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11. 发明专利

JP2011174728A Nuclear reactor of reflector control type 审中-公开
标题翻译：反射器控制类型的核反应堆
公开(公告)号：JP2011174728A
公开(公告)日：2011-09-08
申请号：JP2010037266
申请日：2010-02-23
申请人： Toshiba Corp , 株式会社東芝
发明人： KASUGA SHOJI , TSUBOI YASUSHI
IPC分类号： G21C7/28
CPC分类号： Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a nuclear reactor of a reflector control type which achieves highly efficient operation and is also superior in economical efficiency while maintaining safety and fuel integrity by restraining thermal spike from occurring.
SOLUTION: The nuclear reactor of a reflector control type includes a core 2 accommodated in a reactor vessel 1 and constituted by laying out fuel assemblies 16 and a neutron reflector 5 which controls the reaction of the fuel assemblies 16 by moving along the lateral circumferential face of the core 2, and is characterized in that the neutron reflector 5 uses deuterium-concentrated zirconium hydride as a moderator.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种实现高效运行的反射器控制型的核反应堆，并且在经济效率方面也是优异的，同时通过抑制热峰发生而保持安全性和燃料完整性。解决方案：反射器控制型的核反应堆包括容纳在反应堆容器1中并由布置燃料组件16和中子反射器5构成的核心2，中子反射器5通过沿侧面移动来控制燃料组件16的反作用芯2的圆周面，其特征在于中子反射体5使用氘浓缩氢化锆作为调节剂。版权所有（C）2011，JPO＆INPIT

12. 发明专利

JP2011033504A Manufacturing method of nuclear fuel pellet, and the nuclear fuel pellet 有权
标题翻译：核燃料颗粒和核燃料颗粒的制造方法
公开(公告)号：JP2011033504A
公开(公告)日：2011-02-17
申请号：JP2009180988
申请日：2009-08-03
申请人： Japan Atomic Energy Agency , Nippon Nuclear Fuel Dev Co Ltd , Toshiba Corp , 日本核燃料開発株式会社 , 株式会社東芝 , 独立行政法人日本原子力研究開発機構
发明人： ISHII TETSUYA , OGAWA KAZUHIDE , YUDA RYOICHI , MIZUSAKO FUMIKI , MATSUYAMA SHINICHIRO , TSUBOI YASUSHI
IPC分类号： G21C3/62
CPC分类号： Y02E30/31 , Y02E30/34 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To ensure integrity of nuclear fuel pellets, and furthermore, fuel rods by controlling the oxygen-to-metal (O/M) ratio and thermal conductivity of the nuclear fuel pellet at a lower and higher value, respectively.
SOLUTION: Manufacturing of the nuclear fuel pellet includes the process of adding metal uranium 12, having a predetermined equivalent spherical diameter and metallic molybdenum 13, having a predetermined particle size to an oxide fuel powder 11 containing a nuclear fuel substance, and mixing them; a process of compression molding the mixture to produce a green pellet 14; and a process of sintering the obtained green pellet 14, at a predetermined temperature for a predetermined period of time under a predetermined pressure in a sintering furnace with an inert gas or reducing gas atmosphere to produce a sintered pellet 15.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了确保核燃料颗粒的完整性，此外，通过将核燃料颗粒的氧 - 金属（O / M）比和热导率控制在更低和更高的值，分别。解决方案：核燃料颗粒的制造包括将具有预定的等效球形直径的金属铀12和具有预定粒度的金属钼13添加到含有核燃料物质的氧化物燃料粉末11和混合他们; 将混合物压缩成型以生产生坯14的方法; 以及在惰性气体或还原气体氛围下，在规定的时间内，在规定的时间内，在规定的温度下，在烧结炉中，使得到的生片14烧结，制作烧结丸15。 C）2011，JPO＆INPIT

