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    Process for the decarburization of molten metal
    1.
    发明授权
    Process for the decarburization of molten metal 失效
    熔融金属脱碳工艺

    公开(公告)号：US4512802A

    公开(公告)日：1985-04-23

    申请号：US477001

    申请日：1983-03-21

    申请人： Takeya Tohge

    发明人： Takeya Tohge

    IPC分类号： C21C5/00 ,  C21C5/30 ,  C21C7/068 ,  C21C5/32

    CPC分类号： C21C5/005 ,  C21C5/30 ,  C21C7/0685 ,  C21C2300/06 ,  Y02P10/286

    摘要： A computer implemented process for optimizing the decarburization of a predetermined mass of molten metal by controlling the amount of coolants, the charging time of coolants, the dilution ratio of injected oxygen to inert gas, the changing time of the dilution ratio and the amount of injected gases which includes: considering from a standpoint of kinetic theory the reaction in AOD vessel is composed of following three reactions, i.e., the reaction in the vicinity of tuyeres, the reaction taking place in the ascending process of bubbles and the reaction in the interface between metal and slag; establishing the mathematical Model I; establishing the mathematical Model II calculated capably in short time and kinetically from the result using the mathematical Model I, and from the vessel factor calculated from the data of an actual operation; and further utilizing the mathematical Model II as a controlling program in an actual operation.

    摘要翻译： 一种计算机实施的方法，其通过控制冷却剂的量，冷却剂的充电时间，注入的氧气与惰性气体的稀释比，稀释比的变化时间和注入量来优化预定质量的熔融金属的脱碳 气体包括：从动力学理论的角度考虑，AOD容器中的反应由以下三个反应组成，即风口附近的反应，在气泡上升过程中发生的反应和在气泡的上升过程中的反应 金属和矿渣; 建立数学模型I; 建立数学模型II可以在短时间内动力学地计算，并使用数学模型I和从实际操作数据计算的血管因子动力学计算; 并且在实际操作中进一步利用数学模型II作为控制程序。

    Method of manufacturing thin metal sheet directly from molten metal and apparatus for manufacturing same
    2.
    发明授权
    Method of manufacturing thin metal sheet directly from molten metal and apparatus for manufacturing same 失效
    直接从熔融金属制造薄金属片的方法及其制造方法

    公开(公告)号：US4790368A

    公开(公告)日：1988-12-13

    申请号：US89913

    申请日：1987-08-24

    申请人： Takaji Kusakawa ,  Kazuo Ebato ,  Takeya Tohge ,  Masato Noda ,  Yasuhide Kuroda

    发明人： Takaji Kusakawa ,  Kazuo Ebato ,  Takeya Tohge ,  Masato Noda ,  Yasuhide Kuroda

    IPC分类号： B22D11/06 ,  B22D11/10

    CPC分类号： B22D11/0622 ,  B22D11/064

    摘要： A wide thin metal sheet having a smooth surface may be manufactured directly from molten metal. A lower end of a nozzle installed vertically at the bottom of a molten metal vessel is held in contact with an inclined plate made of a refractory material, molten metal is discharged in a fan-shape from a notch formed in the peripheral wall of the nozzle end, the discharged molten metal being rendered into a constant shape laminar flow having a uniform flow rate distribution on the inclined surface as it flows down the inclined plate. The constant shape laminar flow is supplied to a molten metal pool between a pair of rollers of internally water-cooled type without any disturbance on the surface and in the inside. The metal solidified in the neighborhood of a portion of the gap between the two rollers is discharged from an open-at-the-bottom space defined between the two rollers.

    摘要翻译： 可以直接从熔融金属制造具有光滑表面的宽金属片。 垂直设置在熔融金属容器底部的喷嘴的下端与由耐火材料制成的倾斜板保持接触，熔融金属从形成在喷嘴周壁的凹口中以扇形排出 结束，排出的熔融金属在倾斜面上流动时，在倾斜表面上呈现具有均匀流量分布的恒定形状的层流。 恒定形状的层流被供给到内部水冷式的一对辊之间的熔融金属池中，在表面和内部没有任何干扰。 在两个辊之间的间隙的一部分附近固化的金属从限定在两个辊之间的开放的底部空间排出。