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    • 4. 发明授权
    • Method for producing metals, such as molten pig iron, steel pre-material
and ferroalloys
    • 生产金属的方法,如生铁,钢预材料和铁合金
    • US4533385A
    • 1985-08-06
    • US558034
    • 1983-12-05
    • Walter LugscheiderPaul MullnerWilhelm SchifferAlois Leutgob
    • Walter LugscheiderPaul MullnerWilhelm SchifferAlois Leutgob
    • C21B11/08C21B11/00C21B13/12C21C5/35C22B4/00C22B5/10
    • C21B13/125C21C5/35C22B4/005
    • With a method for producing metals, the raw material is melted in a metallurgical vessel by at least one plasma burner directed from top to bottom. In order to be able to protect the furnace brickwork from too strong a thermal load exerted by the plasma jet, and to make available the energy supplied by the plasma burner to melting and reducing the fine ore to as large an extent as possible as well as to prevent an agglomeration of the raw material to be used, the raw material is topcharged into the metallurgical vessel in the form of fine particles directed parallel to the plasma jet so as to peripherally surround the same. Oxygen-containing gases and carbon are bottom-blown into the vessel through the melt. A foamed slag is formed in the vessel, surrounding the plasma jet over its total height and the flow of supplied raw material particles peripherally. In an arrangement for carrying out the method the plasma burner is peripherally surrounded by a jacket so as to form a supply space for the fine raw material particles which surrounds the plasma burner peripherally. Nozzles are provided in the bottom of the metallurgical vessel to supply oxygen-containing gas and carbon.
    • 利用金属的制造方法,原料通过至少一个从上到下的等离子体燃烧器在冶金容器中熔化。 为了能够保护炉砌体免受由等离子体射流施加的太强的热负荷,并且使等离子体燃烧器所提供的能量能够将细矿石熔化和还原到尽可能大的程度,以及 为了防止所使用的原料的聚集,将原料以与等离子体射流平行的微粒的形式充入冶金容器中,从而周边地包围它们。 含氧气体和碳通过熔体底吹入容器。 在容器中形成泡沫炉渣,围绕等离子体射流在其总高度和外围供应的原料颗粒的流动。 在执行该方法的布置中,等离子体燃烧器周边地被外套包围,以便在周边等离子体燃烧器周围形成用于细的原料颗粒的供应空间。 在冶金容器的底部设有喷嘴以供应含氧气体和碳。
    • 9. 发明授权
    • Arrangement for producing metals, such as molten pig iron, steel
pre-material and ferroalloys
    • 安排用于生产金属如熔融的生铁,钢预材料和铁合金
    • US4617671A
    • 1986-10-14
    • US696357
    • 1985-01-30
    • Walter LugscheiderPaul MullnerWilhelm SchifferAlois Leutgob
    • Walter LugscheiderPaul MullnerWilhelm SchifferAlois Leutgob
    • C21B11/08C21B11/00C21B13/12C21C5/35C22B4/00C22B5/10H05B7/00
    • C21B13/125C21C5/35C22B4/005
    • With a method for producing metals, the raw material is melted in a metallurgical vessel by at least one plasma burner directed from top to bottom. In order to be able to protect the furnace brickwork from too strong a thermal load exerted by the plasma jet, and to make available the energy supplied by the plasma burner to melting and reducing the fine ore to as large an extent as possible as well as to prevent an agglomeration of the raw material to be used, the raw material is topcharged into the metallurgical vessel in the form of fine particles directed parallel to the plasma jet so as to peripherally surround the same. Oxygen-containing gases and carbon are bottom-blown into the vessel through the melt. A foamed slag is formed in the vessel, surrounding the plasma jet over its total height and the flow of supplied raw material particles peripherally. In an arrangement for carrying out the method the plasma burner is peripherally surrounded by a jacket so as to form a supply space for the fine raw material particles which surrounds the plasma burner peripherally. Nozzles are provided in the bottom of the metallurgical vessel to supply oxygen-containing gas and carbon.
    • 与用于生产金属的方法,所述原料是在冶金容器通过定向从上到下的至少一个等离子燃烧器熔化。 为了能够保护炉内砌砖从由等离子体射流施加过强的热负荷,并且使可用由等离子体燃烧器熔化供给的能量并降低了精矿石以尽可能大的程度尽可能以及 以防止原料的聚集体使用,将原料topcharged到冶金容器中平行引导至等离子流,以便周向地围绕同一微粒的形式。 含氧气体和碳是底吹入穿过熔体的容器中。 形成在容器A泡沫炉渣,围绕在其总高度的等离子流并供给原料颗粒的外周的流动。 在用于执行该方法的装置的等离子体燃烧器外周由护套包围,以便形成用于外围包围等离子燃烧器的细原料颗粒的供给空间。 在冶金容器中供给含有氧气的气体和碳的底部设置的喷嘴。