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    • 1. 发明专利
    • Spent fuel storage facility
    • 空气燃料储存设施
    • JP2013145161A
    • 2013-07-25
    • JP2012005364
    • 2012-01-13
    • Toshiba Corp株式会社東芝
    • IWAKI CHIKAKOABE SATORUSHINOZAKI FUMITOKOMATSU YUTA
    • G21C19/07
    • PROBLEM TO BE SOLVED: To suitably remove decay heat of spent fuel stored in a spent fuel storage pool even when all the power supplies are lost.SOLUTION: A spent fuel storage facility 10 has: a spent fuel storage pool 11 for removing decay heat of spent fuel by allowing spent fuel A to sink in pool water 15; and a pool water cooling purification system 12 provided with a pump 17 and a heat exchanger 19 for leading the pool water to a heat exchanger for cooling by the drive of the pump and returning the pool water to the spent fuel storage pool. The spent fuel storage facility 10 also has: a heat pipe 13 having an evaporating section 21 that is immersed in the pool water 15 in the spent fuel storage pool 11, and a condensing section 22 that is positioned above the water surface of the pool water; and a tube-like object 14 having the condensing section of the heat pipe therein and a passage 23 that is defined between the condensing section and the tube-like object for allowing air to flow.
    • 要解决的问题:即使在所有电源丢失时,也能适当地去除存储在乏燃料储存池中的乏燃料的腐蚀热。解决方案:废燃料储存设备10具有:用于去除腐蚀热的废燃料储存池11 乏燃料通过允许乏燃料A沉入池水15; 以及设置有泵17和热交换器19的池水冷却净化系统12,用于将池水引导到换热器以通过泵的驱动冷却并将池水返回到废燃料储存池。 废燃料储存设备10还具有:具有浸没在废燃料储存池11中的池水15中的蒸发部21的热管13和位于池水的水面上方的冷凝部22 ; 以及其中具有热管的冷凝部分的管状物体14和限定在冷凝部分和管状物体之间以允许空气流动的通道23。
    • 2. 发明专利
    • Nuclear power plant heat transport apparatus and heat transport method
    • 核电厂热交换装置和热交换方法
    • JP2014149176A
    • 2014-08-21
    • JP2013016907
    • 2013-01-31
    • Toshiba Corp株式会社東芝
    • ABE SATORUSHIOYAMA TSUTOMUIWAKI CHIKAKOKATSUKI RYOJIKOMATSU YUTAMOCHIDA HIROYUKIKATAYAMA KENJIRO
    • G21C19/07F28D15/02G21C17/035G21D3/04
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To improve cooling capability and reliability of a heat transport apparatus by always monitoring a refrigerant amount and inject or discharge the refrigerant so that the amount maintains to be a specified amount while the heat transport apparatus operates.SOLUTION: The heat transport apparatus comprises: a heat receiver 1 with at least one heat receiving tube 1a installed in a cooling object pool 21; a vapor-phase refrigerant transfer pipe 3 for transferring a vapor-phase refrigerant 5a generated in the heat receiver to a radiator 2; a liquid refrigerant transfer pipe 4 for transferring a liquid-phase refrigerant 5b condensed in the radiator to the heat receiver; a liquid level measurement device 8 provided to measure a liquid level of the refrigerant at a location lower than the top end of the heat receiver 1; and at least one refrigerant injection pipe 6 and one refrigerant discharge pipe 7 connected to the liquid refrigerant transfer pipe 4.
    • 要解决的问题:通过总是监测制冷剂量并喷射或排出制冷剂,以便在热输送装置运转时,将量保持在规定量来提高热运输装置的冷却能力和可靠性。解决方案:热运输 装置包括:具有安装在冷却对象池21中的至少一个热接收管1a的热接收器1; 用于将在热接收器中产生的气相制冷剂5a转移到散热器2的气相制冷剂传递管3; 用于将在散热器中冷凝的液相制冷剂5b转移到热接收器的液体制冷剂输送管4; 液面测量装置8,用于测量在比受热器1的顶端低的位置的制冷剂的液位; 以及与液体制冷剂输送管4连接的至少一个制冷剂注入管6和一个制冷剂排出管7。
    • 3. 发明专利
    • Pressurized water reactor
    • 加压水反应器
    • JP2013044646A
    • 2013-03-04
    • JP2011182681
    • 2011-08-24
    • Toshiba Corp株式会社東芝
    • WATANABE KATSUNOBUIKEDA HIROSHIABE SATORUIKEDA TATSUMIHIRATA YOSUKE
    • G21C15/02
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To suppress fluid excitation vibration generated in a core internal structure by reducing excitation force due to a flow of a coolant in a downcomer part in a reactor pressure vessel of a pressurized water reactor.SOLUTION: The pressurized water reactor includes: a reactor pressure vessel 1; a core barrel 2 forming an annular flow passage part 9 between the core barrel 2 and an inside surface of the reactor pressure vessel 1; a plurality of coolant outlet nozzles 5a, 5b and a plurality of coolant inlet nozzles 4a to 4d formed on the side face of the reactor pressure vessel 1; and a flow resistance board 21 arranged in the annular flow passage part 9 to equalize flow velocity distribution of the coolant allowed to flow from the coolant inlet nozzles 4a to 4d under the annular flow passage part 9.
