在化工设备设计中对防腐蚀的考虑

19993630(,110003)(,110003),,,,,,,1(1)U,(),,,,U,,,,,,(2),,,0.605MPa,200,Q235-C,10mm,,,,,1,,1,,,0.40.9mm,,,(),23142.1,,,,,,,,,,23,,15,,8,115116,,,,,2.2,,,,,,,,,JB/T6917-93,,,,,,2.3NaOH,NaOH,,,,,NaOH,3,,,,(),()19993632SW6-1998(v1.25)GB150GB12337JB4710HG20582SW6-1998(v1.25),,D001-1999()5SW6-1998SW6-19985,,,,,(),NaOH,(),NaOH,,,4PROCESSEQUPMENTDESIGNVol.35No.4August1998(TotalNo.187)shouldbeselectedandstructuredesignandstrengthcal2culationofthepressuredelementsshouldbecarriedout.Finally,theappropriatemanufactureandinspectionmethods,thesafetyoperationandadministrationarenec2essary.Keywords:designparameter,materialselection,structuredesign,strengthcalculation,manufactureandinspection,operationadministration.OptimalDesignforStiffenersUsedinSteelVesselsSubjectedtoExternalPressureXingXiaolinSiChunLuZhouChemicalTechnologySchoolLuZhou,646005Abstract:Onthebasisofthetheoryoftheoptimaldesign,takingintoaccountthecharacteristicsofthestiffenersusedinthevesselssubjectedtoexternalpres2sure,oneoptimalmethodforcalculatingtheminimumweightofthestiffenerswaspresentedinthispaper.Theprocedureofthemethodincludesselectionofthedesignvariablesandpropertiesneededtobeoptimized,deter2miningtheconstraints,buildingthefunctionsbetweendesignvariablesandobjectivesandselectionoftheap2propriatealgorithm.Keywords:objectivefunction,constraintcondition,minimumweight,stiffener,penaltyfunction.AnticorrosioninProcessEquipmentDesignWangFeiLiaoNingPetrochemicalPlanningandDesignInstituteShenYang,110003LinYingShenYangPassTitaniumEquipmentCo.ShenYang,110003Abstract:Inthisarticle,someproblemsaboutanti2corrosionstructures,parametersandmethodsinvolvedinthedesignofprocessequipmentwerepointedanddis2cussed.Keywords:processequipmentdesign,anticorro2sion,safetyAnalysisandComparisonofGeneralStandardsforChemicalandPetrochemicalCentrifugalPumpsChenWeiNationalTechnologyCenterofProcessEquipmentDesignShanghai,200040LuYuntaoShanghaiCASBYPumpCo.LtdShanghai,200240Abstract:SomeindicationsandcomparisonswerecarriedoutforthestandardsAPI610,ISO5199andANSIB73.1M/B73.2M.Theprinciplesofselectingthesestandardsintheengineeringpracticewereproposed.Keywords:petroleum,chemicalindustry,centrifu2galpump,standards,selection.ApplicationofMixerswithMulti-directionMovementYuJianyongShanDongDesignInstituteofPhamaceuticalIndustryJiNan,250013Abstract:Thestructureandapplicationofthemix2erswithmulti-directionmovementwereintroducedinthisarticle.Keywords:multi-directionmovement,mixer,ho2mogeneityofcontent,effectofmixing.DiscussionofMaximumBaffleSpacinginHeatExchangersWangLanshengJianShuShuangLiangBoilerCo.LtdJianYin,214444Abstract:WiththeexampleofthedesignofoneDN400water-waterheatexchanger,itcanbeconcludedthatthestipulationinGB151-89SteelTabularHeatExchangerthatthemaximumbafflespacingshallnotbegreaterthanthediameterofthecylindershellisnotap2propriate.Thisprovisionisunfavorabletodecreasethepressuredropoftheliquidatshellside.Themodifica2tion,then,wasproposed.Keywords:baffle,maximumspacing,pressuredrop.