13. 发明专利

JP2007178177A Nuclear fuel assembly 有权
标题翻译：核燃料装配
公开(公告)号：JP2007178177A
公开(公告)日：2007-07-12
申请号：JP2005374774
申请日：2005-12-27
申请人： Central Res Inst Of Electric Power Ind , Toshiba Corp , 株式会社東芝 , 財団法人電力中央研究所
发明人： KOGA TOMONARI , NISHIMURA SATOSHI , KINOSHITA IZUMI , MORIYA SHOICHI , TSUBOI YASUSHI , WAKAMATSU MITSUO , SAKASHITA YOSHIAKI , NAKAGAWA MASATOSHI
IPC分类号： G21C3/332 , G21C3/30 , G21C3/33 , G21C3/34
CPC分类号： G21C1/02 , G21C3/32 , G21C3/322 , Y02E30/34 , Y02E30/35 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide a fuel assembly which has a high heat efficiency and stable performance during its lifetime by preventing the unnecessary flow of coolant in the outer peripheral region within the fuel assembly to allow the coolant to efficiently flow toward the side of fuel pins laid out inside.
SOLUTION: The fuel assembly is equipped with: a wrapper tube 2 that has an entrance nozzle 4 for introducing the coolant and a handling head 4 for manipulation to accommodate the fuel pins 5; a grid 9 that is located in the wrapper tube 2 to support the fuel pins 5 in a radial direction; and a liner tube 8 that is inserted into the wrapper tube 2 to fix and hold each grid in the axial direction of the tube 2. A fixing means for fixing the grid 9 and the liner tube 8 in a radial direction is placed in the fuel assembly.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在其寿命期间具有高热效率和稳定性能的燃料组件，其通过防止在燃料组件内的外周区域中的不必要的冷却剂流动，以允许冷却剂有效地朝向燃料销的一侧布置在里面。解决方案：燃料组件装备有：包装管2，其具有用于引入冷却剂的入口喷嘴4和用于操纵以容纳燃料销5的操纵头4; 位于包装管2中以沿径向支撑燃料销5的格栅9; 以及插入包装管2中以沿着管2的轴向固定和保持每个格栅的衬管8。用于将栅格9和衬管8沿径向固定的固定装置放置在燃料部件。版权所有（C）2007，JPO＆INPIT

14. 发明专利

JP2006275795A Nuclear fuel pellet and its manufacturing method 有权
标题翻译：核燃料颗粒及其制造方法
公开(公告)号：JP2006275795A
公开(公告)日：2006-10-12
申请号：JP2005095881
申请日：2005-03-29
申请人： Japan Nuclear Cycle Development Inst States Of Projects , Nippon Nuclear Fuel Dev Co Ltd , Toshiba Corp , 日本核燃料開発株式会社 , 株式会社東芝 , 核燃料サイクル開発機構
发明人： TSUBOI YASUSHI , ISHII TETSUYA , YUDA RYOICHI
IPC分类号： G21C3/62
CPC分类号： Y02E30/34 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide a nuclear fuel pellet not requiring a heat-treatment process after sintering of the pellet by regulating the amount of metal uranium (U) granules added to an oxide powder being a raw material powder, to control the O/M ratio of the sintered pellet to a value lower than the value in the conventional case, and also to provide its manufacturing method. SOLUTION: The manufacturing method for the nuclear fuel pellet comprises the steps of: adding the metal uranium particles of a required equivalent spherical diameter to the oxide powder containing a nuclear fuel substance and mixing them; compressing and molding the mixed oxide powder to make a green pellet; and sintering the green pellet thus yielded at a specified temperature for a specified time in a sintering furnace having an inert gas atmosphere. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种不需要热处理工艺的核燃料颗粒，其通过调节加入到作为原料粉末的氧化物粉末中的金属铀（U）颗粒的量来烧结后，控制烧结颗粒的O / M比低于常规情况下的值，并且提供其制造方法。解决方案：核燃料颗粒的制造方法包括以下步骤：将所需等效球形直径的金属铀颗粒加入含有核燃料物质的氧化物粉末并混合; 压缩和模塑混合氧化物粉末以制成绿色颗粒; 并在具有惰性气体气氛的烧结炉中烧结生成的颗粒，使其在规定温度下规定时间。版权所有（C）2007，JPO＆INPIT

