空分设备内压缩流程与外压缩流程的比较与选择

:2007203219:(1952),,,1977,,(,210035):,,:;;;;:TB116111:AComparisonandoptionofinternal2compressionandexternal2compressionprocessforairseparationunitLinZhi2wang(GasProducingCompany,NanjingIron&SteelUnitedCo1,Ltd1,Nanjing210035,Jiangsu,P.R.China)Abstract:Analysishasbeenmadeontheinternal2compressionandexternal2compressionprocessofairseparationunit,inviewofprocesssafety,investment,energyconsumptionandeconomicbenefit.Basedonthecomparison,theinternalcompressionprocessoccupiesmoreadvantagesthantheexternalone.Keywords:Largescaleairseparationunit;Internalcompressionprocess;Externalcompressionprocess;Energyconsumption;Benefit,:;,,1111,,,,310MPa,111234567891052©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,,700800,,20000m3/h2030m3/h,,(2),,,51610-6,,,,,,,,,,1%,,,,31,,,,,,3%5%,,310MPa,,,,,,4(1)20000m3/h():500m3/h200m3/h400m3/h,1100m3/h(2)20000m3/h():1600m3/h0400m3/h,2000m3/h900m3/h62©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)20000m3/h99%,15050m3/h,6230m3/h6230m3/h,,99%,:62302019%99%=1289m3/h(2),,620000m3/h755m3/h,20000m3/h810m3/h,55m3/h,,,7,8%10%,,,20000m3/h,,711(1)112TYS100+2TYS7621000m3/h311MPa(A)3850kW20000m3/h:385020000/21000=3666kW(2)22GT040L2K1/021L2K1/(m3/h)6000030000/MPa(A)212518/kW3541142849694842kW,4969kW(3)3819kW:4969+3819-36661342kW712()()YPON22400/220033YPON22400/2200215MPa11300m3/h210MPa2400m3/h()0119kWh/m3210MPa0162kWh/m3,1m3:(011911300+24000162)/2400=1151kWh/m371320000m3/h,,:1342/900=1149kWh/m372©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(kWh),2006784/t,1580/t,8520::78490011428852010-3=858;:15805511784852010-3=132;:015713428520=651;:858+132-651=339,:(1),1m3(0162kWh/m3)9%,8%10%(2)1342kWh,900m3,1m3()1149kWh,(1151kWh)(3),,20000m3/h,,1600m3/h1600m3/h,,,,,1100m3,:01621100=682kW:1342-682=660kW,660kW,415%:0157660=376,55m3900m3,017kWh/m3(),,8,(4),,4,,,,,¬82©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.