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1. 发明授权

US5835524A Scrap-melting electric arc furnace 失效
标题翻译：废电弧炉
公开(公告)号：US5835524A
公开(公告)日：1998-11-10
申请号：US605011
申请日：1996-02-28
申请人： Harald Berger , Peter Mittag , Heinrich Auberger , Peter Wimmer , Johann Auer , Alfred Weber , Johannes Steins
发明人： Harald Berger , Peter Mittag , Heinrich Auberger , Peter Wimmer , Johann Auer , Alfred Weber , Johannes Steins
IPC分类号： H05B7/18 , F27B3/08 , F27B3/10 , F27B3/18 , F27D11/08 , F27D3/00
CPC分类号： F27B3/183
摘要： A scrap-melting electric arc furnace operating at an elevated melting power having a simple construction that also avoids thermal loads of the side wall caused by the electrodes. The electrodes are protected from damage during scrap-charging. The electric arc furnace includes a bottom for receiving a melt. An upper part rises from the bottom part and has side walls. A lid covers the upper part. A charging shaft is disposed approximately centrically relative to the upper part, and has a diameter that is substantially smaller than the diameter of the upper part. The charging shaft interior communicates with the furnace interior via an opening in the lid. Electrodes arranged approximately radially symmetrically are directed obliquely into the furnace interior and project toward the center of the electric arc furnace.
摘要翻译： PCT No.PCT / AT95 / 00064 Sec。 371日期1996年2月28日 102（e）日期1996年2月28日PCT 1995年3月30日PCT PCT。出版物WO96 / 00877 日期1996年1月11日废料熔化电弧炉以较高的熔化功率运行，结构简单，避免了由电极引起的侧壁热负荷。在废料充电期间，电极被保护免受损坏。电弧炉包括用于接收熔体的底部。上部从底部上升并具有侧壁。盖子覆盖上部。充电轴相对于上部大致中心地设置，并且具有基本上小于上部的直径的直径。充电轴内部通过盖中的开口与炉内部连通。大致径向对称地布置的电极倾斜地引导到炉内部并向电弧炉的中心突出。

2. 发明授权

US5573573A Electric arc furnace arrangement for producing steel 失效
公开(公告)号：US5573573A
公开(公告)日：1996-11-12
申请号：US478483
申请日：1995-06-07
申请人： Harald Berger , Peter Mittag , Johannes Steins , Gert Pfeiffer
发明人： Harald Berger , Peter Mittag , Johannes Steins , Gert Pfeiffer
IPC分类号： C21C5/52 , C21C5/56 , F27B1/02 , F27B3/08 , F27B3/10 , F27B3/18 , F27D11/08 , F27D11/10 , H05B7/18 , H05B11/00
CPC分类号： F27B3/085 , C21C5/5229 , C21C5/562 , F27B1/025 , F27B3/186 , Y02P10/143 , Y02P10/216
摘要： There is disclosed an electric arc furnace for the production of steel by melting scrap, in particular iron scrap, and/or sponge iron and/or pig iron as well as fluxes in a furnace vessel, into which at least one graphite electrode projects, which is displaceable in its longitudinal direction, wherein an electric arc is ignited between the graphite electrode and the charging stock. To achieve a particularly high energy input, the graphite electrode projects into a lower part of the furnace vessel from aside and the lower part, in the region of the graphite electrode, has an enlargement radially protruding outwardly relative to the upper part.

3. 发明授权

US5529598A Bottom anode for a metallurgical vessel 失效
标题翻译：用于冶金容器的底部阳极
公开(公告)号：US5529598A
公开(公告)日：1996-06-25
申请号：US374804
申请日：1995-01-19
申请人： Harald Berger , Peter Mittag , Johannes Steins
发明人： Harald Berger , Peter Mittag , Johannes Steins
IPC分类号： C21C5/52 , F27B3/08 , F27B3/20 , F27D11/08 , H05B7/06 , B23K35/00
CPC分类号： C21C5/5229 , H05B7/06 , Y02P10/216
摘要： A bottom anode for a metallurgical vessel destined for producing a metal melt is formed by a metal bar provided with at least one through recess extending from outside of the metallurgical vessel as far as to within the metallurgical vessel. In order to substantially increase the service life of such a bottom anode, conforming it to that of a lining made of refractory material, the bottom anode, on the vessel internal-side end of the metal bar, is provided with a nose formed of metal melt produced within the vessel. The nose incorporates channels departing from the vessel internal-side end of the through recess of the metal bar, which is connected to a supply duct introducing liquid and/or solid hydrocarbons, and at least some of the channels reaching as far as the surface of the nose.
摘要翻译：用于生产金属熔体的用于冶金容器的底部阳极由金属棒形成，所述金属棒设置有从冶金容器外部延伸到冶金容器内的至少一个贯通凹部。为了大大提高这种底部阳极的使用寿命，使其符合由耐火材料制成的衬里的使用寿命，金属棒的容器内侧端的底部阳极设置有由金属形成的鼻部熔体在容器内产生。鼻子包括从金属棒的通孔的容器内侧端离开的通道，其连接到引入液体和/或固体烃的供应管道，并且至少一些通道达到鼻子。

