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    • 2. 发明公开
    • 냉도가니 용융법을 이용한 산화금속물 도가니 하부 방출방법과 그 장치
    • 使用冷硬化熔炼方法从可溶性底部排出金属氧化物的方法和装置
    • KR1020020084340A
    • 2002-11-07
    • KR1020010023209
    • 2001-04-28
    • 한국원자력연구원한국수력원자력 주식회사
    • 홍성완민병태김희동
    • F27B14/16
    • PURPOSE: A method and an apparatus are provided to discharge the molten metal oxides at a desired time by coercively breaking the sintering layer after forming a thin sintering layer on a stopper of the bottom of a crucible in case of discharging molten metal oxides. CONSTITUTION: The method for discharging molten metal oxides from the bottom of a crucible using cold crucible melting method comprises the processes of filling powder of metal oxides after forming an outlet on the bottom of the crucible and closing the outlet using a stopple, and setting up a reaction gas releasing rod after charging a metal ring that is an initial inducer; smoothly releasing gas by operating a high frequency heating unit after filling metal oxides again and removing the reaction gas releasing rod; obtaining a molten material on the upper surface of which a sintering layer is smoothly formed; installing thermometers at cooling water channels of entrance and exit of the stopple so that the stopple is opened at temperature in which the sintering layer is thinned; and breaking the sintering layer with a drilling device to release the molten material. The apparatus for discharging molten metal oxides from the bottom of a crucible using cold crucible melting method comprises a cold crucible(11) on the outer part of which an induction coil(12) of a high frequency heating unit is coiled, and which comprises a cooling water tube of a cooler and a cooling water distribution chamber; an outlet(13) that is formed at the lower part of the cold crucible(11); a stopple(14) for closing or opening the outlet; a stopple moving device for operating the stopper; a drilling unit(26) for drilling hole on a sintering layer of molten material formed on the outlet(13); and a drilling unit moving device for operating the drilling unit.
    • 目的:提供一种方法和装置,用于在排出熔融金属氧化物的情况下,在坩埚底部的塞子上形成薄的烧结层之后通过强制断裂烧结层来在期望的时间排出熔融金属氧化物。 构成:使用冷坩埚熔融法从坩埚底部排出熔融金属氧化物的方法包括在坩埚底部形成出口之后填充金属氧化物的粉末并使用塞子封闭出口的步骤,并设置 在作为初始诱导剂的金属环充电后的反应气体释放棒; 通过在再次填充金属氧化物之后操作高频加热单元并除去反应气体释放棒来平稳地释放气体; 在其上表面上获得平滑地形成烧结层的熔融材料; 将温度计安装在止动器入口和出口的冷却水通道处,使烧瓶在烧结层变薄的温度下打开; 并用钻孔装置破碎烧结层以释放熔融材料。 使用冷坩埚熔融法从坩埚底部排出熔融金属氧化物的装置包括:冷却坩埚(11),其外部部分高频加热单元的感应线圈(12)被卷绕,并且包括 冷却器的冷却水管和冷却水分配室; 形成在所述冷坩埚(11)的下部的出口(13); 用于关闭或打开出口的止动件(14); 用于操作止动器的止动器移动装置; 用于在形成在出口(13)上的熔融材料的烧结层上钻孔的钻孔单元(26); 以及用于操作钻井单元的钻井单元移动装置。
    • 3. 发明授权
    • 열교환식 피동형 원자로 노심 용융물 냉각장치
    • 被动式换热器冷却装置,用于反应器容器
    • KR101233327B1
    • 2013-02-14
    • KR1020110094741
    • 2011-09-20
    • 한국원자력연구원한국수력원자력 주식회사
    • 민병태홍성완김환열송진호김종환
    • G21C15/18
    • Y02E30/40G21C15/257G21C15/182G21Y2002/50G21Y2004/302
    • PURPOSE: A heat exchange type cooling device for passive reactor core melt is provided to increase cooling efficiency by using a non-contact cooling method and a direct cooling method. CONSTITUTION: A cooling water supply unit supplies cooling water. A cooling tank(146) cools core melt by using the cooling water. The cooling tank includes an outer container(147), an inner container(150), a sacrifice concrete layer(148), and one or more heat exchangers(160). A double cylindrical container is composed of the outer container and the inner container. The sacrifice concrete layer is arranged in the inner container. A heat exchanger is installed to be protruded from a lower side of the sacrifice concrete layer. The cooling water is filled inside of the heat exchanger and a space between the outer container and the inner container.
