液化天然气接收站工程设计规范

ordingtotherequirementsofDocumentJIANBIAO[2013]No.6issufHousingandUrban-RuralDevelopmentofthePeople'sRepublicofChina(MOHURD)-"NoticeonPrintingandDistributing'theDevelopmentandReviStandardsin2013",thiscodewasLtd,SinopecLuoyangEngineerDuringtheformulationprocessofthiscode,thedraftingteamconducresearch,carefullysummarizedpracticalexperience,referredtorelevantdomestiadvancedforeignstandageneralprovisions;terms;siteselection;generalplotplan;processsysstoragetanks;equipmentlaauxiliaryfacilities;fireprotection;safety,occuTheprovisionsprintedinboldtypearemandatoryonesandmustbeimplTheMinistryofHousingandUrban-RuralDevelopmentofthePeople'sRepublicofChinaisinchargeofadministrationofthiscodeandexpiquefiedNaturalGasBeltDrivesofNationalTechnifStandardizationAdministrationofChinatakesresponHuanqiuContracting&.EngineeringCDuringtheimplementationofthiscode,ifanynecNo.1,Chuangda2ndRoad,LaiguangyingHigh-techIndustrialPark,ChaoyangDistrict,Beijing,China;Postcode:100012)forrefChiefDevelopmentOrganizations,Co-DevelopmentOrganizations,ChiefDrafters,ChiefReviewers,ChiefTranslatorsandChiefTranslationReviewersofthiscode:ChiefDevelopmentOrganizations:ChiefDrafters:ZHAOGuangmingZHAOYonghuiCHENGJingLIZhiyuHANYanpingSONGYuanlingLIZhHUGuoqiangDUYiZHAOYuefengYANKuiXUJiaweiGAOXianYANGNaYUANQiangWANGHutaiChiefReviewers:LIYanhuiBAIGailingLI (43) 1.0.1Thiscodeisformulatedwithaviewtoensurinreceivingterminals,improvingthedesignlevel,anrationality,safetyandreliability,energysavingandenvironmentalprotection.codeisapplicabletotheengineeringdesignofconstruction,extensionandrfofthenationshallbecompliedwithfortheengineeringdesignoftheliquefiednaturalgasreceiving2.0.1LiquefiednaturaAkindofcolourlessfluidintheliquidstatecomposedpredominantminorquantitiesofethane,propane,butane,nitrogen,orothercomponentsnormallyfoundinnaturalgas.AsitewhereLNGcarriers(ships)areunloaded,Acombinationofoneormorei2.0.4AgroupoftanksEquipmentforcondensingthecompressedboil-offgasofliquefieEquipmentusingseawaterasheatsource,inwhichtheseawatercovaporizertubebundlefromvaporizer,andthelique2.0.7SubmergedEquipmentusingnaturalgasasfuel,inwhichthehigh-temperaturefluegasproducedbnaturalgasthroughaburnnaturalgasisheatedandvaporizedbythehotwaterafterflowingthrou2.0.8IntermediatefluidvaEquipmentthatutilizesaphasetransitionprocessofevaporationandcondePhenomenonthat,duetothedifferentdensityortemperatureofliquefiednaturalgasliquidlevels,anunstablestateofviolentmovementofstratifiedliquefiednaturalgasisformed,largeamountofliquefiednaturalgasboil-offgasisreleased.2.0.11Dailyboil-offratePercentageofdailyamountofevaporationduetoheatleakatank,whichiscalwhichmaybecomposedofsingle-w2.0.13DoublecontainmentAsinglecontainmenttanksystemsurroundedbyandwwallthatisopentotheatmospstructureforstoringcryogenicflammablstructurewithdome,generallymadeofsteelorconcrete,whichisusedforbearinggaspandthermalinsulationmaterialsandcancontainthAcompositestructureformedbythecombinatioinsulationlayerandconcreteoutertank.Themetalmembraneinnertanthemetalmembranearealltransferredtotheconcreteouterinsulationlayer,andthegasphasepressureisbornebythet2.0.16