2811GAS&HEATVol.28No.11200811Nov.2008,,2(1.,410008;2.,510640):,,,,:;;:TU996:B:10004416(2005)11oBol05ExergyAnalysisofUtilizationTechnologiesofPressureEnergyofNaturalGasPIPelineNetworkSHENAnyun,XIONGYongqiangAbstract:Theealeulationmethodofpressureeneofnaturalgaspipelinenetwork,aswellastheteehnologiealproeessesofgasstoragepeakshaving,eleetrieitygeneration,naturalgasliquefaetionandexpansionrefrigerationbyusingraturalgaspressureeneraredeseribed.Whenthepressureenerofnaturalgaspipeline15reeoveredbyturboexpander,thepressureexer15eonvertedintomeehaniealworkandeoldexergy,andthemeehaniealwork15biggerthantheeoldexergy.Thefullutilizationoftheeonvertedmeehaniealworkandeoldexe15favorabletoinereasetheutilizationeffieieneyofpressureenergyofnaturalgaspipeline.Keywords:naturalgaspipeline;pressureeney;exer,,2005,3.2x104km[,10MPa_,roMPa,3,10MP0.8MP,359.1kJ/kg,,,,14,,:e__=R_ln1Po,,kJ/kgT0,K,kJ/(kgK)p,MPap,MPaB0128nwateasheat.eom,,:~~|rlr|r|lrkreetr0050005000500050005000;fw=1000JrP(2),kJ/kgpl,MPapZ,MPa01.01.21.41,6/MPa1.82.0p,k,,:,r,J4..1PZcnItgn,/PZp12=111l\/s!,kJ/(kgK)c,,kJ/(kgK),KT,K(4),,,(5):e=(h:h)T0(s:s)(5),kJ/kghZ,kJ/kh,kJ/kg2,kJ/(kgK),kJ/(kgK),,,1MPa,25,0.8,0.9510MPa,l1,,,;12¹,,,,,,,116]////////(m,)))(350)x108880.42.111(230)x108882.524.222(0.55.0)x108883.35.888LLLNG405000400500003(X)400001,,,,,,7,1.6MPa,;1.63.5MPa,;3.5MPa,B02wateasheat.eom,:2811l.º,7700kw82],,,;,,O1.2.3.4.5611.7.8.9.la12.32,,,,2,,,[4,3,,,;,,,2LNG,,,»,LNGLNG,),,,,,,,,,,,LNG0.3m,/h,LNG0.5m3/h,44l,,2,3;,4,5;LNG6LNG7,,451,,1,,,,B032811~.wateasheat.eom1.2.3,45.6.7.LNG4,LNG1,LNG,10%,LNG,;,LNG,,,LNG,,,LNG,,6,¼,,,,40,,,25%7,18,91.7%5,52,1(0.5MPa),2;34(0.5MPa),5,,70;;,9,,,,,,...........-..-..,66666:....;:13.2514.6.7.8.9.5,,,,,,3,,,LNG,,,,,,,:[l].[J.l,20()7,22(2):2832.[2.[J].,B04:2811[13]4fesL,.JI4J..1..1lesesesL[5]2005,(5):4144.,.J].,2007,27(7):106108.,,,.[J.,2005,20(6):628631.,,,.[J.,2007,27(1):4952.,,.[J.,2005,25(4):4447.,,.J.,2003,23(4):225227..[J.,2002,(11):4545.SHENDM,FERNANDESF,SIMQESMOREIRAJR.Usinggaspipelinepressuretoliquefynaturalgasorgen-erateeleetrieity[J].HydroearbonProeessing,2006,85(l):4750.KIMBLEEL.RefrigerationProeessforliquefaetionofnaturalgasp.ThetjnitedStates:6209350BI,2001-0403.FISCHERB.Proeessforpartialliquefaetionofafluideontaininghydroearbons,suehasnaturalgas[p].TheUnitedSates:6449982BI,20020917.MINTAM,BOWENRR,STONEJB.Proeessformak-16]ingpressurizedliquefiednaturalgasfrompressurednatu-ral5usingexlansioneooling[p].TheUnitedStates:6378330BI,20020430.THOMASER,BOWENRR,COLEET,etal.Proeessforliquefaetionofnaturdgas[p].TheUnitedstates:6023942,20040215.,,,.[J].,2002,(6):5962.,,.[J.,2006,26(5):130132.,,.J].,2006,26(7):114116.,,.[J.,1995,(l):15.,,.J.,2007,35(2):25-27.l,eseses6zlesl00......r.esLLesesL,...JIOnO[10][11][12:(1976),,,,,:(0731)4377770Email:shenanyun@163.eom:20071107;:20080811,20088,(http:~.cabp.eom.cn),54.00,,,12:(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12),,()B05