CONTINUOUS ELECTROREFINING DEVICE FOR RECOVERING METAL URANIUM
    1.
    发明申请
    CONTINUOUS ELECTROREFINING DEVICE FOR RECOVERING METAL URANIUM 审中-公开
    用于回收金属铀的连续电极装置

    公开(公告)号:US20100084265A1

    公开(公告)日:2010-04-08

    申请号:US12574709

    申请日:2009-10-07

    IPC分类号: C25C7/08

    CPC分类号: C25C7/08 C25C3/34 C25C5/04

    摘要: Disclosed is a continuous electrorefining device for recovering metal uranium. The electrorefining device comprises an electrolytic cell 10 having an internal accommodating space filled with electrolyte; a cathode unit 20 including a top plate 22, connecting rods 21 whose top ends are joined to the top plate 22, and cathode electrodes 24 whose top end is joined to lower plates; an anode unit 40 which is placed in a cylinder shape surrounding the cathode electrodes 24; a uranium recovery unit 50 for drawing out the uranium metal by a first drawing-out means; and a transition metal recovery unit 60 for drawing out the metal particles by a second drawing-out means. The cathode unit 20 further comprises an insulating and vibration absorbing member that is interposed between the top plate 22 and the cover plate 12; and a vibration means which is mounted on the top plate 22 to transmit vibration and impact force to the cathode electrode 24 through the connecting rods 21.

    摘要翻译: 公开了一种用于回收金属铀的连续电解精炼装置。 电解精制装置包括:电解槽10,其具有填充有电解质的内部容纳空间; 包括顶板22的阴极单元20,其顶端接合到顶板22的连接杆21和其顶端接合到下板的阴极电极24; 阳极单元40,其以围绕阴极电极24的圆筒形状放置; 用于通过第一抽出装置抽出铀金属的铀回收单元50; 以及用于通过第二抽出装置拉出金属颗粒的过渡金属回收单元60。 阴极单元20还包括介于顶板22和盖板12之间的绝缘和振动吸收构件; 以及安装在顶板22上以通过连接杆21向阴极电极24传递振动和冲击力的振动装置。

    Corrosion resistant structural alloy for electrolytic reduction equipment for spent nuclear fuel
    2.
    发明授权
    Corrosion resistant structural alloy for electrolytic reduction equipment for spent nuclear fuel 有权
    用于乏核燃料的电解还原设备的耐腐蚀结构合金

    公开(公告)号:US08197748B2

    公开(公告)日:2012-06-12

    申请号:US12338110

    申请日:2008-12-18

    IPC分类号: C25B11/04 C22C19/05

    CPC分类号: C25C7/02 C22C19/058

    摘要: Disclosed is a structural alloy with oxidation resistance for electrolytic reduction equipment for treatment of spent nuclear fuel. More particularly, the present invention relates to a structural alloy with oxidation resistance for electrolytic reduction equipment for treatment of spent nuclear fuel wherein Cr, Si, Al, Nb and Ti are added to a Ni-based substrate so as to form an oxide coating film which is stable in a LiCl—Li2O molten salt and, in addition, a process thereof and use of the same.

    摘要翻译: 公开了一种用于废核燃料处理的电解还原设备的具有抗氧化性的结构合金。 更具体地,本发明涉及一种用于处理乏核燃料的电解还原设备的抗氧化结构合金,其中将Cr,Si,Al,Nb和Ti加入到Ni基基底中以形成氧化物涂膜 其在LiCl-Li 2 O熔融盐中是稳定的,此外,其方法和用途。

    Continuous electrolytic refining device for metal uranium
    4.
    发明申请
    Continuous electrolytic refining device for metal uranium 审中-公开
    金属铀连续电解精炼装置