15. 发明专利

JP2005274316A Nuclear reactor 有权
标题翻译：核反应堆
公开(公告)号：JP2005274316A
公开(公告)日：2005-10-06
申请号：JP2004087422
申请日：2004-03-24
申请人： Toshiba Corp , 株式会社東芝
发明人： YOKOYAMA TSUGIO , KATO TATSUMA , TSUBOI YASUSHI , YAMAOKA MITSUAKI , MORIKI YASUYUKI , MATSUDA JUNKO
IPC分类号： G21C5/18 , G21C3/28 , G21C3/326 , G21C3/328 , G21C5/00 , G21C7/28
CPC分类号： Y02E30/34 , Y02E30/38 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a nuclear reactor capable of restraining thermal spike, and capable of flattening a core output while securing the integrity of fuel. SOLUTION: In this nuclear reactor of the present invention, a ratio accounted for with a fissile material of total heavy metal substances filled in a fuel pin 31a in a fuel assembly faced to a neutron reflector 32 is reduced relatively compared with a ratio accounted for with a fissile material of total heavy metal substances filled in a fuel pin 31c in a fuel assembly distant from the neutron reflector 32. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够抑制热穗的核反应堆，并且能够在确保燃料的完整性的同时使核心输出变平。解决方案：在本发明的这种核反应堆中，与面对中子反射体32的燃料组件中填充在燃料销31a中的总重金属物质的易裂变材料的比例相对于比例与填充在远离中子反射器32的燃料组件中的燃料销31c中的总重金属物质的易裂变材料相对应。（C）2006年，JPO＆NCIPI

16. 发明专利

JP2017116499A 高速炉炉心および高速炉审中-公开
公开(公告)号：JP2017116499A
公开(公告)日：2017-06-29
申请号：JP2015255010
申请日：2015-12-25
申请人：株式会社東芝 , Toshiba Corp
发明人： KIMURA REI , TSUBOI YASUSHI , HARA AKIHIRO , KAWASHIMA MASATOSHI
IPC分类号： G21C7/30 , G21C3/44 , G21C5/00 , G21C5/18
CPC分类号： Y02E30/40
摘要：【課題】高速炉の制御棒挿入失敗事象の発生時に、炉心へ負の反応度を投入する。【解決手段】実施形態によれば、高速炉炉心は、複数の炉心燃料集合体と、複数の炉心損傷防止構造体100と、複数の制御棒集合体とを備える。複数の炉心損傷防止構造体100のそれぞれは、核分裂性物質を収納する第1の液体燃料要素110aと、第1の液体燃料要素110に連通する流路を介した液体燃料108の第1の液体燃料要素110aからの流出を阻止するとともに、事故時にその周囲温度が上昇することにより溶融し液体燃料108の流出を許容する溶融プラグを有する。【選択図】図6

