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    • 6. 发明授权
    • Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal
    • 从含有金属或金属化合物的炉渣中连续或不连续地提取金属或几种金属的方法
    • US08157884B2
    • 2012-04-17
    • US12309796
    • 2007-10-25
    • Rolf DegelJürgen Kunze
    • Rolf DegelJürgen Kunze
    • C22B4/00C22B7/02
    • C22B7/04C21D5/04C22B4/04C22B4/08C22B5/04C22B5/18C22B15/0054F27B3/045F27B3/085F27D2099/0023Y02P10/212Y02P10/262
    • The invention concerns a method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal, in which the liquefied metal-containing slag is heated in a primary or secondary smelting unit (1). To provide an improved method for extracting metals, especially copper, from slags, the invention provides that the metal-containing slag is heated in a primary or secondary smelting unit (1) designed as an alternating-current electric furnace, and the molten material is then fed from the primary or secondary smelting unit (1) into a furnace (2) designed as a direct-current electric furnace, in which the metal to be extracted is subjected to an electrolytic separation, where a reducing agent in the form of calcium silicide (CaSi), calcium carbide (CaC2), ferrosilicon (FeO), aluminum (Al), and/or reducing gases is added and/or injected into the primary or secondary smelting unit (1).
    • 本发明涉及一种用于从含有金属或金属化合物的炉渣中连续或不连续地提取金属或几种金属的方法,其中含液化金属的炉渣在初级或次级冶炼单元(1 )。 为了提供从炉渣中提取金属,特别是铜的改进方法,本发明提供了在设计为交流电炉的初级或次级冶炼单元(1)中加热金属渣,熔融材料为 然后从主要或次要冶炼单元(1)进料到设计为直流电炉的炉子(2)中,其中待提取的金属进行电解分离,其中以钙的形式存在还原剂 将硅化物(CaSi),碳化钙(CaC 2),硅铁(FeO),铝(Al)和/或还原气体添加和/或注入到初级或次级熔炼单元(1)中。
    • 7. 发明申请
    • Electronic Circuit And Method Of Supplying Electricity ...
    • 电子电路及供电方法
    • US20080123714A1
    • 2008-05-29
    • US11665435
    • 2006-07-24
    • Roland KonigThomas PaschAndreas HaaksRolf Degel
    • Roland KonigThomas PaschAndreas HaaksRolf Degel
    • H05B7/148
    • H05B7/005
    • The invention relates to an electronic circuit and a method for feeding power to at least one electrode of an alternating-current electric-arc furnace, particularly for melting metal. Known circuits of this type typically comprise a series connection with a transformer for providing a supply voltage for the electric-arc furnace from a power grid (1) and a AC power controller (8) connected between the transformer (6) and the electrode (11) for regulating the current through the electrode (11). According to the invention, a further development for such electronic circuits is proposed, which development has a simple design, is inexpensive and prevents overload of the AC power controller (8) even in operating modes of the electric-arc furnaces at high electrode currents. This further development provides to bypass the AC power controller with a bypass switch (9) that is opened or closed with the help of a controller as a function of the amount of current flowing through the electrode (11).
    • 本发明涉及一种用于向交流电弧炉的至少一个电极供电的电子电路和方法,特别是用于熔化金属。 这种类型的已知电路通常包括与变压器的串联连接器,用于从电网(1)和连接在变压器(6)和电极(6)之间的AC电力控制器(8))提供用于电弧炉的电源电压 11)用于调节通过电极(11)的电流。 根据本发明,提出了这种电子电路的进一步发展,其开发设计简单,价格低廉,并且即使在高电极电流下的电弧炉的操作模式下也能防止AC功率控制器(8)的过载。 这种进一步的发展提供了利用通过控制器的帮助来打开或关闭的旁路开关(9)来绕过AC电力控制器作为流过电极(11)的电流量的函数。
    • 9. 发明授权
    • Electronic circuit and method of supplying electricity
    • 电子电路和供电方法
    • US08665924B2
    • 2014-03-04
    • US11665435
    • 2006-07-24
    • Roland KoenigThomas PaschAndreas HaaksRolf Degel
    • Roland KoenigThomas PaschAndreas HaaksRolf Degel
    • H05B7/148
    • H05B7/005
    • The invention relates to an electronic circuit and a method for feeding power to at least one electrode of an alternating-current electric-arc furnace, particularly for melting metal. Known circuits of this type typically comprise a series connection with a transformer for providing a supply voltage for the electric-arc furnace from a power grid (1) and a AC power controller (8) connected between the transformer (6) and the electrode (11) for regulating the current through the electrode (11). According to the invention, a further development for such electronic circuits is proposed, which development has a simple design, is inexpensive and prevents overload of the AC power controller (8) even in operating modes of the electric-arc furnaces at high electrode currents. This further development provides to bypass the AC power controller with a bypass switch (9) that is opened or closed with the help of a controller as a function of the amount of current flowing through the electrode (11).
    • 本发明涉及一种用于向交流电弧炉的至少一个电极供电的电子电路和方法,特别是用于熔化金属。 这种类型的已知电路通常包括与变压器的串联连接器,用于从连接在变压器(6)和电极(6)之间的电网(1)和AC功率控制器(8)提供用于电弧炉的电源电压 11)用于调节通过电极(11)的电流。 根据本发明,提出了这种电子电路的进一步发展,其开发设计简单,价格低廉,并且即使在高电极电流下的电弧炉的操作模式下也能防止交流电力控制器(8)的过载。 这种进一步的发展提供了利用通过控制器的帮助来打开或关闭的旁路开关(9)来绕过AC电力控制器作为流过电极(11)的电流量的函数。