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    Apparatus For Melting Metal By Electron Beams And Process For Producing High-Melting Metal Ingot Using This Apparatus
    1.
    发明申请
    Apparatus For Melting Metal By Electron Beams And Process For Producing High-Melting Metal Ingot Using This Apparatus 有权
    用于通过电子束熔融金属的装置和使用该装置的用于生产高熔点金属锭的方法

    公开(公告)号：US20080105400A1

    公开(公告)日：2008-05-08

    申请号：US11814718

    申请日：2006-01-23

    申请人： Takeshi Shiraki ,  Yoshihiro Hatta ,  Norio Yamamoto

    发明人： Takeshi Shiraki ,  Yoshihiro Hatta ,  Norio Yamamoto

    IPC分类号： B22D27/02

    CPC分类号： C22B9/228 ,  C22B34/1295 ,  Y02P10/212

    摘要： The present invention provides an electron-beam furnace and a melting method that, in producing an ingot by melting a metal with an electron beam, can suppress the contamination of new impurities in the ingot production, are less likely to again result in inclusion of once evaporated impurities from a molten metal pool within a hearth or a mold, and can be improved in utilization rate. The electron-beam furnace for melting a refractory metal includes a feeder unit for raw materials, a melting unit for raw materials, which is connected to the feeder unit for raw materials and, at the same time, is defined by a furnace wall and a ceiling wall, and includes at least a hearth, a water-cooled mold, and an electron gun, and an evacuation unit for exhaust gas connected to the melting unit for raw materials. In this electron beam furnace, at least one of the furnace wall and the ceiling wall is lined with titanium or stainless steel, and in addition, plural fin-shaped members formed of titanium or stainless steel are provided at the ceiling wall. A lining, which can be attached and detached, is provided on the inner face of the electron beam furnace.

    摘要翻译： 本发明提供一种电子束炉和熔融方法，在通过用电子束熔化金属制造锭时，可以抑制锭生产中的新杂质的污染，不太可能再次导致包含一次 在炉床或模具内的熔融金属池中蒸发杂质，并且可以提高利用率。 用于熔化难熔金属的电子束炉包括用于原料的供料单元，用于原料的熔化单元，其连接到原料的供料单元，同时由炉壁和 天花板壁，并且至少包括炉底，水冷模具和电子枪，以及用于连接到用于原材料的熔化单元的废气排出单元。 在该电子束炉中，炉壁和顶壁中的至少一个衬有钛或不锈钢，此外，在顶壁设置有由钛或不锈钢形成的多个鳍状构件。 可以在电子束炉的内表面上设置可拆卸的衬里。

    Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus
    2.
    发明授权
    Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus 有权
    用于通过电子束熔化金属的装置和使用该装置生产高熔点金属锭的方法

    公开(公告)号：US07757748B2

    公开(公告)日：2010-07-20

    申请号：US11814718

    申请日：2006-01-23

    申请人： Takeshi Shiraki ,  Yoshihiro Hatta ,  Norio Yamamoto

    发明人： Takeshi Shiraki ,  Yoshihiro Hatta ,  Norio Yamamoto

    IPC分类号： B22D11/00 ,  B22D27/02

    CPC分类号： C22B9/228 ,  C22B34/1295 ,  Y02P10/212

    摘要： The present invention provides an electron-beam furnace and a melting method that, in producing an ingot by melting a metal with an electron beam, can suppress the contamination of new impurities in the ingot production, are less likely to again result in inclusion of once evaporated impurities from a molten metal pool within a hearth or a mold, and can be improved in utilization rate. The electron-beam furnace for melting a refractory metal includes a feeder unit for raw materials, a melting unit for raw materials, which is connected to the feeder unit for raw materials and, at the same time, is defined by a furnace wall and a ceiling wall, and includes at least a hearth, a water-cooled mold, and an electron gun, and an evacuation unit for exhaust gas connected to the melting unit for raw materials. In this electron beam furnace, at least one of the furnace wall and the ceiling wall is lined with titanium or stainless steel, and in addition, plural fin-shaped members formed of titanium or stainless steel are provided at the ceiling wall. A lining, which can be attached and detached, is provided on the inner face of the electron beam furnace.

    摘要翻译： 本发明提供一种电子束炉和熔融方法，在通过用电子束熔化金属来生产锭料时，可以抑制锭生产中新杂质的污染，不太可能再次导致包含一次 在炉床或模具内的熔融金属池中蒸发杂质，并且可以提高利用率。 用于熔化难熔金属的电子束炉包括用于原料的供料单元，用于原料的熔化单元，其连接到原料的供料单元，同时由炉壁和 天花板壁，并且至少包括炉底，水冷模具和电子枪，以及用于连接到用于原材料的熔化单元的废气排出单元。 在该电子束炉中，炉壁和顶壁中的至少一个衬有钛或不锈钢，此外，在顶壁设置有由钛或不锈钢形成的多个鳍状构件。 可以在电子束炉的内表面上设置可拆卸的衬里。