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    • 86. 发明专利
    • Decladding method of spent fuel rod in nuclear reactor
    • 核反应堆空载燃料油的分解方法
    • JP2012127717A
    • 2012-07-05
    • JP2010277688
    • 2010-12-14
    • Hitachi-Ge Nuclear Energy Ltd日立Geニュークリア・エナジー株式会社
    • KOBAYASHI TAKAOHANAWA TAKAOHOSHINO KUNIYOSHIOIKAWA HIDENORIKATO TETSUYA
    • G21C19/37G21F9/30
    • Y02W30/881
    • PROBLEM TO BE SOLVED: To provide a decladding method in which a spent fuel rod having radiation properties can be reprocessed by remote control without complicated mechanism and device and also to provide the decladding method in which the operation ratio of a facility which can reprocess both the fuel rod for LWR and the fuel rod for FBR can be improved.SOLUTION: The decladding method of the spent fuel rod composed of fuel stored in a cladding tube in a reprocessing step of the spent fuel rod in a nuclear reactor, includes: a step of shearing the fuel rod into pieces; a step of crushing the fuel in the cladding tube by freely dropping fuel rod sheared pieces under gravity; a step of separating the cladding tube and the fuel by a sieving machine; and a step of pulverizing the separated fuel.
    • 要解决的问题:提供一种具有辐射特性的废燃料棒可以通过远程控制而不需要复杂的机构和装置的方法,并且还提供一种降解方法,其中可以将设备的操作比 可以改善用于LWR的燃料棒和用于FBR的燃料棒的再处理。 解决方案:在核反应堆中的废燃料棒的再处理步骤中,由存储在包壳管中的燃料组成的乏燃料棒的排放方法包括:将燃料棒切割成碎片的步骤; 通过在重力下自由放下燃料棒剪切片来破碎包层管中的燃料的步骤; 通过筛分机分离包层管和燃料的步骤; 以及粉碎分离的燃料的步骤。 版权所有(C)2012,JPO&INPIT
    • 87. 发明专利
    • Method for reusing spent fuel and core structure of fast reactor
    • 重新燃烧燃料的方法和快速反应器的核心结构
    • JP2006030001A
    • 2006-02-02
    • JP2004209621
    • 2004-07-16
    • Japan Nuclear Cycle Development Inst States Of Projects核燃料サイクル開発機構
    • IKEGAMI TETSUO
    • G21C19/44G21C3/328G21C3/62G21C5/18G21C19/34
    • Y02E30/34Y02E30/38Y02W30/881Y02W30/882
    • PROBLEM TO BE SOLVED: To enable the multiple uses of fuel spent in a light water reactors only by conducting recovery treatment involving a simple heat treatment and the reusable fuel processing. SOLUTION: Fuel 1 spent in the light water reactor is extracted from cladding tubes for the light water reactor by recovery treatment involving a simple heat treatment (SP1) and is made reusable fuel by reusable fuel manufacturing (reusable fuel processing; SP2) and the reusable fuel is filled and loaded into cladding tubes for a fast reactor. Additionally, the reusable fuel in the cladding tubes in the fast reactor loaded into them is characterized in that it is made reusable fuel again by being extracted from the cladding tubes for the fast reactor through the recovery treatment involving the simple heat treatment (SP1) and by the reusable fuel manufacturing (SP2) at intervals of a recycle time set within the allowable durability period for the cladding tubes for the fast reactor in it and that the reloading into the fast reactor--the loading into it by filling the reusable fuel into new cladding tubes for the fast reactor--is repeated once or more. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了能够通过进行简单的热处理和可重复使用的燃料处理的回收处理,能够在轻水反应堆中多次使用燃料。 解决方案:通过涉及简单热处理(SP1)的回收处理,在轻水反应堆的包覆管中提取燃料1,并通过可重复使用的燃料制造(可重复使用的燃料处理; SP2)制成可重复使用的燃料, 并且将可重复使用的燃料填充并装载到用于快速反应器的包层管中。 此外,装载在其中的快速反应堆中的包层管中的可重复使用的燃料的特征在于,通过通过简单热处理(SP1)的回收处理从用于快堆的包层管中提取可再生燃料, 通过可重复使用的燃料制造(SP2),间隔时间设定在其中用于其中的快速反应堆的包壳管的允许耐久期内,并且重新加载到快速反应堆中 - 通过将可重复使用的燃料装入 用于快速反应堆的新型包覆管 - 重复一次或多次。 版权所有(C)2006,JPO&NCIPI
    • 90. 发明专利
    • Fuel management method, fuel management program, and fuel management system
    • 燃油管理方法,燃油管理方案和燃油管理系统
    • JP2009180543A
    • 2009-08-13
    • JP2008017852
    • 2008-01-29
    • Toshiba Corp株式会社東芝
    • SUZUKI YOSHIAKISHIBA HIROKIKOJIMA YASUKO
    • G21C19/37G21C19/46
    • Y02W30/881Y02W30/883
    • PROBLEM TO BE SOLVED: To provide a fuel management system for predicting a discharge amount of radioactive waste to an environment or a production amount of a product, and managing integrally fuel management as a whole reprocessing factory. SOLUTION: The fuel management system 1 includes: a display device 2 for displaying the order of priority of a processing order; an input means 3 for accepting an input signal; an individual discharge amount calculation means 43 for calculating an individual discharge amount of the radioactive waste discharged when processing one fuel relative to each fuel based on fuel characteristic data 51 wherein fuel characteristics are recorded; a total discharge amount calculation means 43 for calculating the total discharge amount which is the sum of individual discharge amounts relative to all the fuels processed in a continuous operation period; a discharge amount determination means 44 for determining whether the total discharge amount exceeds a discharge amount restriction value set beforehand; and a profit ratio calculation means 45 for calculating the production amount of the product relative to all the fuels processed in one campaign, and calculating the profit ratio. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于预测放射性废物排放量到环境或产品生产量的燃料管理系统,并且作为整体后处理工厂整体地管理燃料管理。 解决方案:燃料管理系统1包括:显示装置2,用于显示处理顺序的优先顺序; 用于接受输入信号的输入装置3; 个别排出量计算装置43,用于计算在记录有燃料特性的燃料特性数据51时处理一种燃料时排出的放射性废物的个体排出量; 总排放量计算装置43,用于计算作为在连续运行期间内处理的所有燃料的各个排出量之和的总排放量; 用于确定总放电量是否超过预先设定的放电量限制值的放电量确定装置44; 以及用于计算相对于在一个活动中处理的所有燃料的产品的生产量并计算利润率的利润率计算装置45。 版权所有(C)2009,JPO&INPIT