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    • 1. 发明公开
    • APPARATUS FOR MELTING METAL BY ELECTRON BEAMS AND PROCESS FOR PRODUCING HIGH-MELTING METAL INGOT USING THIS APPARATUS
    • DEVICE熔化电子和方法手段金属生产高低熔点金属铸造积木与此设备
    • EP1845325A1
    • 2007-10-17
    • EP06712160.8
    • 2006-01-23
    • TOHO TITANIUM CO., LTD.
    • SHIRAKI, TakeshiHATTA, YoshihiroYAMAMOTO, Norio
    • F27B17/00F27B3/10
    • F27B17/0016B22D11/001C22B9/228C22B34/1295F27D1/02F27D99/0006F27D2099/003
    • 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.
    • 对本发明的电子束熔化装置和,在通过在电子束与熔融金属在铸块制造,能够抑制在铸锭生产的新的杂质的污染熔融法提供,不太可能再次导致夹杂物的一次 从炉床或在模具内的熔融金属池蒸发的杂质,并且可以在利用率得到改善。 用于熔化高熔点金属的电子束熔化装置包括用于原料供给部,原料熔融部,所有这一切都连接到馈电部为原料,并在在Sametime,由炉壁和限定 天花板,墙壁,并且包括至少一个炉床,一个水冷铸模,以及电子枪,并在抽真空单元,其用于连接到所述熔融部的原材料的废气。 在这种电子束炉,炉壁的至少一个和所述顶壁衬有钛或不锈钢,此外,在顶壁提供了成型钛或不锈钢的多个翅片状部件。 的衬里,其可附接和拆卸,设置在电子束炉的内表面上。