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    • 1. 发明申请
    • PRODUCING STAINLESS STEELS IN PARALLEL OPERATED VESSELS
    • 生产的不锈钢平行机动船
    • WO9728285A2
    • 1997-08-07
    • PCT/DE9700171
    • 1997-01-27
    • MANNESMANN AGROSE LUTZVORWERK HARTMUTKAPPES HORSTULRICH KLAUS
    • ROSE LUTZVORWERK HARTMUTKAPPES HORSTULRICH KLAUS
    • C21C5/52C21C7/068
    • C21C7/0685C21C5/5264Y02P10/216
    • The invention concerns a method of producing stainless steels, in particular special steels containing chromium and chromium-nickel. The method, which is carried out in a smeltery comprising at least two vessels and supplying a steel foundry, comprises the following steps: a) the charge, substantially consisting of solid and/or liquid raw materials, in particular scrap, containing metallic iron and alloy carriers of which some contain carbon, is melted down in a first vessel; b) when a temperature of 1460 DEG C is reached, the smelt is decarburized to a carbon content of less than 0.3 % by blasting with oxygen or oxygen mixtures and is heated to a tapping temperature of between 1620 and 1720 DEG C; c) the smelt is then brought to a final carbon content of less than 0.1 %; and d) simultaneously with the decarburizing blasting of the charge in the first vessel, a second charge is smelted in the second vessel.
    • 本发明涉及一种用于制造不锈钢,特别是铬和chromnickelhaltiger不锈钢,至少两个容器,其包括熔融装置,用于提供一个Stahlgiessanlage,包括以下步骤:(a)在第一容器中,电荷基本上由固体和 /或液体金属原料,特别是废料,并在含有熔融某些情况下碳合金的载体,(b)中达到1460℃的温度后,将熔融物通过吹入氧气或氧的混合物,直到碳含量<0.3%脱碳含铁和 敲击的1620温度至1720℃下加热,(C)然后,以<0.1%的最终碳含量容纳,其中,(d)在除了在第二容器中的第二电荷的配合料熔化过程的脱碳吹炼中,第一容器中同时进行 ,