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    • 2. 发明专利
    • Hydrogen treating system and hydrogen treating method
    • 氢处理系统和氢处理方法
    • JP2013246100A
    • 2013-12-09
    • JP2012121262
    • 2012-05-28
    • Toshiba Corp株式会社東芝
    • TAWARA MIKAHIOKI HIDEAKINAKAMARU MIKIHIDEAOKI KAZUYOSHIMURAKAMI KAZUOMIYAGAWA TAKUYAMISHIN SHIGEHIROTANABE MASASHIOSAWA YASUO
    • G21D3/08G21C9/00G21C9/04G21F9/02
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a system and a method that can quickly perform hydrogen treatment even when events in each of which a large quantity of hydrogen is generated simultaneously occur at a plurality of plants, while suppressing a maintenance and management load at normal time to a minimum.SOLUTION: A first hydrogen treating system 20A comprises: a blower 22 for sucking an atmosphere gas via taking-out piping 23a (23b) for taking out the atmosphere gas from a containment vessel 1 surrounding a reactor pressure vessel 3 accommodating a reactor core therein and an isolation valves 21a (21b) installed in the taking-out piping 23a (23b); an emergency power source 24A for supplying power to the blower 22; and portable containers 32 for guiding the gas introduced from an introduction port to a derivation port via hydrogen removal treating materials filled therein. The first hydrogen treating system 20A is provided with a flow passage that guides the atmosphere gas sucked by the blower 22 via connection piping 27 to the portable containers 32 and returns the atmosphere gas from which hydrogen is removed in the portable containers 32 to an inside of the containment vessel 1 via return piping 33 and isolation valves 34 installed in the return piping 33.
    • 要解决的问题:提供即使在多个工厂同时发生大量氢的事件的同时发生的事件也能够快速进行氢处理的系统和方法,同时抑制正常时的维护和管理负荷 第一氢处理系统20A包括:鼓风机22,用于通过取出管道23a(23b)吸取气氛气体,用于从围绕反应堆压力容器3收容的容纳容器1取出气氛气体, 反应堆核心和安装在取出管道23a(23b)中的隔离阀21a(21b)。 用于向鼓风机22供电的应急电源24A; 以及便携式容器32,用于将从引入口引入的气体经由其中填充的除氢处理材料引导至衍生端口。 第一氢处理系统20A设置有将通过连接管道27将鼓风机22吸入的气氛气体引导到便携式容器32的流路,并将从便携式容器32中的氢被除去的气氛气体返回到 安全壳1通过返回管路33和安装在返回管路33中的隔离阀34。
    • 4. 发明专利
    • Cooling device for reactor containment vessel
    • 用于反应器容器的冷却装置
    • JP2012230032A
    • 2012-11-22
    • JP2011099120
    • 2011-04-27
    • Toshiba Corp株式会社東芝
    • KURITA TOMOHISAYAMADA MASATOTAWARA MIKAKOJIMA YOSHIHIROHIRAI HIDEOMIYAGAWA TAKUYA
    • G21C15/18G21C9/004
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a passive cooling device for a reactor containment vessel, which can maintain pressure reduction and heat removal capabilities of a reactor and the reactor containment vessel over a long period.SOLUTION: A cooling device for a reactor containment vessel includes: a building 3 containing a reactor containment vessel 2; a static containment vessel cooling device 10 installed on a ground surface outside the building 3; a heat exchanger chamber 11 which is installed adjacent to the static containment vessel cooling device 10 and in which a heat exchanger 12 and a drain chamber 13 are arranged; a heat transfer pipe 18 of the heat exchanger 12, which is arranged at a lower part in the static containment vessel cooling device 10; a vapor release pipe 7 connecting the inside of the reactor containment vessel 2 to the heat exchanger 12; and a seawater introduction pipe 22 connected to a bottom of the static containment vessel cooling device 10 via a check valve 23. The heat transfer pipe 18 is positioned lower than a low water level at low tide.
