·安全技术·收稿日期:2022-08-19液氢加氢站泄漏爆炸事故模拟及分析王峰1，俞华栋1，厉劲风2，苑文豪3，陈建业3(1．浙江省能源集团有限公司，浙江杭州311121;2．浙江省白马湖实验室有限公司，浙江杭州310000;3．华中科技大学，湖北武汉430000)摘要:目前，我国正建设大量加氢站为氢能汽车提供燃料，因此有必要评估加氢站的氢泄漏和爆炸风险。建立液氢泄漏的伪源模型，利用商业计算流体动力学软件FLACS针对液氢加氢站液氢泄漏进行综合后果评估，分析了风向对事故后果的影响。结果表明，液氢释放初期会呈现稠密气体特征;液氢泄漏后可燃云会在很短时间达到稳态，采用灵敏的检测装置紧急关阀十分重要;根据目前的加氢站构造，运输车的存在会导致严重的爆炸后果;不同风向下泄漏后果差别较大，除风向沿-Y时，超压均会对控制室及室内人员造成极大危害。关键词:液氢;加氢站;泄漏;爆炸中图分类号:X928．7文献标志码:A文章编号:1007-7804(2023)01-0040-07doi:10.3969/j.issn.1007-7804.2023.01.012SimulationandAnalysisofLeakageandExplosionAccidentinLiquidHydrogenHydrogenationStationWANGFeng1，YUHuadong1，LIJinfeng2，YUANWenhao3，CHENJianye3(1．ZhejiangProvincialEnergyGroupCo．，Ltd．，Hangzhou311121，China;2．BaimaLakeLaboratory，Hangzhou310000，China;3．HuazhongUniversityofScienceandTechnology，Wuhan430000，China)Abstract:Atpresent，alargenumberofhydrogenationstationarebeingbuiltinChinatoprovidefuelforhydrogen-poweredvehicles，soitisnecessarytoevaluatetheriskofhydrogenleakageandexplosioninhydrogenationstation．Thepseudo-sourcemodelofliquidhydrogenleakageisestablished，andthecomprehensiveconsequenceevaluationofliquidhydrogenleakageinliquidhydrogenhydrogenationstationiscarriedoutbyusingcommercialcomputationalfluiddynamicssoftwareFLACS，andtheinfluenceofwinddirectiononaccidentconsequenceisanalyzed．Theresultsshowthatliquidhydrogenwillshowthecharacteristicsofdensegasattheinitialstageofrelease．Aftertheliquidhydrogenleaks，thecombustiblecloudwillreachasteadystateinashorttime，soitisveryimportanttousesensitivedetectiondevicetoclosethevalveurgently．Accordingtothecurrenthydrogenationstationstructure，theexistenceoftransportvehicleswillleadtoseriousexplosio...