    公开(公告)号:US20080296151A1

    公开(公告)日:2008-12-04

    申请号:US11889540

    申请日:2007-08-14

    IPC分类号: C25C7/00

    CPC分类号: C25C7/005 C25C3/34

    摘要: Disclosed herein is a continuous electrolytic refining device for metal uranium, the device comprising a cathode section fixed to the lower side of the heat radiation plate, and having a plurality of graphite cathodes; an anode section encompassing the cathode section to face the cathode section, rotatably fixed to the lower side of the heat radiation plate, and receiving the used nuclear fuel; an electrolytic cell receiving the cathode section and the anode section and filled with electrolytes so as to sink the cathode section and the anode section; an uranium collecting section collecting metal uranium deposited on and detached from the graphite cathode in the lower side of the cathode section inside the electrolytic cell and withdrawing the collected metal uranium to the outside of the electrolytic cell; and a transition metal collecting section coupled with the lower side of the electrolytic cell to withdraw the transition metal particles released from the anode section and collected in the lower side of the electrolytic cell, in order to collect high pure uranium deposits and metal transition elements created in an electrolysis process without stopping an electrolysis process, not including a scrapping process.

    摘要翻译: 本文公开了一种用于金属铀的连续电解精炼装置,该装置包括固定到散热板的下侧的阴极部分,并具有多个石墨阴极; 阳极部分,其包围阴极部分以面对阴极部分,可旋转地固定到散热板的下侧,并且接收使用的核燃料; 接收阴极部分和阳极部分并充满电解质以使阴极部分和阳极部分沉降的电解池; 收集沉积在电解槽内的阴极部分下侧的石墨阴极上分离的金属铀并将收集的金属铀抽出到电解池外部的铀收集部分; 以及与电解槽的下侧连接的过渡金属收集部,以将从阳极部释放的过渡金属粒子收集在电解槽的下侧,以收集高纯铀沉积物和金属过渡元素 在电解过程中不停止电解过程,不包括报废过程。

    Preparation method of uranium metal and apparatus thereused
    5.
    发明授权
    Preparation method of uranium metal and apparatus thereused 有权
    铀金属及其设备的制备方法

    公开(公告)号:US08177952B2

    公开(公告)日:2012-05-15

    申请号:US11649407

    申请日:2007-01-03

    IPC分类号: C25C3/34

    CPC分类号: C25C3/34 C25C7/025

    摘要: Disclosed herein is a method of preparing uranium metal by electrorefining uranium metal, comprising: applying a predetermined current to an anode electrode included in an anode basket receiving fuel segments made of uranium metal and a cathode electrode of carbon material; electrodepositing uranium on the cathode electrode in accordance with the reaction initiated by the applied current; and collecting the electrodeposited uranium by self-weight. An apparatus for electrorefining uranium metal used in the method according to the present invention, comprises: an anode basket (6) receiving fuel segments made of uranium metal and comprising an anode electrode; and a reactor including a cathode electrode (5) made of carbon material and a uranium collector (10) therein. According to the method of the present invention having the above mentioned constitution and the apparatus thereof, it is possible to separate only pure uranium metal with a high capability from the spent metal nuclear fuels conveniently and economically.

    摘要翻译: 本文公开了一种通过电解铀金属制备铀金属的方法,包括:将预定电流施加到阳极柱中,所述阳极电极包括接收由铀金属制成的燃料段的阳极筐和碳材料的阴极电极; 根据施加电流引发的反应,在阴极上电沉积铀; 并通过自重收集电沉积的铀。 在本发明的方法中使用的用于电解铀金属的装置包括:阳极筐(6),其容纳由铀金属制成并包括阳极电极的燃料段; 以及包括由碳材料制成的阴极电极(5)和铀收集器(10)的反应器。 根据具有上述结构的本发明的方法及其装置,可以方便和经济地将仅具有高性能的纯铀金属与废金属核燃料分开。

