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    • 3. 发明授权
    • Nuclear reactor equipped with a core catcher
    • 核反应堆配备核心捕手
    • US5263066A
    • 1993-11-16
    • US963601
    • 1992-10-20
    • Imre SzaboFrancois BalardYves BergamaschiGian L. FioriniJean GeffroyJean-Marie Seiler
    • Imre SzaboFrancois BalardYves BergamaschiGian L. FioriniJean GeffroyJean-Marie Seiler
    • G21C9/016
    • G21C9/016Y02E30/32
    • In order to ensure the recovery and confinement of the core of a nuclear reactor, such as a pressurized water reactor, in the case of a serious accident leading to its melting or meltdown, it is proposed that below the reactor vessel (16) be placed a receptacle (20) able to evacuate the water accumulated below the vessel (16) in the initial phase of the accident and then collect the molten core debris. The water automatically flows through overflow and siphon devices (46, 50) into a cooling space (40) located below the receptacle. If the meltdown of the core (18) has been detected, the water contained in tanks (56) flows by gravity into the space (40), so as to entirely immerse the containers (26) placed in said space. The molten core traversing the bottom of the vessel (16) flows into the receptacle (20) and then into containers (26) via meltable plugs (32) and a natural convection flow is established between the tanks (56) and the space (40) in order to ensure cooling. Fall absorbers or dampers (76) are placed in the receptacle (20) for the case where the bottom of the vessel (16) drops in a single block.
    • 为了确保在核反应堆(例如压水反应堆)的核心的恢复和限制,在导致其熔化或熔化的严重事故的情况下,建议在反应堆容器(16)的下面放置 容器(20),能够在事故的初始阶段将积聚在容器(16)下面的水排出,然后收集熔融的核心碎屑。 水自动流过溢流和虹吸装置(46,50)进入位于容器下方的冷却空间(40)。 如果已经检测到核心(18)的熔化,则容器(56)中容纳的水通过重力流入空间(40),从而完全浸没放置在所述空间中的容器(26)。 穿过容器(16)底部的熔融芯通过可熔塞(32)流入容器(20)然后进入容器(26),并且在罐(56)和空间(40)之间建立自然对流 )以确保冷却。 对于容器(16)的底部以单个块落下的情况,落下的吸收器或阻尼器(76)被放置在容器(20)中。
    • 4. 发明授权
    • Radiation-tight coupling arrangement for a machining laser
    • 用于加工激光的辐射紧密耦合布置
    • US4491717A
    • 1985-01-01
    • US342885
    • 1982-01-26
    • Jean GeffroyCharles GlachetMaurice MoulinJean P. Noel
    • Jean GeffroyCharles GlachetMaurice MoulinJean P. Noel
    • B23K26/14B23K26/02B23K26/12G02B27/00G21C19/34G21C19/37G21C19/375G21F7/005H01S3/00
    • B23K26/123B23K26/02B23K26/12B23K26/127B23K26/128G21C19/34
    • A radiation-tight coupling arrangement for coupling a machining laser to a hot cell containing radioactive material, comprising a cell flange integrally formed on the confinement wall which defines a cell opening, a cell door formed to interlock tightly with the cell flange, thereby closing the cell opening, an elongated container movably arranged in the sleeve and having a container flange defining a container opening and connected by a sealing bellows, a container door formed to interlock tightly with the container flange and to interlock with the cell door when the container flange interlocks with the cell flange, and a machining line translationally arranged in the container. When the container is in a retracted position, a radiation blocking drum intervenes between the cell opening and the container opening. The radiation blocking drum is rotated to allow the container to translate toward the cell. As a result of rotation of the container, the container flange interlocks with the cell flange and the container door interlocks with the cell door. The container door and cell door are then removed in tandem, allowing the machine head of the machining line to be inserted into the hot cell. The laser beam passes through the machine head and impinges on the radioactive material to be cut.
    • 一种用于将加工激光耦合到包含放射性材料的热电池的辐射密封耦合装置,包括整体形成在限制壁上的电池凸缘,所述电池凸缘一体地形成在限定壁上,所述电池凸缘限定电池开口,电池门形成为与电池凸缘紧密地互锁, 电池开口,可移动地布置在套筒中并具有限定容器开口并通过密封波纹管连接的容器凸缘的细长容器,容器门形成为与容器凸缘紧密地互锁并且当容器凸缘互锁时与电池门互锁 与电池凸缘以及在容器中平移地设置的加工线。 当容器处于缩回位置时,辐射阻挡鼓介于电池开口和容器开口之间。 旋转辐射阻挡鼓使容器朝向电池平移。 作为容器旋转的结果,容器凸缘与电池凸缘互锁,并且容器门与电池门互锁。 然后串联拆卸集装箱门和电池门,允许加工线的机头插入热电池。 激光束通过机头并撞击要切割的放射性物质。