:2008206219:(1939),,,1965(),1,2[11()(),239641400;21,10310011]:,:;;;;:TB664:BInfluenceofharmfulgasonsafeoperationofairseparationunitZhangPeng2cheng1,ZhaoXiao2ying2[1.SichuanAirSeparationPlant(Group)Co.,Ltd.(retired),239JiansheMidRoad,Jianyang641400,Sichuan,P.R.China;2.ChinaNationalAirSeparationPlantCo.,Ltd.,10ZhuertanLane,HushuNorthRoad,Hangzhou310011,Zhejiang,P.R.China]Abstract:Themaincomponentsofgaseswhichthreatenthesafeoperationofairseparationunitandtheformationconditionsandprocessesofelectrochemicalcorrosiongalvanicinteractionarebrieflyintroduced.Theinfluenceofharmfulgasonsafeoperationofplate2finheatexchangersandotherfacilitiesincoldboxisanalyzedindetails.Keywords:Airseparationunit;Harmfulgas;Plate2finheatexchanger;Electrochemicalcorrosiongalvanicinteraction;Safeoperation1,,,:CO2CON2OC2H2CH4(CmHn),:100,,CO2CON2OCmHn,,Cl-PO33-NH3HClCH3SHSO2NO2N2O3:,,,,;,,,,,,,,,,,8,,,,,2211,,,,SO2SO32-Cl-PO33-NO3-NH3H2SNO2,,,,Cl-HClSO2SO32-PO33-CO2CO32-,,70,,,1020mmH2O,,,,212(1),,,,,(2),,,,,,,,,,,,(99199%),pH,pH3Cl-PO33-SO32-NO3-NH3HClH2SCOSSO2NO2COCO2,,,,311,,,,,,,,,,312,,,,,(),,,85;61;35,294,,,,,¬9