    CZOCHRALSKI APPARATUS FOR GROWING CRYSTALS AND PURIFICATION METHOD OF WASTE SALTS USING THE SAME
    6.
    发明申请
    CZOCHRALSKI APPARATUS FOR GROWING CRYSTALS AND PURIFICATION METHOD OF WASTE SALTS USING THE SAME 有权
    用于生长晶体的方法和使用其的废物的纯化方法

    公开(公告)号:US20090139444A1

    公开(公告)日:2009-06-04

    申请号:US12062463

    申请日:2008-04-03

    IPC分类号: C30B15/08

    摘要: Disclosed are a czochralski apparatus for growing crystals and a purification method of waste salts using the same. More particularly, the present invention provides a czochralski apparatus for growing crystals comprising screw thread for fixing salt crystals mounted on a pulling bar of the apparatus in order to prevent desorption of crystals caused by load thereof during a crystal growing process without requiring alternative seed crystals and, in addition, a method for purification of waste salts, which can isolate impurities from molten waste salts using a czochralski crystal growing process without alternative adsorption medium, does not generate secondary wastes and may continuously purify the waste salts.

    摘要翻译: 公开了用于生长晶体的切克萨斯基装置和使用其的废盐的净化方法。 更具体地说,本发明提供了一种用于生长晶体的切克拉斯基装置,其包括用于固定安装在装置的拉杆上的盐晶的螺纹,以防止在晶体生长过程中由其负载引起的晶体的解吸,而不需要另外的晶种, 此外,使用不含替代吸附介质的切克萨斯基晶体生长方法可以从熔融废盐中分离杂质的废盐的净化方法不会产生二次废物,并且可以连续净化废盐。

    Method for preparing tantalum or niobium powders used for manufacturing capacitors
    8.
    发明申请
    Method for preparing tantalum or niobium powders used for manufacturing capacitors 审中-公开
    制造用于制造电容器的钽或铌粉末的方法

    公开(公告)号:US20070295609A1

    公开(公告)日:2007-12-27

    申请号:US11473605

    申请日:2006-06-23

    IPC分类号: C25C3/00

    摘要: Disclosed relates to a method for preparing tantalum or niobium powders used for manufacturing capacitors in an electrolytic reducing reactor including an anode, a cathode and a molten salt, the method comprising: obtaining a tantalum or niobium oxide, expressed by Ta2O(5-y) or Nb2O(5-y) where y=2.5 to 4.5, from a tantalum pentoxide Ta2O5 or a niobium pentoxide Nb2O5 generated partially by an alkaline metal electrolytically reduced via a first electrolytic reducing reaction that reduces an alkaline metal oxide from a molten salt comprising at least one metal halogen compound, selected from the group consisting of alkaline metal and alkaline earth metal, and an alkaline metal oxide on the cathode; and preparing a tantalum or niobium powder by a first electrolytic reducing reaction that reduces at least one metal halogen compound selected from the group consisting of the alkaline metal oxide and the alkaline earth metal on the cathode and by a second reducing reaction with the tantalum or niobium oxide, represented by Ta2O(5-y) or Nb2O(5-y) where y=2.5 to 4.5.

    摘要翻译: 本发明涉及一种制备用于在包括阳极,阴极和熔融盐的电解还原反应器中制造电容器的钽或铌粉末的方法,所述方法包括:获得由Ta 2表示的钽或铌氧化物, (5-y)或Nb 2 O(5-y)其中y = 2.5至4.5,从五氧化二钽 或通过碱金属部分地生成的五氧化二铌Nb 2 O 5 O 3,其通过电解还原的碱金属 第一电解还原反应,其从包含至少一种选自碱金属和碱土金属的金属卤素化合物和阴极上的碱金属氧化物的熔融盐中降低碱金属氧化物; 并通过第一次电解还原反应来制备钽或铌粉末,该反应在阴极上还原至少一种选自碱金属氧化物和碱土金属的金属卤素化合物,并通过与钽或铌的第二次还原反应 氧化物,由Ta 2 O(5-y)或Nb 2 O(5-y)表示,其中 y = 2.5〜4.5。