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Overhead Corrosion Analysis of Heat Exchanger


gersinShanxiCokingGroupCompanywithinashortperiodoftimeindicatesthatthe316LstainlesssteelheatexchangersalesubjecttotheriskofseverestresscorrosionwhentheyaleoperatingintheservicewhereC1ispresent. Thestresscorrosionismoresignificantifthereareengineefingandfabricationdefects. Improvementofprocessconditions,[link widoczny dla zalogowanych], preventionoflo-caloverheatingandbuild-upofC1 a andselectionofduplexsteelCansolvetheproblem. Keywordsheatexchanger, austeniticstainlesssteel,[link widoczny dla zalogowanych], failureanalysis,[link widoczny dla zalogowanych], stresscorrosion, pittingcorrosion quantity + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St + - + - St + - St + - St + - St + - + - St + - St + - St + - St + - + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St + - St Ten - + - St + - St + - St (on the next page 32) AnalysisofCorrosionofOverheadHeatExchangerofAlmosphericDistillationUnitHungZiyou. YuXiaopengoyangPetrochemicalComplex / SINOPEC (oyang, Henan471012) AbstractThe316LausteniticsteeltubebundleoftheoverheadheatexchangerHIO01ofatmosphericdistillationunitinLuoyangPetrochem-icalComplexhadtoberepIacedafteranoperatingcirclebecauseofseverecorrosionl 【kage. Theanalysisconcludesthattheleakiscausedbytheelectro-chemicalcorrosionbyH2S-HC1 a H2Oenvironnrent,[link widoczny dla zalogowanych], erosionandthestresscorrosioncrackingbypolythionicaciddurhrgtheturnaround. TheservicelifeoftheheatexchangerCanbeextendedbyadoptionofprocesscorrosionpreventionmeasuresof''onerernov ', dandtwoinjections \ More articles related to topics：


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