17. 发明专利

JP2013076675A Passive cooling system for liquid metal cooling reactor 审中-公开
标题翻译：用于液体金属冷却反应器的被动冷却系统
公开(公告)号：JP2013076675A
公开(公告)日：2013-04-25
申请号：JP2011217996
申请日：2011-09-30
申请人： Toshiba Corp , 株式会社東芝
发明人： KIKKO DAIGO , SUGAWARA RYOICHI , KOMITA HIDEO , TSUBOI YASUSHI , SATO NOZOMI
IPC分类号： G21C15/18
CPC分类号： Y02E30/35
摘要： PROBLEM TO BE SOLVED: To achieve sufficient heat removal when removing residual decay heat generated in a reactor core.SOLUTION: In a passive cooling system 32 for a liquid metal cooling reactor, a downflow passage 35 is formed between a heat collector 34 and a silo 31, an upflow passage 36 is formed between the heat collector 34 and a guard vessel 19, a cooling passage 33 is configured by including the passages 35 and 36, and during a period in which external air is introduced into the downflow passage 35 and is allowed to flow down, an air flow is converted into an upflow on the bottom of the silo 31 and then is allowed to flow up in the upflow passage 36 and is exhausted to the external, a liquid metal cooling material 13, a reactor vessel 11 and the guard vessel 19 are cooled. In the passive cooling system 32, a heat absorption member 41 is arranged on the upper part of the inside of the reactor vessel 11 in a state immersed in a liquid metal cooling material 13 and a heat sink 42 is arranged on the upper part of the reactor vessel 11 so as to be thermally connected to or isolated from the heat absorption member 41. In thermal connection with the heat absorption member 41, the heat sink 42 discharges heat of the heat absorption member 41 to the outside of the reactor vessel.
摘要翻译：要解决的问题：为了在去除在反应堆堆芯中产生的残余腐蚀热时实现足够的散热。解决方案：在用于液态金属冷却反应器的被动冷却系统32中，在集热器34和料仓31之间形成有下流通道35，在集热器34和保护容器19之间形成上流通道36 通过包括通道35和36构成冷却通道33，并且在将外部空气引入下流通道35并允许向下流动的时段期间，空气流被转换成上流料仓31然后被允许在向上流动通道36中向上流动并排出到外部，液态金属冷却材料13，反应器容器11和保护容器19被冷却。在被动冷却系统32中，在浸没在液体金属冷却材料13中的状态下，在反应容器11内部的上部配置吸热部件41，在上部设有散热片42 反应器容器11与热吸收构件41热连接或隔离。与吸热构件41热连接，散热器42将吸热构件41的热量排放到反应堆容器的外部。版权所有（C）2013，JPO＆INPIT

18. 发明专利

JP2012225761A Core of fast reactor 审中-公开
标题翻译：快速反应堆核心
公开(公告)号：JP2012225761A
公开(公告)日：2012-11-15
申请号：JP2011093392
申请日：2011-04-19
申请人： Toshiba Corp , 株式会社東芝
发明人： MORIKI YASUYUKI , YOKOYAMA TSUGIO , TSUBOI YASUSHI , YAMAOKA MITSUAKI , KAWASHIMA MASATOSHI
IPC分类号： G21C7/28
CPC分类号： Y02E30/34 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To attain prolonging the life of a core by increasing a reflector value in a reflector control system fast reactor.SOLUTION: A core 2 of a fast reactor 1 is enclosed by a cylindrical core barrel 35 arranged in a core outer portion inside a reactor vessel soaked in a primary cooling material C1, and is mainly constituted by hexagonal core fuel aggregation bodies 36. Special aggregation bodies 39, which include longitudinal and cylindrical housings 39 having a polygonal, circular, or elliptical shape different from the shape of the core fuel aggregation bodies 36 in a plane view, are loaded between the core barrel 35 and the core fuel aggregation bodies 36. The special aggregation bodies 39 are the bodies where the hollow parts of the housings 39 are vacuum or sealed by filling a substance with neutron reflective capability lower than that of the cooling material.
摘要翻译：要解决的问题：通过增加反射器控制系统快速反应器中的反射器值来延长芯的寿命。解决方案：快堆1的核心2被布置在浸泡在主冷却材料C1中的反应器容器内的核心外部中的圆筒形芯筒35包围，并且主要由六边形核燃料聚集体36 具有与平面图中的核心燃料聚集体36的形状不同的多边形，圆形或椭圆形状的纵向和圆柱形壳体39的特殊聚集体39被装载在芯筒35和核心燃料聚集体特殊聚集体39是通过填充具有比冷却材料的中子反射能力低的中子反射能力的物质来将壳体39的中空部分真空或密封的主体。版权所有（C）2013，JPO＆INPIT