    • 要解决的问题:通过减少由于压水反应堆的反应堆压力容器中的降液管部分中的冷却剂流动引起的激励力来抑制芯部内部结构中产生的流体激励振动。 压力水反应堆包括:反应堆压力容器1; 芯筒2在芯筒2和反应堆压力容器1的内表面之间形成环形流路部分9; 多个冷却剂出口喷嘴5a,5b和形成在反应堆压力容器1的侧面上的多个冷却剂入口喷嘴4a至4d; 以及布置在环形流路部分9中的流阻板21,以均衡在环形流动通道部分9下方从冷却剂入口喷嘴4a至4d流动的冷却剂的流速分布。(C)2013 ,JPO&INPIT
    • 4. 发明专利
    • Heat transport apparatus, and cooling device of reactor containment vessel
    • 热交换装置和反应堆容器的冷却装置
    • JP2012251693A
    • 2012-12-20
    • JP2011123454
    • 2011-06-01
    • Toshiba Corp株式会社東芝
    • ABE SATORUKOYAMA YASUHEI
    • F28D15/02G21C15/18G21C15/257
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a heat transport apparatus which automatically operates without an external power, and has a high cooling capability and high flexibility in design.SOLUTION: The heat transport apparatus of a loop type heat pipe has a riser tube 1, a defoaming device 5 provided at an upper end of the riser tube 1, an upper communicating tube 3 having an end connected with the defoaming device 5 and the other end connected with a condenser 6, a downcomer tube 2 connected with the condenser 6, a lower communicating tube 4 that communicates the lower part of the downcomer tube 2 and a lower part of the riser tube 1, and a working fluid 8 that circulates each tube, wherein at least the riser tube 1 and the defoaming device 5 compose a heat receiving part 11, and at least the condenser 6 and the downcomer tube 2 compose a cooling part 12. The riser tube 1 has a diameter enlarging part 7 whose diameter enlarges from the lower side to the upper side, and the defoaming device 5, the upper part communicating tube 2, and the condenser 6 have a free interface of a gas phase and a liquid phase.
    • 要解决的问题:提供一种在没有外部电力的情况下自动运行并具有高冷却能力和高设计灵活性的热输送装置。 解决方案:环形热管的热输送装置具有提升管1,设置在提升管1的上端的消泡装置5,具有与消泡装置5连接的端部的上连通管3 另一端连接有冷凝器6,与冷凝器6连接的降液管2,连通下降管2的下部和提升管1的下部的下连通管4和工作流体8 每个管循环,其中至少提升管1和消泡装置5组成热接收部分11,并且至少冷凝器6和降液管2组成冷却部分12.提升管1具有直径扩大部分 其直径从下侧扩大到上侧,消泡装置5,上部连通管2和冷凝器6具有气相和液相的自由界面。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Heat transporting device
    • 热交换装置
    • JP2013224779A
    • 2013-10-31
    • JP2012096831
    • 2012-04-20
    • Toshiba Corp株式会社東芝
    • ABE SATORUKOYAMA YASUHEITSUKINARI YUKIKOMATSU YUTAMOCHIDA HIROYUKI
    • F28D15/02
    • PROBLEM TO BE SOLVED: To provide a highly-efficient heat transporting device which is automatically operable without any external power and also has a high heat transporting ability.SOLUTION: A heat transporting device includes: a riser 1 for receiving heat from the outside; a downcomer 2 for radiating heat to the outside; an upper part communicating pipe 3 for connecting the riser with an upper part of the downcomer; a lower part communicating pipe 4 for connecting the riser with a lower part of the downcomer; and a working fluid 22 circulating through each pipe. At least one heat exchanging part 5 is provided around the upper part communicating pipe 3 so as to allow the working fluid 22 in the lower part communicating pipe 4 to circulate through the heat exchanging part 5.
