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    • 4. 发明授权
    • Method for operation of flash smelting furnace
    • 闪电熔炼炉操作方法
    • US4824362A
    • 1989-04-25
    • US154355
    • 1988-02-11
    • Takayoshi KimuraYasuo OjimaYoshiaki Mori
    • Takayoshi KimuraYasuo OjimaYoshiaki Mori
    • C22B15/00C22B5/02C22B5/14C22B23/02F27D3/00F27B19/02
    • C22B5/02C22B5/14
    • A method of operating a flash smelting furnace which includes a reaction shaft, a concentrate burner disposed at the top of the reaction shaft, a settler disposed with one end thereof connected to the lower part of the reaction shaft, an uptake disposed as connected to the other end of the settler, and at least one lance pipe disposed through the ceiling of the settler between the reaction shaft and the uptake and adapted to permit forced supply of at least powdery raw materials and a reaction gas into the melt in the settler includes the steps of blowing the powdery raw materials containing only a small amount of incombustible substances and the reaction gas into the reaction shaft through the concentrate burner, blowing powdery raw materials containing at least incombustible substances through the lance pipe, and employing means capable of at least retaining the heat of the melt.
    • 一种操作闪蒸熔炼炉的方法,其包括反应轴,设置在反应轴顶部的浓缩燃烧器,设置在其一端连接到反应轴下部的沉淀器, 沉降器的另一端和至少一个穿过沉淀器的天花板的喷枪管在反应轴和吸收之间设置,并且适于允许至少粉状原料和反应气体强制供应到沉降器中的熔体中,包括 通过浓缩燃烧器将仅含有少量不燃物质的粉末原料和反应气体吹入反应轴的步骤,通过喷枪吹送至少含有不可燃物质的粉末状原料,并使用能够至少保持 熔体的热量。
    • 5. 发明授权
    • Method of treating the slag from a copper converter
    • 从铜转炉处理炉渣的方法
    • US4707185A
    • 1987-11-17
    • US823631
    • 1986-01-29
    • Takayoshi KimuraSeiichi TsuyuguchiYoshiaka Mori
    • Takayoshi KimuraSeiichi TsuyuguchiYoshiaka Mori
    • C22B7/04C22B15/00C22B15/04C22B15/06
    • C22B15/006C22B15/0036C22B15/0043C22B15/0054
    • A method of treating the slag from a copper converter comprises introducing the molten slag from a copper converter into a furnace having tuyeres through which air can be blown into the molten slag, blowing into the slag through the tuyeres at least 6% by weight of pulverized coal with air or oxygen-enriched air having an oxygen content of 21 to 40% by volume to separate molten metallic copper from the slag, the amount of the air having a ratio of 0.3 to 0.7 to theoretical combustion of the coal, adding a source of sulfur to the separated copper to form a molten matte, maintaining the matte at a reduced pressure not exceeding 0.6 mm Hg for at least five minutes in a vacuum refining apparatus to remove impurities from the matte by volatilization, and treating the refined matte in a copper converter used for the treatment of a matte produced by a smelting furnace.
    • 从铜转化器处理炉渣的方法包括将来自铜转炉的熔渣引入到具有风口的炉子中,空气可以通过该风口吹入熔渣中,通过风嘴吹入至少6重量%粉碎的炉渣中 煤与空气或富氧空气的氧含量为21至40体积%以将熔融的金属铜与炉渣分离,空气的量与煤的理论燃烧比例为0.3至0.7,添加源 的硫分散到分离的铜以形成熔融的哑光,在真空精炼装置中将锍保持在不超过0.6mm Hg的压力下至少5分钟,以通过挥发除去锍中的杂质,并将处理的精细锍 铜转炉用于处理冶炼炉生产的无光泽。