ZnOWEIShao-dong(EastChinaEngineeringScienceandTechnologyCo,Ltd,Hefei230024,China)Abstract:Thispaperintroducestheresearchdevelopmentsonmanufacturetechnologicalofnano-ZnOworld-wideItalsodescribesthemanufactureprocessandcharacteristicsofmajortechnologiesaswellasthecurrentsituationofproductionofnano-ZnObothathomeandabroadThroughthecomparisonofproductionprospectsofmajormanufacturetechnologies,itpresentsthetechnologicalrouteofthemanufactureofnano-ZnObyhomogeneousprecipitationmethodwithureaastheprecipitatorandzincnitrateaszinkyrawmaterialItstudiestherelativeprocesses,reactioncondition,washingofreactantandcalcinationofnano-ZnOanddiscussestheexistentprob-lemsandfutureresearchdirectionKeywords:nano-ZnO,manufacturetechnology,currentsitu-ationofproduction,commercialproductionTheProbingofPowerOutputofNitricAcidTailGasTurbineExpanderZENGXiang-gen(NitricAcidSectionofNanjingChemicalIndustrialCOLTD,Nanjing210035,China)Abstract:Combinedwiththetechnicalfeatureofnitricacidtailgasexpanderindua-lpressurenitricacidpalnt,themainfactorofpoweroutputofnitricacidtailgasexpanderisana-lized,andthemainmeasuresareputforwardtoimprovethepoweroutputKeywords:nitricacidtailgas,turbineexpander,opera-tion,powerProductionTechnologyandApplicationofChlorotolueneSHIShao-jun,WUWei(HunanChemicalEngineeringVocationalCollege,Zhuzhoucity,Hunan412004,China)Abstract:ThisarticleintroducestheproductionsituationandapplicationofchlorotolueneathomeandabroadItemphat-icallyintroducesthesynthesismethodofchlorotulueneandtheseparationtechnologyofmixedchlorotolueneItalsoanalyzesthepresentsituationandputsforwardsomesuggestionsKeywords:chlorotoluene,productiontechnology,application