油罐涂层防护的几点思考

:2002-04-28;:2002-12-08:,,1970,1993,2001,12(1.,215331;2.,100083):,,,,,::TE9857:B:1007-015X(2003)02-0039-0320019,,GB13348GB15599,,,11.1(EPA),198819906000,53,20,,198919943.6%20011253000m3,,()BS2645API650(),,(),,2m1.2,,GB13348GB1559922.1,-,,,Sa2.5,20Corrosion&ProtectioninPetrochemicalIndustry2003,20(2)39A,,,A,,SIGMACONDUCTIVE,,,,,(),,,202.2,,,,,,,/SIGMACOVERST,,Pt2/St2,SIGMASIGMADUR2GLOSS33.1(1)11,,(2)22(3)33,,,3.22070,SIGMA,19851986,,430000m3SIGMAGUARDCSF3,FINA392,1991(pH2,)19913,,19965,,5,,,0420GB13348GB15599,SIGMASIGMAGUARDCSFCONDUCTIVE4,//,,/1952(GRA2CO),,,,,:(1),(2)300500m2/h,1015(3),,,,(4),30200m,,(5),(6),(7),,,,ConsiderationsforOilTankCoatingProtectionPengQinghaiShimaCoatingCo.,Ltd.(Kunshan,Jiangsu215331)SongGuangchengAnti-corrosionTechnologyDevelopmentCenterforPetrochemicalIndustry(Beijing100083)AbstractComprehensiveoiltankprotectionwassuggestedbasedupontheresultsoftheinspectionandinvestigationoftheoiltankprotec2tion.Itwaspointedoutthatbothcorrosionprotectionandelectro-staticconductionshouldbeappliedintheprotectionoftheoiltanks.Differentmethodsshouldbeappliedondifferenttnaksections.Nosolventepoxycoatingwasthepropermaterialforprotectingthetankbot2tom.Gaslessspraywasencouragedforcoatingapplication.Keywordsoiltank,corrosionprotection,no-solventepoxycoating,gaslessspray(29)CausesofCorrosionFailureofWasteLiquidFurnaceTubesinFurfuralUnitLeiYansen,GuoSuqinNanyangWaxFineChemicalPlantofHenanOilExplorationBureau(Nanyang,Henan473132)AbstractThefurfuralunitintheNanyangwaxfinechemicalplantwasbuildin1996.ThewasteliquidfurnacefailedfivetimesfromFeb.2001toJa.2002.Theanalysisconcludedthatthefailureofthetubebendwasmainlycausedbythecrevicecorrosionresultedfromthefur2nacetubecokingduetofurfuraloxidationandturbulentcorrosionfromthechangeofthevapor-liquidphase.TheinjectionofthecorrosioninhibitorKQ-1attheinletofthewatercoolerofwasteoilstripperandfurfuralwatercoolerhascontrolledthecorrosionofthetubebendbyraisingthepHvaluefrom4.5to6.28.0andlowingtheFe2+from38.8mg/Lfor3.47.0mg/L.Keywordswastefurfuralfurnace,failure,coking,turbulentflow,corrosioninhibitor142.