19. 发明专利

JP2010243291A Fast reactor 审中-公开
标题翻译：快速反应器
公开(公告)号：JP2010243291A
公开(公告)日：2010-10-28
申请号：JP2009091318
申请日：2009-04-03
申请人： Toshiba Corp , 株式会社東芝
发明人： IGARASHI KENJI , KAWASHIMA MASATOSHI , HARA AKIHIRO , YAMAOKA MITSUAKI , TSUBOI YASUSHI , MORIKI YASUYUKI
IPC分类号： G21C17/108 , G21C15/12 , G21C15/18
CPC分类号： Y02E30/34
摘要： PROBLEM TO BE SOLVED: To provide a fast reactor which prevents neutrons moderated by a moderator of a neutron detector from leaking into an air flow channel in a decay heat removal system and activating cooling air.
SOLUTION: In the fast reactor which includes the decay heat removal system for air-cooling a reactor vessel 1 and the neutron detector 30 placed outside the reactor vessel 1 and where a neutron moderator 31 is placed around the neutron detector 30, a thermal neutron absorber 32 is juxtaposed outside the neutron moderator 31. The thermal neutron absorber 32 is placed in a section opposite to the air flow channel 19 and the thickness of the absorber is changed according to its relative positions to a core 2.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种快速反应器，其防止中子检测器的调节剂中和的中子在衰变散热系统中泄漏到空气流动通道中并激活冷却空气。解决方案：在快速反应器中，包括用于将反应器容器1的空气冷却的衰变散热系统和放置在反应器容器1外部的中子检测器30以及放置在中子探测器30周围的中子调节剂31的快速反应器热中子吸收器32并列在中子减速剂31的外部。热中子吸收器32放置在与气流通道19相对的部分中，并且吸收体的厚度根据其与芯2的相对位置而改变。版权所有（C）2011，JPO＆INPIT

20. 发明专利

JP2010243255A Reactivity control device and fast reactor 有权
标题翻译：反应性控制装置和快速反应器
公开(公告)号：JP2010243255A
公开(公告)日：2010-10-28
申请号：JP2009090308
申请日：2009-04-02
申请人： Toshiba Corp , 株式会社東芝
发明人： MORIKI YASUYUKI , KAWASHIMA MASATOSHI , TSUBOI YASUSHI
IPC分类号： G21C7/10 , G21C5/00 , G21C7/08
CPC分类号： Y02E30/34 , Y02E30/39
摘要： PROBLEM TO BE SOLVED: To provide a reactivity control technology capable of reducing a neutron shielding effect by a control rod for compensation, while maintaining the reactivity compensation function of the control rod for compensation, and suppressing the reactivity value degradation of a control rod for shutdown.
SOLUTION: A reactivity control device for performing the start and the shutdown of a fast reactor, recovering reactivity decline with elapse of time, and enabling long-term continuous operation includes a control rod guiding mechanism 10 for forming a control rod guide route (an inside channel 15 and an outside channel 16) whose domain is divided into the inside and the outside in a reactivity control channel formed in a core, and independently driving and ascending/descending the control rod in each control rod guide route; the control rod 20 for shutdown driven ascending/descending in the inside channel 15, for adjusting reactivity during start and shutdown of the fast reactor; and the control rod 30 for compensation driven ascendably/descendably in the outside channel 13, for recovering the reactivity decline with the lapse of time, with a reactivity value smaller than the reactivity value of the control rod 20 for shutdown.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：为了提供一种反应性控制技术，能够在维持用于补偿的控制棒的反应性补偿功能的同时，抑制控制棒的补偿的中子屏蔽效果，并抑制控制棒的反应性值劣化杆关闭。解决方案：用于执行快速反应堆的启动和关闭的反应性控制装置，随着时间的推移恢复反应性下降，并且能够进行长期的连续操作包括用于形成控制棒引导路径的控制杆引导机构10 （内部通道15和外部通道16），其在形成在芯体中的反应性控制通道中被分成内部和外部，并且在每个控制杆引导路径中独立地驱动和上升/下降控制棒; 用于关闭的控制杆20在内部通道15中上升/下降，用于调节快速反应堆的启动和停止期间的反应性; 以及用于补偿的控制杆30在外部通道13中上升/下降，用于随着时间的推移恢复反应性下降，反应性值小于用于关闭的控制棒20的反应性值。版权所有（C）2011，JPO＆INPIT

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