ImpoundingAstructureusedtopreventoverflowoft2.0.17Operatingbaseerestartandsafeoperationcancontinue.Atthislevelof2.0.18SafeshutdowThemaximumearthquakethatwillnotcausetheftanksystem.Atthislevelofearthquake,theseismicactionmaycausepermanentdamagetopartialofthedeviceandstoragetankbut2.0.19AftershockleveleartEarthquakeafterasafeshutdownearthquake,WheseismicactionwillnotdamaSystemforprotectingtheboundaryofliquefiednaturalgasreceivingterminaloralarming3.0.1ForthesiteselectionofanLNGreceivingterminal,acomprehensiveconductedonthespecificsitesavailablenvironment,landacquisition,demolition,managementandotheraspects,according/toitgeology,hydrology,meteorology,transportation,fireprotection,waterselectionforLNGreceivingter3.0.2ThesiteofLNGreceivingterminalshallconformtothelocalurbanandruralplanningzoneplanningandportareaplanning,andshouldbeintheareaw3.0.3ThesiteofLNGreceivingterminalshallbedeterminedaccordingtothelocationofLN3.0.4ThelocationofLNGreceivingterminalshallhaveconditions3.0.5LNGreceivingterminalshouldbelocatedonthewindwardsideoftheannfrequencywinddirectionoftownsorresid3.0.6Highways,regionaloverheadpower3.0.7LNGreceivingterminalshallbelocatedinanareathaUnderunavoidableconditions,reliablefloodcontrolandwaterloggingdrainagemeasuresshal3.0.9LNGreceivingterminalshallnotbelo1Areaswithearthavalanche,activefault,landslide,swamp,driftsanmaycollapseaftertheminingofundergroungeologicalrequirementsinotherrespect2Areaswithseismicfor5Naturereserves;6Protectionareaforhis3.0.10LNGreceivingterminalshouldnotbebuiltintheareasfortificationintensityofd3.0.11ThefiresafetydistancesbetwmeettherelevantrequirementsfortheregionallayoutofLNGreceivingterminalinthecurrentnationalstandardGB50183CodeforFireProtectionDesignofPetroleumandNaturalGasEngineering.3.0.12ThedistancesfromLNGreceivingterminaltomilstorageyardsforimportantarticlesshallbedeterminedthroughcons.1ThegenerallayoutofLNGreceivingterminalshfjetty,trestleandlandarea,accordingtotherequirementsofreceivingterminal'sscale,processflow,transportation,environmentalprotection,fireprevention,safetyandsecurity,sanitatiorequirement,management,visualidenfthereceivingterminal,andincombinationwithlocalnaturalc4.1.2ThegenerallayoutofLNGreceivingterminalshallbearrauxiliaryproductionarshouldbearrangedonthewindwardsideoftheannualminimumfrequencywinddirectionofpersonnelconcentrationareasandplaceswi4.1.3ThegenerallayoutofLNGreceivingterminalshallbereasonablydivwidthofpassagesshallbedetermined,andtheshapesofblocks,processunitareas,buildingsand4.1.4ForthegenerallayoutofLNGreceivingterminal,thelayoutofbuildingcomplexshallbecoordinatedwiththespatiallandscapeandshallbecompatiblewithperipheralenvironme4.1.5Theadministrativeofficeandlivingseraccordingtotheirfúncti4.1.6TheLNGstoragetanks,importantequipment,importantarrangedintosectionswithgoodgeologic4.1.7Theproductionandauxiliaryproductionbuildingsshouldbecombinedtogetherequirementsofoperationprocess,fireprotection,safetyandsanitarycanbemet.4.1.8Thepumparea,compressorareaandoshallbefarawayfrompersonnelconcentrationareasandplacesunitarea,importantfacilitiesorpersonnelconcentrationareasofreceivingterminal;ifthisrflowingintotheprocessunitarea,importantfacilitiesor4.1.10Thereconstructionandexpanreasonablyarrangedincombinedwiththeorigina4.1.11ThereserveddevelopmentlandofLNGrworksshallbeplannedtogether;thenear-termworksshallbeconcentrated,compact,andrationallyarranged,andshallbereasonablyconnectedwiththelong-termworkThelandforlong-termworksshouldbereservedoutstlandisreservedintheterminalorintheblock,approvalandsu3Thecoldenergyutilizationareashouldbnear-termworks,andshouldbean4.1.12Thepassagewidthofthereceivingterminalshallmeetthefollowingrequirements:1Therequirementsof2Therequirementsofvariouspipelines,piperacks,transportationlinesandfacilities,vertical3Therequirementsofconstruction,installationandmainten4.1.13Thegreeningdesignof1Itshallbeplannedinaunifiedwaywiththegenthereceivingtermina2Itshallbearrangedaccordingtositeconplantecologicalhabits,anti-pollutionperformanceandsourceofseedlings;3Itshallmeettherequirementsofproduction,maintenance,transportation,safetyprotection,lightingandventilation,andshallavoidinteractionwit4Greeninglayoutshall/beeentrancesandexits,andbothsidesofmainroadsofthereceivingterminal;shallbeselectedaroundtheprocdeterminedaccordingtothefunctionofbuilding,firehazard,fireprotection,explosiocontrolandenvironmentalsanitaryrequirementsofthebuilding;shallavoidorreducereturnandroundroute;therouteofpeopleandgoodsshallbIntersectionofbusyroutesforgoodsandpedestrianwalkwaysshall4.1.15ForthegenerallayoutofLNGreceivingterminal,thefireevantrequirementsofthecurrentnatiofPetroleumandNaturalGasEngineering.4.1.16Productionfacilitiesshouldbearrangedinoneblockoradjacentblocks;ifthepintoseveralterraces,theproductionfacilit4.1.17Circularfirelaneshallbearrangedintheprocessunitarturnaroundareashallbearrangedatdeaddeterminedaccordingtothetypeoffirefightingvehicleequipped,4.1.18Thelayoutofthesendoutandmeteringareashallbecoordinatedwiththelnaturalgaspipelinesoutsidethereceivingt4.1.19Thelayoutofthegeneralsubsta1ItshouldbelocatedclosetotheborderofLN2Itshouldbearrangedonthewindwardsideofthewithwatermist.4.1.20Thelayoutofthe1Itshouldbearrangedindependently,andwheni2Interferenceofnoise,vibrationandontrolroomarrangedalongthemainroafthecontrolroomandthecetheleewardsideoftheannualminimumfreque4.1.22Nitrogenstationandcmeetthefollowingrequirements:1Theyshouldbea2Theinletofaircompressorshouldbelocatedonthefrequencywinddirectionof4.1.23Thelayoutof2Itshallbelocatedinthenon-explosion-proofarea,andthedistancefromtheprote4.1.24Thelayoutofthelaboratorytankarea,processunitarea,2TheminimumdistancefromthevibrationsourceshallmeettherelevantrequiremecurrentnationalstandardGB50187CodeforD4.1.25Theworkshopsformaintenanceofmachine,instrumentaadjacentlyarrangedononesideofthereceivingteThenoise,vibrationanddustofthemachinemaintenanceworkshopshallbepreventedfromaffectithesurroundingfacilities.Thevibration-proofdistanceshallmeettherelevantrequirementsofthecurrentnationalstandardGB50187CodeforDesignofGeneralLayoutofIndustrialEnterpris4.1.26Thelayoutoft1Theelevatedflareshouldbelocatedonthewinddirectionoftheproductionfacilitiedirectionoftheproductionfaci3ThefiresafetydistanceoftheflarelayoutshallmeettherelevantrequirementsoftnationalstandardGB50183CodeforFireProtectionDesignofPetroleumand4.1.27Thesewagetreatmentfacilitiesshouldbelocatedclosetotheborwithlowerterrainandgroundwater4.1.28Thelayoutoftheseawaterintakeanddrainageareashallspecificlocationshallaecologicalenvironmentimpactassessmentofthes2Thelayoutofseawaterdischargeditch(culvert)shallbedeterminedaccordingtothepositionoffacilitiesoutsidetheLNGrece4.1.30TheLNGstoragetankareceivingterminal,circularwindareashou4.1.31TheLNGstankandjettyshallmeettherelevantrequirforDesignofLiquefiedNaturalGasPortandJetty.4.1.32Acircularfirelaneshallbearrangedacannotbearrangedduetolandrestrictions,turnarountheimpoundingdike/waV/Layoutofroadtankerloadingfac4.1.34ThelayoutoftheLNGroadtankerloadingareashallmeetthefollowingrequirements:andthemainpersonnelentrances/exits2Itshouldbebuiltwithfencet3Itshouldbeprovidedwi4.1.35Thetruckscaleshouldbelocatedontherightsideofthemaindrivingdirecbelessthanthelengthofonetruck.Thelayoutshallnotaffectthenormaldrivingofothervehicles.4.1.36Theadministrativeofficeandentrance/exitoftheLNGreceiv4.1.37Theadministrativeofficeandliv4.1.38Thecombinationthespatiallandscapeshouldbeinharmonywiththesurro4.1.39TheLNGreceivingterminalshouldhavenolessthan2entranc4.1.40Themainpersonnelentrances/exitsofreceivingterminalshallbearrangedonmainroadleadingtotheresidentialareasandtowns;themaingo4.1.41TheperimeteroftheLNGreceivingterminalshallbeclosedbypermanentfencewithah4.1.42Thelocationofthefirestationshallenablefiretru4.1.43Thedrivingdistancefromthdownwindsideoftheannualminimumfrequencterminal;thedistancebetweentheentrance/exitofthefirpersonnelconcentrationactivityvenues,suchasintheLNGreceivingterminalshouldnotbeleunderspecialcircumstances,thefiretruckgaragecombinedwiththecompgaragesshallhaveindependentfunctionalareaedgeoftheroad,andshallavoidpiperacks,trestlesorotherobstacles;thesitpavedwithmaterialssuchasconcreteIXLayoutofjettyarea4.1.47ThelayoutofjettyareaofLNGreceivingterminalshallbeconsideredinconjunctionwiththelandarealayoutofther4.1.48ThelayoutofjettyareainLNGreceivingterminalshallmeetthe4.2.1TheverticaldesignofLNGreceivingterminalshallconformlocaltownorindustrialzone,andshallmeet4.2.2Intheverticaldesign,theelevationsofvarioudeterminedincombinationwithtopographyandengineeringgeologisurroundingsitesoutsidetherecdesignelevationshallnotbelowerthanthedesign4.2.4Theverticallayoutshallmeetthefollowingrequir1Itshallmeetthereqterminal,rainwaterdischargeturalterrainshallbefullyutilizedandreasonablytransformedtominimizetheamounfearthworkforsitelevelingthetransportationdis3Whenthereceivingtermudslidesshallbeprevented,andvegetationshallbeprotectedtopreventsoilerosio5Therenovationandexpansionworksshallbeverticfsitetopography,engineeringgeologicalandhydrogeologicalgenerallayout,transportationmodeandfireprotection.If2%,theslightslopetypesho4.2.6Thesteppedverticaldesignshallmeetthefollowing1Thebuildingsandst2Thelongsidesofthestepsshouldbearrangedparall3Thewidthofthestepsshallmeettherequirementsofbuildings,structupipelinesandgreenlayout,aswellastheneedsofoperation,maintenance,firefight4Theheightofstepsshallbedeterminedincombinarequirements,conditionsofsitetopography,engineeringgeologicalandhtransportationlinksbetweenstepsandburieddepthoffoundation,andshouldnotbehigherthan4m.4.2.7Theconnectionmethodbetweenalandusing,excavationandfthenaturalsloping,slopeprotection,parapetwallorretainareawherethereceivingtermin4.2.9ThedesignoftherainwaterdrainagesystemofrequirementsofthecurrentnationalstandardGEngineering.1TheamountoffillingandexcavationshouldbeInthebalancecalculationoffillingamountandexcavationamouk(stonework)quantityofsiteleveling,itshallalsoinclubuildings,structures,equipmentfoundations,astheremovalandbackfillutilizationamIntheearthwork(stonework)balancecalculatiof2Forthefillingsectionofbuildings,structures,railways,roadsandpipelines,whenexcavatedortreatedbeforefilli4.2.12Thesquaregridmethodorcross-sectionmethodmaybeuse(stonework)quantityofsiteleve4.3.1Underthepremiseofmeetingthegenerallayoutofthereceivingterminal,thalsomeetthefollowingrequirements:1Itshallmeettherequirementsoftransportationandhoistingoflargeequipmentproduction,transportation,firefighting,safety,construction,installationandmaintenance;2Thelayoutofroadnetworkshallbecombinedwithegenerallayoutofthereceivingterminalandbecoordinatedwiththeverticaldesignofthesiteandthedirectionofthemainpipelines,andshouldbearrangedparallelorperpen3Thelayoutofmainandsecondaryroadsandtheflowdirecti4Theroadshouldbearrangedcireularturningradiusofthepassingvehiclesandtheroa5Theconnectionbetween1Thesametypeshould2Theurbantypeshouldbeadoptedorproductionunitareas,andsectionswithhigherhygienicrequirementsandlarger4.3.3Theroadpavementgradeandsurfacelayertyprequirements,climateandshallmeetthefollowing1Theroadshouldbebuiltwithhigh-gradeorsub-high-gradeapproachroadmaybethesameastheroadconnec2Cementconcretepavementshallbeadoptedforthe4.3.4Thepavementsecondarymainroadsandbranchroads,andshouldnotbelessthan3.5Forworkshopapproachroads,thepavementwidthmayalsoada4.3.5Thecircularcurveradiusoftheroadsh4.3.6TheinnerturningradiusBranchroadandbuildiBranchroadandworkshopappro4.3.7Thelongitudinalslope2Thelongitudinalsl3Thelongitudinalslopeofthesp4.3.8Theheightclearanceofthefirefightingroadsintheterm5.1.1ThedesignofLNGreceivingterminal'sprocesssapplicablesafetyandenvironmentalregulations,andmcommissioning,inspectionandmaintenanceprocedureofthereceivingterminal.5.1.2TheminimumstoragecapacityofLNGreceivLNGCtype,thelongestconsecutshavingrequirements.Atleast2LNGstoragetankssho5.1.3LNGstoragetanksshouldbesite-builtflatpressureshallnotbehigherthan50kPa(G).5.1.4Thesafetyvalvesoatmosphere,whilethesafetyvalvedischargesofotherprocessequipmentandfaciliti1.5TheLNGpumpsandvapfmarineloadingarms,BOGcompressorsandrecondensermaynotbenecessary.5.1.6Processsystemsandequipmisolationfacilitiessuchasshut-offvalvesandblindplates,etc.5.1.7LNGrecirculationshouldbesetuptomaintaintheLNGcondition.Apropercirculationflowrateshouldbemaitheendoftherecirculation.installedontheoutersurfaceofitshorizontalsectionstomonitortheprecoolingprocess.Surfacethermometersshallbeinstalledinpai5.1.11Foranyprocessequipmentandpipinshallbetakentopreventthemfrombeingdamage5.1.12