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    • 2. 发明授权
    • Radioactive debris trap
    • 放射性碎片陷阱
    • US08619942B2
    • 2013-12-31
    • US13871506
    • 2013-04-26
    • Babcock & Wilcox Canada Ltd.
    • Franz E Steinmoeller
    • G21C19/42
    • G21C19/42B01D21/0003B01D21/0042B01D21/2427F22B37/002G21C19/307G21D1/006G21F9/04Y02E30/40
    • A radioactive debris trap to be installed in a steam generator for removing debris in the primary flow of a nuclear power plant's primary heat transport system. The debris trap includes an outer cylinder and a coaxial inner cylinder both having a top end and a bottom end. A top plate connects the top ends of the outer and inner cylinders. A bottom plate which encloses the trap is connected to the bottom end of the outer cylinder. There is a gap between the bottom end of the inner cylinder and the bottom plate through which primary flow enters a settling chamber located in an annular gap between the outer and inner cylinders. Several small holes are located at the top end of the outer cylinder through which liquid exits the debris trap. A means for fixedly connecting the debris trap to the steam generator is provided on the outer surface of the outer cylinder. Also included is a means for removing the radioactive debris trap from the steam generator without exposing personnel to excessive radiation.
    • 要安装在蒸汽发生器中的放射性碎片陷阱,用于清除核电厂主要热交换系统主流中的碎屑。 碎片捕集器包括外筒和同轴的内筒,两者都具有顶端和底端。 顶板连接外筒和内筒的顶端。 封闭收集器的底板连接到外筒的底端。 在内筒的底端和底板之间存在间隙,主流通过该间隙进入位于外筒和内筒之间的环形间隙中的沉降室。 外筒的顶端有几个小孔,液体通过该小孔离开碎屑陷阱。 在外筒的外表面上设置有用于将碎屑捕获器固定地连接到蒸汽发生器的装置。 还包括用于从蒸汽发生器中除去放射性碎片捕集器的手段,而不会使人员过度辐射。
    • 4. 发明申请
    • APPARATUS FOR RECOVERING RESIDUAL SALT FROM THE REDUCED URANIUM METAL
    • 从减少的铀金属中回收残留盐的装置
    • US20120244041A1
    • 2012-09-27
    • US13221569
    • 2011-08-30
    • Ik-Soo KIMSun-Seok HONGJin-Mok HURHansoo LEE
    • Ik-Soo KIMSun-Seok HONGJin-Mok HURHansoo LEE
    • B01J19/00
    • G21C21/02G21C19/42
    • Disclosed herein is an apparatus for recovering residual salt from the reduced uranium metal. The apparatus comprising: an evaporating chamber accommodating mixed molten salt or a reduced uranium metal; a heating furnace surrounding the evaporating chamber to heat the mixed molten salt in the evaporating chamber; an insulator disposed over the evaporating chamber to block heat generated from the evaporating chamber, and including an evaporating pipe in a center thereof to move vapor generated from the evaporating chamber; a receiver disposed over the insulator to collect powder formed by condensing and solidifying vapor passing through the evaporating pipe; and a condenser disposed over the receiver to prevent the vapor passing through the evaporating pipe from leaking out of the apparatus.
    • 本文公开了一种从还原铀金属中回收残余盐的装置。 该装置包括:容纳混合熔融盐或还原铀金属的蒸发室; 围绕蒸发室的加热炉,以加热蒸发室中的混合熔盐; 设置在所述蒸发室上方的绝缘体,以阻挡从所述蒸发室产生的热量,并且在其中心包括蒸发管,以移动从所述蒸发室产生的蒸气; 设置在绝缘体上的接收器,用于收集通过蒸发管冷凝和凝固蒸气形成的粉末; 以及设置在接收器上方的冷凝器,以防止通过蒸发管的蒸汽泄漏出设备。
    • 8. 发明授权
    • Installation for carrying out several successive chemical reactions in
the same container
    • 安装在同一容器中进行几次连续的化学反应
    • US5328662A
    • 1994-07-12
    • US942295
    • 1992-09-09
    • Gilbert RingotPierre Digard
    • Gilbert RingotPierre Digard
    • B01J4/02B01J19/00G01N35/10G21C19/42G01N35/00
    • G01N35/1016G21C19/42G01N2035/102
    • The disclosure describes an apparatus for performing at least two successive chemical reactions in the same container. In order to successively carry out several chemical reactions in the same container (10), e.g. dosing uranium in the presence of plutonium and fission products, the container is placed in a working station above which issue tubes (16, 20) for supplying the products necessary for the reactions. When a product has to be introduced, a computer controls the descent of the corresponding tube. When the product may react inopportunely if it drops into the container (10) outside the time intended for this purpose, the lower end of the product supply tube (16) is automatically laterally displaced with respect to the container, when the tube is in the top position, e.g. by the cooperation of a pawl (102) with a slot (100) forming a cam.
    • 本公开描述了用于在同一容器中进行至少两次连续的化学反应的装置。 为了在相同的容器(10)中依次进行几个化学反应,例如 在钚和裂变产物存在下计量铀时,将容器放置在工作站内,在该工作站上方发出用于提供反应所必需的产物的管(16,20)。 当必须引入产品时,计算机控制相应管的下降。 当产品在适合于此目的的时间之外可能不适当地反应到容器(10)中时,当管子处于该容器中时,产品供应管(16)的下端自动地相对于容器横向移位 顶部位置,例如 通过棘爪(102)与形成凸轮的槽(100)的配合。
    • 9. 发明授权
    • Fuel rod reprocessing plant
    • 燃油棒后处理厂
    • US4261952A
    • 1981-04-14
    • US932731
    • 1978-08-10
    • Milton J. Szulinski
    • Milton J. Szulinski
    • G21C19/07G21C19/38G21C19/42
    • G21C19/42G21C19/07G21C19/38Y02W30/881
    • A plant for the reprocessing of fuel rods for a nuclear reactor comprises a plurality of rectangular compartments desirably arranged on a rectangular grid. Signal lines, power lines, pipes, conduits for instrumentation, and other communication lines leave a compartment just below its top edges. A vehicle access zone permits overhead and/or mobile cranes to remove covers from compartments. The number of compartments is at least 25% greater than the number of compartments used in the initial design and operation of the plant. Vacant compartments are available in which replacement apparatus can be constructed. At the time of the replacement of a unit, the piping and conduits are altered to utilize the substitute equipment in the formerly vacant compartment, and it is put on stream prior to dismantling old equipment from the previous compartment. Thus the downtime for the reprocessing plant for such a changeover is less than in a traditional reprocessing plant.
    • 用于核反应堆的燃料棒的后处理设备包括多个矩形隔室,该矩形隔室理想地布置在矩形网格上。 信号线,电源线,管道,仪器管道和其他通信线路将隔间留在其顶部边缘的正下方。 车辆通行区允许架空和/或移动式起重机从隔间移除盖。 隔室的数量比工厂初始设计和运行中使用的隔间数量大至少25%。 可提供空置隔间,可在其中构建更换设备。 在更换一个单元时,更换管道和管道以利用原来空置的替代设备,并在从旧隔间拆除旧设备之前投入运行。 因此,这种转换的后处理厂的停机时间要小于传统的后处理厂。