分类: 核科学技术 >> 乏燃料后处理技术 提交时间: 2022-05-28
摘要: Nuclearmateriallicenseholdershoulddevelopanuclear materialaccountingmanagementsystemandachievethe closedbalance. Accordingtoregulationsrequirements, nuclear materialaccountancyimplementationisbasedonphysical inventoryandmaterialmeasurement. Generally, thespentfuel reprocessingplantoperatesuninterrupted, annualthroughput ofnuclearmaterialsishuge, differentmeasurementand analysistechniquesareconfiguredcombingthereprocessing process. Sotheclosedbalanceapproachofnuclearmaterials accountingisagreatchallenge. Inordertoimprovethe accuracyandreliabilityofnuclearmaterial, enhancethe timelinessofabnormaldetection, near-realtimeaccounting prospectofspentfuelreprocessingplantwasresearched. Inthis paper, thecrucialaspectaffectingtheclosedbalanceofnuclear materialswasdiscussed, thefactorssuchasthehead-end receiver-shipperdifference, theon-lineprocessmonitoring accuracy,theapplicabilityoftheinternationaltargetvalueof nuclearmaterialmeasurementuncertainty, andalsothe nuclearmaterialbalancemodelofreprocessingplants. As summarized,proposedsuggestionsandsolutionsfornuclear materialbalanceinspentfuelreprocessingplantwasput forwardontheendofthepaper.