    • 目的:提供一种用于无源反应堆芯熔体的热交换式冷却装置,以通过使用非接触式冷却方法和直接冷却方法来提高冷却效率。 构成:冷却水供应单元提供冷却水。 冷却槽(146)通过使用冷却水冷却芯熔体。 冷却箱包括外容器(147),内容器(150),牺牲混凝土层(148)和一个或多个热交换器(160)。 双筒状容器由外容器和内容器构成。 牺牲混凝土层布置在内部容器中。 安装热交换器从牺牲混凝土层的下侧突出。 冷却水填充在热交换器的内部以及外部容器和内部容器之间的空间。
    • 8. 发明授权
    • 노외 증기 폭발 방지 장치 및 그 방법
    • 一种用于防止外部蒸汽爆炸的系统及其方法
    • KR100873647B1
    • 2008-12-12
    • KR1020070065468
    • 2007-06-29
    • 한국원자력연구원한국수력원자력 주식회사
    • 홍성완민병태김종환박익규하광순홍성호김희동백원필
    • G21C9/06
    • Y02E30/40
    • An apparatus and a system for preventing ex-vessel steam explosion inside a reactor cavity is provided to reduce a repair and installation cost by preventing steal explosion due to reaction of a coolant with a fused material of a high temperature. An ex-vessel steam explosion device includes a gas injection unit(100), a sensing unit(200), and a controller. The gas injection unit supplies the gas to the coolant received in a reactor cavity(500). The sensing unit is installed in the reactor cavity of a lower part of a reactor vessel(400). The sensing unit senses the discharge of the core melt material from the reactor vessel. The controller controls the operation of the gas injection unit according to the sensing signal from the sensing unit. A gas injection unit includes a pressurized gas tank(110), a gas injection pipe line(160), and a plurality of gas spray nozzles(170). The pressurized gas tank is installed outside the reactor cavity. The pressurized gas tank stores the gas of the high pressure to be injected to the coolant inside the reactor cavity. The gas injection pipe line supplies the pressurized gas supplied from the pressurized gas tank to the reactor cavity. The gas spray nozzle is formed in an end part of several gas injection pipeline installed in the reactor cavity. The gas spray nozzle is formed so that the injected gas is sprayed to the center of the reactor cavity. The glass filter which is the porous material is mounted in the gas injection nozzle for forming a minute bubble inside the coolant.
    • 提供了一种用于防止反应堆腔内的过热蒸汽爆炸的装置和系统,用于通过防止冷却剂与高温熔融材料的反应而发生的偷窃来减少维修和安装成本。 一种容器外蒸汽爆炸装置包括气体注入单元(100),感测单元(200)和控制器。 气体注入单元将气体供应到容纳在反应器腔(500)中的冷却剂。 感测单元安装在反应堆容器(400)的下部的反应器腔中。 感测单元感测来自反应堆容器的芯熔体材料的排出。 控制器根据来自感测单元的感测信号控制气体注入单元的操作。 气体注入单元包括加压气体罐(110),气体注入管线(160)和多个气体喷嘴(170)。 加压气罐安装在反应堆腔外。 加压气罐将要喷射的高压气体储存在反应堆空腔内的冷却剂中。 气体注入管线将从加压气罐供应的加压气体供应到反应器腔。 气体喷嘴形成在安装在反应器腔中的几个注气管道的端部。 形成气体喷嘴,使注入的气体喷射到反应器腔的中心。 作为多孔材料的玻璃过滤器安装在气体喷射喷嘴中,用于在冷却剂内形成微小的气泡。