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    • 3. 发明授权
    • Reactor containment vessel
    • 反应堆安全壳
    • US5211906A
    • 1993-05-18
    • US615921
    • 1990-11-20
    • Shigeo HatamiyaMasanori NaitohYoshiyuki KataokaHiroaki SuzukiIsao SumidaToshitsugu NakaoKanehiro OchiaiTsuyoshi NiinoMasataka HidakaTohru FukuiRyuhei Kawabe
    • Shigeo HatamiyaMasanori NaitohYoshiyuki KataokaHiroaki SuzukiIsao SumidaToshitsugu NakaoKanehiro OchiaiTsuyoshi NiinoMasataka HidakaTohru FukuiRyuhei Kawabe
    • G21C13/00G21C15/18
    • G21C13/00G21C15/18Y02E30/40
    • A pressure control chamber of a reactor containment vessel for receiving the atmosphere of the reactor containment vessel containing leakage steam developing in the event of an accident includes a pressure control pool, and a wet well disposed above the pressure control pool. The wet well is divided into an inner peripheral portion and an outer peripheral portion. The inner and outer peripheral portions are communicated with each other via the pressure control pool. An outlet port for flowing the atmosphere of the reactor containment vessel containing the leakage steam is provided at the inner peripheral side of the pressure control pool. When the atmosphere of the reactor containment vessel containing the leakage steam is introduced into the pressure control pool in the event of the accident, this atmosphere is condensed by the water in the pressure control pool, and the gas of this atmosphere not condensed is accumulated in the inner peripheral portion of the wet well. As a result, the pressure within the inner peripheral portion is increased to increase the water level of the pressure control pool at the outer peripheral portion, so that the area of contact of a reactor containment vessel wall with the pressure control pool water is increased, thereby enhancing a heat radiation performance of the reactor containment vessel.
    • 用于接收包含在发生事故的情况下发生的泄漏蒸汽的反应堆容纳容器的气氛的反应堆容纳容器的压力控制室包括压力控制池和设置在压力控制池上方的湿井。 湿井分为内周部和外周部。 内外周部经由压力控制池相互连通。 在压力控制池的内周侧设置有用于使含有泄漏蒸汽的反应堆容纳容器的气流流出的出口。 当发生事故时,含有泄漏蒸汽的反应堆容纳容器的气氛被引入压力池中,该压力控制池中的水被浓缩,而且未浓缩的该气氛气体被积聚在 湿井的内周部分。 结果,增加了内周部分内的压力,以增加外周部分的压力控制池的水位,从而增加了反应堆容器壁与压力控制池水的接触面积, 从而提高反应堆容纳容器的散热性能。
    • 5. 发明授权
    • Reactor cooling system for boiling water reactors
    • 沸水堆反应堆冷却系统
    • US5349616A
    • 1994-09-20
    • US53372
    • 1993-04-28
    • Takashi NakayamaKanehiro OchiaiMasaki Matsumoto
    • Takashi NakayamaKanehiro OchiaiMasaki Matsumoto
    • G21C15/18
    • G21C15/18G21Y2002/206G21Y2002/50G21Y2004/30Y02E30/31
    • A reactor cooling system for boiling water reactors comprises a pressure vessel containing a core of a boiling water reactor, a static core injection system including a first water source installed at a position higher than the pressure vessel and a first core injection line communicating the first water source with the pressure vessel, and having a capacity not less than 100% of the capacity necessary to maintain submergence of the core in the pressure vessel, and a plurality of dynamic core injection systems each including a second water source, a second core injection line communicating the second water source with the pressure vessel, and a pump provided in the second core injection line, and each having a capacity not less than 50 % of the capacity necessary to maintain submergence of the core in the pressure vessel. Even when the plurality of dynamic core injection systems fail to inject water in a satisfactory manner, the static core injection system having capacity not less than 100% of the capacity necessary to maintain the submergence of the core is operated to start water injection, whereby the submergence of the core can be surely achieved.
    • 用于沸水反应堆的反应堆冷却系统包括含有沸水反应堆核心的压力容器,包括安装在高于压力容器的位置的第一水源的静态核心注射系统和连通第一水的第一芯注入管线 来源于压力容器,并且具有不小于将芯保持在压力容器中的浸没所需能力的100%的容量;以及多个动态芯注射系统,每个动态芯注射系统包括第二水源,第二芯注射管线 将第二水源与压力容器连通,以及设置在第二芯线注入管线中的泵,并且每个具有不小于保持芯在压力容器中的浸没所需容量的50%的能力。 即使当多个动态注射系统不能以令人满意的方式注入水时,具有不小于保持芯的淹没所需的容量的100%的静态芯注射系统被操作以开始注水,由此, 核心的淹没可以肯定地实现。