    • 要解决的问题:提供一种用于反应堆容纳容器的被动冷却装置,其可以长期保持反应堆和反应堆安全壳的压力降低和除热能力。 解决方案:用于反应堆安全壳的冷却装置包括:包含反应堆容纳容器2的建筑物3; 安装在建筑物3外部的地面上的静态容纳容器冷却装置10; 设置在与静电容器冷却装置10相邻的热交换器室11,其中布置有热交换器12和排出室13; 热交换器12的传热管18布置在静止容器冷却装置10的下部; 蒸汽释放管7,其将反应堆容纳容器2的内部连接到热交换器12; 以及通过止回阀23连接到静电容器冷却装置10的底部的海水导入管22.传热管18在低潮时位于低水位以下。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Leakage water collector, nuclear power plant and leakage monitoring method
    • 泄漏水收集器,核电厂和泄漏监测方法
    • JP2010237070A
    • 2010-10-21
    • JP2009086030
    • 2009-03-31
    • Toshiba Corp株式会社東芝
    • SHIMIZU TAKEOTAWARA MIKAARIMA YUKIHAMAZAKI RYOICHIMIYAGAWA TAKUYA
    • G21C9/016G21C17/02G21D1/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To reduce risks on the breakdown of a core catcher due to a delay in water injection in case of a core damage accident and those on steam explosion in case of a drop of a molten core.
      SOLUTION: A nuclear power plant includes a corium holding vessel 62 which is placed below a reactor vessel 1 inside a containment vessel 2 and opens upward, structures such as pedestal walls 14 forming a cooling flow channel 50 extending along outside faces to exit below the rim of the opening of the vessel, feedwater piping 12 for supplying cooling water to the cooling flow channel 50, feedwater valves 8 mounted on the feedwater piping 12, and a drain accumulation lid 5 for covering the opening. The use of the cooling flow channel 50 as a drain waste liquid sump brings the full-time existence of the cooling water in the cooling flow channel 50.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了减少由于核心损坏事故造成的注水延迟引起的核心捕集器故障的风险,以及在熔融芯的下降时蒸汽爆炸的风险。 解决方案:核电站包括一个放置在容器2内的反应容器1的下面并向上开放的ium保持容器62,诸如底座壁14的结构形成一个沿着外表面延伸的冷却流道50 在容器的开口的边缘下方,用于向冷却流路50供给冷却水的给水管道12,安装在给水管12上的给水阀8,以及用于覆盖开口的排水积存盖5。 使用冷却流路50作为排水废液池,在冷却流路50中全部存在冷却水。版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Nuclear reactor building and construction method for the same
    • 核反应堆建筑及其构造方法
    • JP2010160061A
    • 2010-07-22
    • JP2009002588
    • 2009-01-08
    • Toshiba Corp株式会社東芝
    • YOKOYAMA SHIGEKIUKAI MAKOTOTAKAHASHI MUNETAKAHIRAI HIDEOMIYAGAWA TAKUYATANABE MASASHI
    • G21C1/00G21C13/00G21C11/02
    • G21C13/02Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a nuclear reactor building and a construction method for the same avoiding interference between a containment vessel penetrating part of a containment vessel made of steel and a building module having a steel plate concrete structure and shortening the construction period.
      SOLUTION: The nuclear reactor building 2 stores a containment vessel 1 having a plurality of containment vessel penetrating parts 3 therearound and has a steel plate concrete structure including a biological shielding wall 4 installed in the outside of the containment vessel. The containment vessel includes a plurality of blocks horizontally divided, and each block has one or a plurality of the containment vessel penetrating parts 3 on the same horizontal plane. The nuclear reactor building 2 including the biological shielding wall 4 includes a plurality of modules divided by the horizontal plane.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种核反应堆建筑物及其构造方法,以避免与钢板混凝土结构的建筑模块和具有钢板混凝土结构的建筑模块之间的干扰, 期。 解决方案:核反应堆2存储具有多个安全壳穿透部分3的安全壳1,并且具有包括安装在安全壳外部的生物屏蔽壁4的钢板混凝土结构。 容纳容器包括水平分割的多个块,每个块在同一水平面上具有一个或多个容纳容器穿透部3。 包括生物屏蔽壁4的核反应堆2包括被水平面划分的多个模块。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Reactor containment vessel and nuclear power plant using it
    • 使用它的反应器容纳船和核电厂
    • JP2009150846A
    • 2009-07-09
    • JP2007330918
    • 2007-12-21
    • Toshiba Corp株式会社東芝
    • SATO TAKASHIOTONARI JUNICHIROFUJIKI YASUNOBUMIYAGAWA TAKUYASATO HISAKI
    • G21C9/004G21C13/00
    • G21C15/18G21C9/004G21C13/00G21Y2002/304G21Y2004/30Y02E30/32
    • PROBLEM TO BE SOLVED: To install a pressure suppression chamber in a large pressurized water reactor.
      SOLUTION: A reactor containment vessel for containing a reactor pressure vessel 2 storing a core 1 of the pressurized water reactor and a steam generator 3 includes a containment vessel body 7, a diaphragm partition 9 for separating the containment vessel body 7 into an upper vessel 10 and a lower vessel 11, the pressure suppression chamber 12 that has a pressure suppression pool 13 capable of storing water and whose gaseous phase section communicates with the upper vessel 10, and a LOCA vent pipe 15 for connecting the pressure suppression pool 13 to the lower vessel 11. An equipment such as the reactor pressure vessel 2 constituting a reactor coolant pressure boundary, or the steam generator 3, and a piping such as cold leg piping 4 or hot leg piping 5 are stored in the lower vessel 11.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:在大型压水反应堆中安装压力抑制室。 解决方案:用于容纳存储加压水反应堆的核心1的反应堆压力容器2和蒸汽发生器3的反应堆容纳容器包括容纳容器主体7,隔膜隔板9,用于将密封容器主体7分离成 上容器10和下容器11,具有能够储存水并且其气相部分与上容器10连通的压力抑制池13的压力抑制室12和用于连接压力抑制池13的LOCA排气管15 构成反应堆冷却剂压力边界的反应堆压力容器2或蒸汽发生器3以及诸如冷腿管4或热腿管5之类的管道的设备被储存在下部容器11中。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Cooling device for reactor containment vessel
    • 用于反应器容器的冷却装置
    • JP2012230033A
    • 2012-11-22
    • JP2011099121
    • 2011-04-27
    • Toshiba Corp株式会社東芝
    • YAMADA MASATOTAWARA MIKAKURITA TOMOHISAKOJIMA YOSHIHIROKOMURO MITSUONODA JUNYAHIRAI HIDEOMIYAGAWA TAKUYA
    • G21C15/18G21C9/004G21C13/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a passive cooling device for a reactor containment vessel, which can maintain pressure reduction and heat removal capabilities of a reactor and the reactor containment vessel over a long period.SOLUTION: A cooling device for a reactor containment vessel 2 includes: a building 3 containing the reactor containment vessel 2; a heat exchanger chamber 10 which is installed outside the building 3 and which houses a static containment vessel cooling device 11 and a heat exchanger 12; a drain chamber 13 which is installed below the heat exchanger chamber 10 and which stores drain water from the heat exchanger 12; a pump chamber 14; and a vapor release pipe 7 connecting the inside of the reactor containment vessel 2 to the heat exchanger 12. The heat exchanger chamber 10 is installed on a ground surface outside the building 3, and a pressure vessel is supplied with the drain water by a pump 15 in the pump chamber 14.
    • 要解决的问题:提供一种用于反应堆容纳容器的被动冷却装置,其可以长期保持反应堆和反应堆安全壳的压力降低和除热能力。 解决方案:用于反应堆安全壳2的冷却装置包括:包含反应堆容纳容器2的建筑物3; 热交换器室10,其安装在建筑物3外部并容纳静态容纳容器冷却装置11和热交换器12; 排水室13,其安装在热交换器室10的下方,并存储来自热交换器12的排水; 泵室14; 以及将反应堆容纳容器2的内部与热交换器12连接的蒸汽排出管7.热交换器室10安装在建筑物3的外部的地面上,通过泵向压力容器供给排水 15,在泵室14中。版权所有(C)2013,JPO&INPIT