空分设备主换热器堵塞的原因及处理

33:2005212227:(1963),,2002,,(,454685):KDON2350/900,,,,:;;;:TB65715:BCauseanalysisandtreatmentofblockinmainheatexchangerofairseparationunitGuoMing2zhi(PowerDivision,HenanZhongyuanSpecialSteelCo1,Ltd1,Jiyuan454685,Henan,P1R1China)Abstract:BecauseofmalfunctionoftheprecoolerprecedingtomolecularsievepurificationsysteminaKDON2350P900typeairseparationunit,waterandcarbondioxideenteredthemainheatexchangerandblockeditschannel.Concreteoperatingmethodsandstepstodealwiththemalfunctionhavebeenintroducedindetails,followedbyabriefdescriptionofoperatingmethodtoensurenormaloperationofairseparationunitduringthemalfunctionoftheprecooler.Keywords:Smallscaleairseparationunit;Mainheatexchanger;Block;Molecularsievepurificationsystem120049,KDON2350/900200510,UF23600/8,,,,,21kPa,,,V1,;,,,,,2,,,50,,,,6h,,,,(1),35©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2),,V7(V8)V9(V10),V7V8,,,V1V4V12V2V3,,V2V3V104V106V109,,V106V109;,V110(3)V301,(4),V101,(5),,,(0165MPa),V413V463,,V207V208,V205V206,(6)23h,V301,0,(7),V301,,V1020165MPa,V413V463,V205V206V207V208,V301V205V206,,V413V463,V413V463(8),AB,3,,,,,500m3/h,:,,,,,,,10,,,1800m3/h,300m3/h,,,¬45©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.