Processequipmentapurgingpressureshallnotexceedthedesignpressureoftheequipmentandpipingbe5.1.13Fuelgaslineshouldbedrawndowavaporizer,pressurereducingandsafetyisolationde5.1.15ColdenergyofLNGshallbereasonablyutil5.2Unloadinga5.2.1LNGunloadingandlo5.2.2Thevolumeofcargobeingtransferredshouldbemeasuredbycargolevelgaugtables.Ifaflowmeterisintroducedforrequirementsofcustodytransfer.closedtothetrestleend.ThedistancebetweentheESDvalveandthe5.2.5Theunloadinga4Theloadingandunloadingprocesssystemshouldbesharedif5.3.1AnLNGstoragetankshalltemperatureanddensitythatmeettherequirementsofpreco5.3.2Theliquidlevelsettingsomaximumoperatingleveltohigh-highleveltankpumpcharacteristics.1/Twosetsofindependentliquidlevelg2Asetofindependentliquidlevelgaugeshallbeinstalledformonitoringofhi5.3.4AnLNGstoragetankshallbeeqnormaloperation,highpressure,lowpressurean5.3.6ThethermometersofL1Theprimarycontainershallbeequippedwithamulti-pointth2Thegasspaceshouldbeequipped3Temperaturesensorsshallbeinstalledonthewallandbottomoftheprecoolingandrewarmingmonitoring.4Temperaturesenandthebottomofannularspaceforleakagemonitoring.Whentemperaturereachesthethreshol5.3.7Asetoflevel-temperature-density(LTD)me5.3.8Apressurecontrolvalveshouldbeinstalledinstoraget5.3.9AnLNGstoragetankshallbeequippedwithsareliefvalvesshallbesizedforanyprobablecombinationoftheflowrateofeachcontingencstoragetankshallbeprovidedwithvacuumbreakf5.3.11ThemaximumflowrateofthevacuumbreakerandvacuumreliforanyprobablecombinationofthefoHowingcontingencyshallbecalculatedac2Maximumpumpsuct3Maximumsuctionrateofboil-offgascompressor.5.3.13TheLNGstoragetankshallbeprovided_withprecoolinglinesfittedwithpres5.3.14/Themaximumdailyboil-offrateofsinglecontainmenttank,doublecontainmenttankandfullcontainmenttankshouldbe0.08%,whereas0.1%forthemembranetank.5.4.1Aboil-offgashandlingsystemshallb5.4.2Theboil-offgashandlingsystemshallcolequipmentandpiping,coldrecirculatankerloading,etc.5.4.3Theboil-offgasshouldberecoveredandutilizedinthefollowingways:5.4.4Theconfigurationofboil-offgascompressorsshal1Manuallyandautomatic5.5.1TheconfigurationofLNGpumpsshallbeinaccordancewiththefollowingrequ1Localstart/stopbutto2Akickbackbypassforminimumreachedthelowthreshold,ala4Analarmshallbeinitiatedincaseofhigjunctionbox;5Incaseofpumpmotorcurrentreachedthehighthr5.5.2Thecapacityofain-tankpumpshallbedeterminedbasedontherequirementsofNGstruck-loading,ship-loadingandLNGcoldreci5.5.4Atleastonein-tankpumpshouldbeprovidedwithf5.6.1TypeofLNGvaporizershallbedeterminedaccordingtotheambientconditionconditions,functionalityofreceivingterminal,andavailabilityofheatsou5.6.3Themaximumallowablepressuredropofthevaporizershouldnotexcee5.6.4TheNGoutlettemperatureofthevaporizershouldnotbelowerthanaftertriggingtheinletESDvinletlineofvaporizer,whiletemperatureandpressureinstrumentsineachNGoutletline.SepatemperaturemeasuringinstrumentsshallbesetupforthevaporizerESDiinstruments,anditsoutletlineshallbeinstalledwithtemp5.6.8Theparticlesizesofthesuspendedinseawaterforvaporizershallnotexceed5mm.5.6.9ThewaterqualityforORVshouldbeinac1Thecontentofth3Thecontentofcopperion(Cu²+)should4Thecontento