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    • 9. 发明专利
    • Grain refining apparatus and nuclear power plant
    • 谷物精炼设备和核电厂
    • JP2014182016A
    • 2014-09-29
    • JP2013056947
    • 2013-03-19
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • HARA NOBUHIDETANIMOTO KOICHIKONDO YOSHIYUKITAKEI REICHENG LINGAIDA HIROSHINAKATA KEISUKE
    • G21C9/016
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To form a molten material flowing out of a reactor pressure vessel into a shape producing a high cooling effect.SOLUTION: A grain refining apparatus 18 is disposed under a reactor pressure vessel 12 and above a core catcher 14 for cooling the molten material flowing out of the reactor pressure vessel 12. The grain refining apparatus 18 includes a collection unit 18A for collecting the molten material flowing out of the reactor pressure vessel 12, and the collection unit 18A has a discharge hole 18B for discharging the collected molten material to the core catcher 14. The molten material collected by the collection unit 18A passes through the discharge hole 18B to be grain-refined, and is discharged to the core catcher 14, namely drops.
    • 要解决的问题:将从反应堆压力容器流出的熔融材料形成为产生高冷却效果的形状。解决方案:晶粒细化装置18设置在反应堆压力容器12的下面并且位于堆芯捕集器14的上方,用于冷却 熔融材料流出反应堆压力容器12.晶粒细化装置18包括用于收集从反应堆压力容器12流出的熔融材料的收集单元18A,并且收集单元18A具有排出孔18B,用于排出收集的熔融 材料到芯捕获器14.由收集单元18A收集的熔融材料通过排出孔18B进行谷物精制,并且排出到芯捕获器14,即滴落。
    • 10. 发明专利
    • Fluid cooling device
    • 流体冷却装置
    • JP2014020882A
    • 2014-02-03
    • JP2012158958
    • 2012-07-17
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • HARA NOBUHIDEMUKAI YOSHITAKAISHIBASHI TAKASHI
    • G21C9/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a fluid cooling device capable of performing cooling and decompression in a nuclear reactor container in the case of emergency with a simple configuration.SOLUTION: A fluid cooling device includes: a heat exchanger 2 for introducing a working fluid W vaporized by a vaporizer 3 arranged inside a nuclear reactor container 102 to a condenser 4 arranged outside the nuclear reactor container 102 and introducing a working fluid W liquefied by the condenser 4 to the vaporizer 3, to thereby perform heat exchange between the inside and outside of the nuclear reactor container 102; a suction flow passage 15 where one end 15A communicates with the heat exchanger 2 and the other end 15B is allowed to be negative pressure with respect to pressure inside the condenser 4; and a separation valve 16 arranged between the one end 15A and the other end 15B of the suction flow passage 15.
    • 要解决的问题:提供一种在具有简单结构的紧急情况下能够在核反应堆容器中进行冷却和减压的流体冷却装置。解决方案:流体冷却装置包括:热交换器2,用于将工作流体W 由布置在核反应堆容器102内部的蒸发器3蒸发到布置在核反应堆容器102外部的冷凝器4,并将由冷凝器4液化的工作流体W引入蒸发器3,从而进行内部和外部之间的热交换 核反应堆容器102; 一个端部15A与热交换器2连通且另一端15B相对于冷凝器4内的压力为负压的吸入流路15; 以及设置在吸入流路15的一端部15A和另一端部15B之间的分离阀16。