合成氨贮罐气膜法氢回收的设计和操作吴雪梅

　2010年2月第35卷第1期贵州化工GuizhouChemicalIndustry合成氨贮罐气膜法氢回收的设计和操作吴雪梅1　贺高红1　何　振1　郭端华2(1.,116012;2.,564707)　　　　,。,。1300Nm3/h、0.8MPa,85%-90%,287.7×104Yuan/a,17。,,,。　　　　　TQ110.5　　　　B　　　　　1008-9411(2010)01-0019-031　概　述,、、。,,、[1,2]。,、[3-6]。,。90%,,;、、,99%,(60%)、;、,,,。,,。(85%～90%),,。2　膜法氢回收流程1。1。,。,。1,。,1000×10-6,(300×10-6),50℃,。、,,,。1　1　(mol%)(℃)(MPa)(m3)NH3H2N2CH4Ar192.2800-14008.0849.6924.3112.805.123　结果与讨论3.1　2。,,2。·19·　贵州化工GuizhouChemicalIndustry2010年2月第35卷第1期,,。,。1300m3/h、0.8MPa,85%～90%。、2。、,DCS、、。,5;、、、15;。、。。2　(1300m3/h,0.8MPa)2　、0.35MPa、/m3/t/t/m2×10-4×10-41.00.570220025353。,(1),(4),(2)。83.6%,318.9×104/a。85%～90%(),287.7×104/a,10～17。3.2　。,3　(1300m3/h,0.8MPa),。,,。,、4。86%,,,7086%。,,100。,,。,—。4　、(0.8MPa,1469m2)3.3　5。,。,、·20·　2010年2月第35卷第1期　　　吴雪梅等:合成氨贮罐气膜法氢回收的设计和操作,。。,2.0～2.4MPa,85%。5　、(0.8MPa,1469m2)4　结　论(1)(2.2MPa()、49mol%),85%～90%,;(2),,。1300Nm3/h、0.8MPa,85%～90%,287.7/a,17;　　(3),,。[1].[J].,2006(27):23～24.[2],.[J].,1994(32):37～41.[3],,,.[J].,2007(25):39～43.[4].[J].,2006(5):19～21.[5],,C.F.[J].,1996(34):13～18.[6].[J].,2003(23):123～140.(2009-10-12):,,,。,,,。DesignandOperationofTankGasHydrogenRecoverythroughMembraneSeparationWuXuemei1,HeGaohong1,Hezhen1,GuoDuanhua2(1.StateKeyLaboratoryofFineChemicals,RDCenterofMembraneScienceandTechnology,DalianUniversityofTechnology,Dalian116012,China;2.GuizhouChitianhuaCo.Ltd.)Abstract:Pressureandtemperatureoftankgaspurgedfromammoniasynthesisarerelativelylow.Inthispa-per,membraneseparationtechniquewasappliedtorecoverhydrogenfromtankgas.Therecoveredhydrogenthenreturnedbacktothedesulfurationunitasfeed.Withtheincreaseofmembranearea,concentrationofhydrogende-creasedwhereaseconomicbenefitincreasedduetotheincreasingrecovery.Over287.7×104Yuan/a'sbenefitcouldbereachedatthefeed-inoftankgas1300Nm3/h,pressureofpermeatedgas0.8MPaandconcentrationofhydro-gen85-90%asrequired.Therecoverytermofinvestmentwaswithin17months.Duringtheoperationofthesepa-rator,decreaseofselectivecoefficientofH/Nandincreaseofgaspressuremaycausedecreaseofhydrogenrecoveryandeconomicbenefit.Therearelittleeffectoftheabovetwofactorsonconcentrationofhydrogen.Keywords:ammoniasynthesis;hydrogenrecovery;membraneseparation;tankgas欢迎企业客户在本刊发布广告·21·