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    • 10. 发明授权
    • Aluminum melting furnace
    • 铝熔炉
    • US3996412A
    • 1976-12-07
    • US541883
    • 1975-01-17
    • Carl W. D. SchaeferRichard L. SchaeferGordon F. Kennedy
    • Carl W. D. SchaeferRichard L. SchaeferGordon F. Kennedy
    • C22B21/00F27B3/08F27B14/00F27B14/06F27B14/08F27D11/02F27D99/00H05B3/00
    • F27B3/08F27B14/06F27B2014/002F27B2014/0875F27D2099/0008F27D2099/0013F27D2099/004F27M2001/01
    • An electrically energized aluminum melting furnace comprises a vessel for supporting molten aluminum and a roof and upper wall structure cooperating with side walls of the vessel to define a heating chamber above the molten aluminum. A plurality of unshielded resistance heating elements are supported by the roof and upper wall structure above the molten aluminum. The molten aluminum has access through a submerged opening to a charging well to which unmelted aluminum is periodically charged without danger that molten aluminum will splash upon the heating elements. Heat conducted from the heating chamber through the body of molten aluminum residing in the vessel is utilized to melt in the charging well the aluminum charged thereto. The melted aluminum in the charging well is permitted to flow through the heating chamber and through a submerged opening to a hot metal well from which hot metal may be withdrawn by any of numerous techniques. The heating chamber is so arranged that an oxide skin is preserved at the surface of the molten aluminum residing within the heating chamber, the oxide skin effecting an efficient transfer of radiant energy received from the resistance heating elements to the molten aluminum. The aforementioned roof and upper wall structure is rested upon furnace walls so as to allow a vertical growth of the furnace walls.
    • 电通铝熔炉包括用于支撑熔融铝的容器和与容器的侧壁配合的顶壁和上壁结构,以在熔融铝上方限定加热室。 多个非屏蔽电阻加热元件由熔融铝上方的屋顶和上壁结构支撑。 熔融铝通过浸没的开口进入充电井,未熔化的铝周期性地进入,而不会使熔融铝溅到加热元件上。 从加热室通过容纳在容器中的熔融铝体引起的热量用于在充电井中熔化装入其中的铝。 允许充电井中的熔融铝流经加热室并通过浸入式开口进入热金属井,通过许多技术中的任何一种可以从该金属井中排出热金属。 加热室被布置成使氧化皮保存在位于加热室内的熔融铝的表面上,氧化皮表面有效地将从电阻加热元件接收的辐射能转移到熔融铝。 上述屋顶和上壁结构搁置在炉壁上,以允许炉壁垂直生长。