LNG项目的储气调峰作用_兼论LNG项目建设理念的转变

:,,,,;,LNG;,LNG10LNG:(100048)32:[phone]E2mail:[e-mail].,2010,30(7):1072109.,,,,(LNG)LNG,,LNG,,LNG,LNG(),,,;,LNGLNGDOI:10.3787/j.issn.100020976.2010.07.02812009,3.6104km,1000108m3[1]LNG,LNG,,,20042005,2009[2],,,,LNG22.1LNG386,2392108m3,45%,18%,66,862108m3,407108m3,45d30,300108m347d17d110d[3]LNG,,3045d3LNG,36;7013073LNG,30,,5.5,[4]2.2,,,,LNG,;,,,3LNGLNG,,LNGLNG5%8%2009,20%[5]10,LNG7.5%,15%(CERA),20082010LNG50%,;2010,25%(6400104t)LNG,4500104t;,LNGLNG,,,LNG(),,LNG,[5],LNG,4LNG4.1,,,LNGLNG,LNGLNG,LNG,,,LNG,LNG,LNG,LNG,;,,LNG,,:,,,,,,;,,,,,,,LNG,,LNG4.2LNG,,300104t,40108m3,3+1,3,1,200t/hLNG40108m3,1100104m3(8300tLNG),314h4,2500104m3,1,LNG(LNG),LNG,80120107,LNG,,,LNGLNG,LNG,LNG,LNG,4.3LNG,,,,,,LNGLNG,,,,LNG,,,LNG,,LNGLNG(),,LNGLNGLNG,,,,LNGLNG,,LNG,,,,LNG2015350108m3,LNG7d,,20%,,70108m3,2300104tLNG4.4LNG,,,,,,,,,,,;,,,,(),,LNG,LNG,,LNG,10,,,,,,,,10,,,LNG,,LNG(119)901307[3]3.2.2,,,,,,,[4]3.2.3,,,,,,,,,[5]3.31)2),,,3),,,,[1].[J].,2006(8):17.[2],.[J].,2005(5):100.[3].[J].,2004(6):43.[4],.[J].,2004(9):74.[5],.[J].,2009(35):63.(2010202211)(109),10LNG500LNG,LNG,,,,3,,,,LNG,LNG,[1].1230[EB/OL].(201023218)[2010205206]http:[2].[N].21(2010202224)[2010205215]http:[3],.[N].(2009208205)[2010205220]http:baike.baidu.com/view/612058.htm?fr=ala0_1.[4],.LNG[J].,2010,30(1):1092113.[5]JEANVERMEIRE.GlobalDynamicsofLNGBusiness[R].:2009,2009.(2010205205)911307NaturalGasIndustry,Vol.30,Issue7,2010NATUR.GASIND.VOLUME30,ISSUE7,pp.982102,7/25/2010.(ISSN100020976;InChinese)Abstract:TobuildupaLNGcryogenicpowergenerationsystembyuseoftheRankinecycleisoneofthemostpopularcoldenergyutilizationways.InordertoimprovetherecoveryratioofLNGcoldenergy,wepresentedamodelofcryogenicenergyutilizationbythecascadingcycles,andconductedtheexergyanalysisontheexergylossateachlevelofthecascadingcryogenicRankinecycle.Weconcludethat(1)thereisobvioussectionaldifferencefrominthegasificationcurves,providingarobustfoundationforbuildingupahigh2efficiencycoldenergypowergenerationcycle,(2)theexergylossinthisRankinecycleoccursmainlyontheheatexchangingfa2cilities,sotheoptimizationofthesystemshouldfocusontheheatexchangingfacilities,especiallythecondensertoreducetheaver2agetemperaturedifferenceofheattransferandcutdowntheirreversibleexergylossinheatexchangers,and(3)acascadingcycleforthepowergenerationsystemisbuiltuptomakefulluseoftheLNGbydifferentlevelsoftemperature,inthisway,theexergylossinthiscyclewillbedecreasedeffectivelyandtherecoveryrateofLNGcoldenergywillbeimproved.Comparedwithasimplesingle2levelcycle,thiscascadingcyclebuiltonthegasificationfeaturesofLNGsignificantlyreducesthetotalexergylossinthewholeprocesswiththeefficiencyofexergyutilizationbeingincreasedby16.2%.Keywords:LNG,gasificationsectionmodel,coldpowergeneration,cascadeflow,exergyanalysisDOI:10.3787/j.issn.100020976.2010.07.026YangHongchang,bornin1982,holdsanM.Sc.degree,beingmainlyengagedinresearchofefficientuseofenergy.Add:Room317,NengyuanBuilding,Pingleyuan100,ChaoyangDistrict,Beijing100124,P.R.ChinaTel:[phone]ext8317Mobile:[phone]E2mail:[e-mail]fanLNGindustrialchaininCNOOCXingYun(Research&DevelopmentCenterofCNOOCGas&PowerGroup,Beijing100027,China)NATUR.GASIND.VOLUME30,ISSUE7,pp.1032106,7/25/2010.(ISSN100020976;InChinese)Abstract:TakingLNGprojectsasoneofthedevelopmentstrategies,CNOOC,ChinaNationalOffshoreOilCorporation,hasputin2tooperationtheLNGprojectsinGuangdong,Fujian,andShanghaiinsuccession,andplannedother6LNGprojectsalongtheChi2nesecoastline,whichhaslaidafoundationfortheLNGindustrialchain.RegardingtheseLNGprojectsashead,theCNOOC’sLNGindustrialchainhastakenitsshape,thus,CNOOChasparticipatedinto(1)manyrelevantindustries,suchasshareoperationofre2sourcesexploitation,LNGoceantransport,LNGcarrierbuilding,domesticproductionofgasturbinebytechnologyimport,interna2tionaloperationofstate2ownedenterprises,(2)manyrelatedservicesofbuildingandoperationofpipelinenetworks,subordinatesta2tions,gasorLNGfillingstations,gaspowergenerationplants,andurbangassystems,and(3)supportingconstructionofsmallLNGplantsandcoldenergyutilizationprojects.TheLNGimportedbyCNOOCcontributesalottoreformingtheenergystructureofthecoastaleconomicregions,improvingtheenvironmentalquality,raisingpeople’slivingstandard,andpromotingtheharmoniousdevelopmentofeconomyandenvironment.Keywords:CNOOC,LNG,industrialchain,gaspipelinenetwork,gaspowergeneration,urbangas,cryogenicenergyutilizationDOI:10.3787/j.issn.100020976.2010.07.027XingYun,seniorengineer,wasbornin1956.HegraduatedfromEastChinaPetroleumInstitute,andobtainedanM.Sc.degreefromQinghuaUniversity.Hehaslongbeenengagedinoil&gasexploration,development,researchandstandardizedmanagement.Add:Room2843,JingxinBuilding,No.Jia2,NorthEasternRingRd.,ChaoyangDistrict,Beijing100027,P.R.ChinaTel:[phone]E2mail:[e-mail]2shavingroleofLNGprojects:AnewconceptintheLNGprojectconstructionZhangWei(ChinaInternationalEngineeringConsultingCorporation,Beijing100048,China)931NaturalGasIn