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    Apparatus for lifting graphite electrodes
    1.
    发明授权
    Apparatus for lifting graphite electrodes 有权

    公开(公告)号：US12010785B2

    公开(公告)日：2024-06-11

    申请号：US18343896

    申请日：2023-06-29

    申请人： EXO Technologies LLC

    发明人： Mark Koenig ,  James J. Hansen, Jr.

    IPC分类号： H05B7/102

    CPC分类号： H05B7/102

    摘要： A lifting adaptor configured to lift a graphite electrode includes a main body having a threaded end to secure the lifting adaptor to threads of the graphite electrode, and a lifting component coupled to the main body opposite the threaded end to lift the graphite electrode. The threaded end of the main body may comprise a non-graphite material with a coefficient of thermal expansion (CTE) similar to Invar, within +/−0 to 1 (μm/(m K)) over a range from room temperature to 400 degrees Fahrenheit.

    ELECTRODE FEED DEVICE
    2.
    发明申请
    ELECTRODE FEED DEVICE 有权

    公开(公告)号：US20220256683A1

    公开(公告)日：2022-08-11

    申请号：US17610994

    申请日：2020-05-11

    申请人： PLENESYS

    发明人： Sabri TAKALI ,  Ahmed KACEM

    IPC分类号： H05H1/34 ,  B23K10/00 ,  H05B7/102

    摘要： An electrode feed device for a plasma torch installation including an element for fastening an active electrode, movable in translation along a longitudinal axis of the active electrode, wherein it further has a magazine including compartments each adapted to receive an electrode amongst a plurality of additional electrodes, a system or moving the compartments, configured to place an additional electrode amongst the plurality of additional electrodes in alignment with a current active electrode along the longitudinal axis, an assembly device configured to fasten a proximal end of the current active electrode and a distal end of the additional electrode end-to-end, so that they form together a new active electrode.

    Electric furnace with insulated electrodes and process for producing molten metals
    4.
    发明授权
    Electric furnace with insulated electrodes and process for producing molten metals 失效
    带绝缘电极的电炉和生产熔融金属的工艺

    公开(公告)号：US5912916A

    公开(公告)日：1999-06-15

    申请号：US982455

    申请日：1997-12-02

    申请人： Charles F. Hendrix

    发明人： Charles F. Hendrix

    IPC分类号： H05B7/06 ,  C21B11/10 ,  C21B13/12 ,  C21C1/08 ,  C21C5/52 ,  F27B3/08 ,  H05B7/07 ,  H05B7/102 ,  H05B7/107 ,  H05B7/14 ,  H05B7/18 ,  H05B7/10

    CPC分类号： C21B13/12 ,  C21B11/10 ,  C21C1/08 ,  C21C5/52 ,  H05B7/07 ,  H05B7/102 ,  H05B7/107 ,  H05B7/14 ,  Y02P10/216 ,  Y02P10/256 ,  Y02P10/259

    摘要： An electric arc furnace having a partially insulated electrode produces molten metal such as foundry iron from an iron source where little or no slag is produced. The furnace includes at least one insulated electrode assembly for immersing deep into the metal charge. The electrode assembly has an electrically conducting member coupled to an electrode. The electrode has a coupling member at the upper end for coupling with the electrically conducting member and a coupling member at the lower end for coupling with an adjacent electrode to form an electrode column. The coupling members can be an internally threaded recess in the ends thereof. An externally threaded coupling member can be threaded into the recesses of the electrodes for coupling two or more electrodes together.

    摘要翻译： 具有部分绝缘电极的电弧炉从铁源中产生诸如铸铁的熔融金属，其中很少或没有产生渣。 该炉包括至少一个绝缘电极组件，用于将深度浸入金属电荷中。 电极组件具有耦合到电极的导电构件。 电极在上端具有耦合构件，用于与导电构件耦合，并在下端具有耦合构件，用于与相邻电极耦合以形成电极柱。 联接构件可以是其端部中的内螺纹凹部。 外螺纹联接构件可以拧入电极的凹槽中，以将两个或更多个电极耦合在一起。

    Remelting arc furnace with movable electrode
    5.
    发明授权
    Remelting arc furnace with movable electrode 失效
    用可动电极重熔电弧炉

    公开(公告)号：US5260966A

    公开(公告)日：1993-11-09

    申请号：US936034

    申请日：1992-08-26

    申请人： Peter Schottlaender

    发明人： Peter Schottlaender

    IPC分类号： F27B3/08 ,  F27D1/00 ,  F27D1/18 ,  H05B7/102

    CPC分类号： H05B7/102 ,  F27B3/085 ,  F27D1/1816 ,  F27D2001/0066

    摘要： A remelting furnace has a crucible (2) and a raisable pot (3) placed thereon. An electrode rod (6) leads into the pot (3) through a stuffing box (8) borne by a lower platform (9). The lower platform (9) is carried by rods (12, 13) which are fastened each at its upper end to a weighing platform (14). The connection of the lower platform (9) to the particular rod (12, 13) is performed in each case through a releasable clutch (10,11 ). Consequently, a lifter (17) can lift the pot (3) such that it shifts upwardly with the bottom platform (9) relative to the rods (12, 13).

    摘要翻译： 重熔炉具有坩埚（2）和放置在其上的可升高的锅（3）。 电极棒（6）通过由下平台（9）承载的填料箱（8）引入锅（3）。 下平台（9）由杆（12,13）承载，杆（12,13）的上端分别固定在称重平台（14）上。 通过可释放离合器（10,11），下平台（9）与特定杆（12,13）的连接在每种情况下都被执行。 因此，升降器（17）可以提升锅（3），使得其相对于杆（12,13）与底平台（9）向上移动。

    Electrode holders having differential clamping devices
    6.
    发明授权
    Electrode holders having differential clamping devices 失效

    公开(公告)号：US4182927A

    公开(公告)日：1980-01-08

    申请号：US930976

    申请日：1978-08-04

    申请人： Donald L. Phillips

    发明人： Donald L. Phillips

    IPC分类号： H05B7/103 ,  H05B7/102

    CPC分类号： H05B7/103

    摘要： An electrode holder for an electric arc furnace electrode, comprising a holder body having a cylindrically curved internal surface for engaging the electrode, a clamping shoe movable relative to the body and having a cylindrically curved portion for engaging the electrode, a piston having an axial rod member connected to the clamping shoe, cylinder means connected to the holder body and having a cylinder bore slidably receiving the piston, said cylinder bore having first and second chambers therein communicating with the opposite sides of the piston, the cylinder means having first and second port means for admitting fluid pressure to the respective first and second chambers, an axial guide shaft member on the piston and extending therefrom in a direction opposite from the direction of the rod member, the cylinder means having a guide opening therein slidably receiving and guiding the guide shaft member, and compression spring means mounted around the guide shaft member and compressed between the piston and the cylinder means for exerting a resilient biasing force on the piston for biasing the clamping shoe into clamping engagement with the electrode, the clamping engagement being released by fluid pressure supplied to the first chamber to move the piston in opposition to the spring means, the clamping force exerted by the clamping shoe being increased by fluid pressure supplied to the second chamber for exerting force on the piston to supplement the resilient force of the spring means. The spring means may comprise a stack of compressible curved spring discs having openings for slidably receiving the guide shaft member. The guide opening may be formed by a reduced guide bore in an end member of the cylinder means. A second piston may be connected coaxially in tandem with the first mentioned piston and may be slidable in a second cylinder bore in the cylinder means, to develop supplementary releasing and clamping forces.