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1、EvaluationonEnvironmentalSafetyEffectofNaturalGasStorageYUChang1,2,3,TIANGuansan，WANGGuolei1KeyLaboratoryofRenewableEnergyUtilizationTechnologiesinBuildings，MinistryofEducation，Jinan,China2ShandongKeyLaboratoryofBuildingEnergy-savingTechnique,Jinan,Chin
2、a3SchoolofThermalEnergyEngineering,ShandongJianzhuUniversity,Jinan,China1.yuch@sdjzu.edu.cn,2.tgs4170@sdjzu.edu.cnAbstract:Basedontheconstructingofnaturalgasstoragetank,thelatentsafetytothesurroundingenvironmentispaidattention.Pointedoutthatthedetriment
3、aleffectcanbeforecastedeffectivelybyusingdestructionrangeassessmentmethods.TheexplosionenergyofthestoragetankisestimatedandtheexplosionshockwavesuperpressurevaluesarecalculatedbyusingsimulationproportionalityfactorandTNTexperimentaldata.Theexplosivedetr
4、imentaleffectsareforecastedbyusingtheoverpressurecriterionandtheharmfulrelationsrecommendedbyWorldBank.Takeastoragetankwithvolumeof5000m3andpressure1.20MPaastheexample,safeydistanceofthephysicalexplosionis144.0m,whilethechemicalexplosionis247.7m.Thisstu
5、dycanprovidereferenceforselectinglocation,determiningthesafetydistanceandtheregiondivision.Keywords:naturalgas;environmentalsafety;explosion;explosionenergy;detrimentaleffect;safetyevaluationI.IntroductionWiththedevelopmentofnaturalgasindustry,ascityloa
6、dstorematchsfacilities,naturalgaspropanetanksareconstantlyconstructed.Comparedwiththenormalpressuretank,naturalgaspropanetanks'pressureishigherandthereserveisbigger.thepressureof0.80～1.60MPaareused,butthetanks'workingpressure[1,2]iscommonly0.78MPa,andth
7、eyarepressurevessels.Thespecificationofsingletanktendstolarge-scale,thetotalvolumemostlyin10tonswhichisthecriticalvalue,andthetankbelongtomajorhazards[3],sothesafetyproblemsareverymuchconcerned.Thesafetycanbeassessedwithdangerindexmethod,suchasDowF&Eind
8、exmethod,MONDmethodofICIcompany,riskevaluationmethodandsoon[4].Thesemethodscanestimatehighriskandmakeriskhierarchies,butforhazardthedamagefromthescopeoftheimpactanalysisinvolvingless.Destructiondamageradiusevaluationmethodisadopt