    • 要解决的问题:提供一种高效的热输送装置,其能够在没有任何外部动力的情况下自动操作,并且还具有高热传递能力。热交换装置包括:用于从外部接收热量的提升管1; 用于向外部散热的降液管2; 用于将提升管与降液管的上部连接的上部连通管3; 下部连通管4,用于将提升管与降液管的下部连接; 以及循环通过每个管道的工作流体22。 在上部连通管3的周围设置有至少一个热交换部5,以使下部连通管4内的工作流体22通过热交换部5循环。
    • 6. 发明专利
    • Heat transport device of fuel pool
    • 燃油池热交换装置
    • JP2013133989A
    • 2013-07-08
    • JP2011283730
    • 2011-12-26
    • Toshiba Corp株式会社東芝
    • ABE SATORUHIRATA YOSUKEYANAGISAWA NAOMICHISHINOZAKI NORITOKOMATSU YUTA
    • F28D15/02G21C19/07
    • PROBLEM TO BE SOLVED: To provide a heat transport device of a fuel pool capable of stably cooling fuel pool water for a long time without the usage of external power.SOLUTION: The heat transport device 10 of the fuel pool 32 includes an ascending pipe 1 for receiving heat from the pool water 6 of the fuel pool 32 under the water surface, an upper communication pipe 3 arranged above the water surface of the fuel pool 32 and connected to an upper end of the ascending pipe 1, a lower communication pipe 4 connected to a lower end of the ascending pipe 1, a descending pipe 2 connected to the upper communication pipe 3 and the lower communication pipe 4, and a heat insulating part 5 covering an upper side of the ascending pipe 1 and a lower side of the descending pipe 2. The specific gravity of the heat insulating part 5 is smaller than the specific gravity of the pool water 6 so that the heat transport device 10 floats on the water surface of the fuel pool 32.
    • 要解决的问题:提供一种能够长时间稳定地冷却燃料池水的燃料池的热量输送装置,而不需要使用外部电力。解决方案:燃料池32的热传输装置10包括上升管1 为了从水面下方的燃料池32的游泳池水6接收热量,配置在燃料池32的水面上方并与上游管1的上端连接的上部连通管3,下部连通配管4 连接到上升管1的下端,连接到上连通管3和下连通管4的下降管2,以及覆盖上升管1的上侧的隔热部5和 隔热部件5的比重小于游泳池水6的比重,使得热量输送装置10浮在燃料池32的水面上。
    • 8. 发明专利
    • Internal structure of nuclear reactor
    • 核反应堆内部结构
    • JP2012141298A
    • 2012-07-26
    • JP2011272379
    • 2011-12-13
    • Toshiba Corp株式会社東芝
    • IWAKI CHIKAKOIKEDA TATSUMIYAMAMOTO TETSUZOWATANABE KATSUNOBUABE SATORUUCHIDA KENSATO HISAKIOKUDA TAKESHIITO KIICHI
    • G21C15/02
    • G21C15/02G21C5/10G21C13/02Y02E30/32
    • PROBLEM TO BE SOLVED: To uniformize primary coolant flowing down in a downcomer in a circumferential direction and provide the uniformly distributed primary coolant to fuel assemblies.SOLUTION: The internal structure of a nuclear reactor comprises: a reactor pressure vessel 1 to which multiple inlet nozzles 4 are connected; a core barrel 3 surrounding a number of fuel assemblies 2; a downcomer 6 formed between the reactor pressure vessel 1 and the core barrel 3; and a radial key 23 which is arranged at a lower part of the downcomer 6 and positions the core barrel 3 and the reactor pressure vessel 1. The radial key 21 includes an inside member provided on a side of the core barrel 3, and an outside member provided on a side of the reactor pressure vessel 1, and a flow path is provided between the outside member and the inside member.
    • 要解决的问题:使在下降管中沿周向向下流动的一次冷却剂均匀化并且向燃料组件提供均匀分布的一次冷却剂。 解决方案:核反应堆的内部结构包括:多个入口喷嘴4连接的反应堆压力容器1; 围绕多个燃料组件2的芯筒3; 形成在反应堆压力容器1和芯筒3之间的降液管6; 以及设置在降液管6的下部并且定位芯筒3和反应堆压力容器1的径向键23.径向键21包括设置在芯筒3的一侧的内部构件和外部 设置在反应堆压力容器1的一侧,并且在外部构件和内部构件之间设置有流动路径。 版权所有(C)2012,JPO&INPIT