4. 发明授权

US5471495A Electric arc furnace arrangement for producing steel 失效
标题翻译：用于生产钢的电弧炉装置
公开(公告)号：US5471495A
公开(公告)日：1995-11-28
申请号：US974792
申请日：1992-11-12
申请人： Harald Berger , Peter Mittag , Johannes Steins , Gert Pfeiffer
发明人： Harald Berger , Peter Mittag , Johannes Steins , Gert Pfeiffer
IPC分类号： C21C5/52 , C21C5/56 , F27B1/02 , F27B3/08 , F27B3/10 , F27B3/18 , F27D11/08 , F27D11/10 , H05B7/18 , H05B11/00
CPC分类号： F27B3/085 , C21C5/5229 , C21C5/562 , F27B1/025 , F27B3/186 , Y02P10/143 , Y02P10/216
摘要： There is disclosed an electric arc furnace for the production of steel by melting scrap, in particular iron scrap, and/or sponge iron and/or pig iron as well as fluxes in a furnace vessel, into which at least one graphite electrode projects, which is displaceable in its longitudinal direction, wherein an electric arc is ignited between the graphite electrode and the charging stock. To achieve a particularly high energy input, the graphite electrode projects into a lower part of the furnace vessel from aside and the lower part, in the region of the graphite electrode, has an enlargement radially protruding outwardly relative to the upper part.
摘要翻译：公开了一种用于通过熔化废料，特别是废铁，和/或海绵铁和/或生铁以及至少一个石墨电极投入的炉容器中的助熔剂来生产钢的电弧炉，其中可在其纵向方向上移位，其中在石墨电极和充电原料之间点燃电弧。为了实现特别高的能量输入，石墨电极从旁边突出到炉容器的下部，并且在石墨电极的区域中的下部具有相对于上部向外径向突出的放大。

5. 发明授权

US5410566A Method of producing metal melts and an electric arc furnace therefor 失效
标题翻译：生产金属熔体的方法及其电弧炉
公开(公告)号：US5410566A
公开(公告)日：1995-04-25
申请号：US984972
申请日：1992-12-03
申请人： Johannes Steins , Harald Berger , Peter Mittag
发明人： Johannes Steins , Harald Berger , Peter Mittag
IPC分类号： C22B7/00 , C21C5/36 , C21C5/52 , F27B3/08 , F27D7/02 , F27D11/08 , H05B7/085 , F27D3/00
CPC分类号： C21C5/5211 , C21C2005/366 , C21C2005/5282 , C21C2300/02 , C21C5/5217 , Y02P10/216
摘要： In a method of producing metal melts, in particular a steel melt from scrap, in an electric arc furnace having at least one graphite electrode, organic substances are charged into the electric arc through a central longitudinal recess of the graphite electrode so as to reduce electrode consumption.
摘要翻译：在具有至少一个石墨电极的电弧炉中，生产金属熔体，特别是来自废料的钢熔体的方法中，通过石墨电极的中心纵向凹槽将有机物质装入电弧中，从而将电极消费。

6. 发明授权

US07172640B2 Method and device for melting down metal-containing materials 失效
标题翻译：用于熔化含金属材料的方法和装置
公开(公告)号：US07172640B2
公开(公告)日：2007-02-06
申请号：US10021373
申请日：2001-10-22
申请人： Harald Berger , Peter Mittag , Bernhard Aigner
发明人： Harald Berger , Peter Mittag , Bernhard Aigner
IPC分类号： C21B13/12
CPC分类号： C21B13/12 , C21B13/14 , C21C5/527 , C21C5/565 , F27B3/065 , F27B3/10 , F27B3/183 , F27D17/003 , F27D2003/127 , Y02P10/216
摘要： In a method and a device for melting down metal-containing material, preferably fine-particulate metal-containing material, such as sponge iron, in a metallurgical melting furnace (1), wherein, in an interior space (11) of the melting furnace (1), a metal melt (5) and a slag layer (6) floating on top of the metal melt (5) are maintained, the metal-containing material is added by means of a supply means dipping into the slag layer (6) and energy is added in the form of electric arcs (14), the metal-containing material is charged directly into the central region (Z) of the melting furnace (1) by means of at least one charging tube (8) exclusively serving for conveying material via the charging tube outlet (9) of the same, the electric arcs (14) are directed obliquely towards the metal melt (5) against the central region (Z) of the melting furnace (1) and the metal-containing material is melted in the slag layer (6) and a mixed process slag-metal melt is maintained in the region of the charging tube outlet (9).
摘要翻译：在冶金熔化炉（1）的熔化炉（1）的内部空间（11）的熔融炉（1）的熔融炉（1）的熔融炉（1）的熔融炉（1）的熔融炉内，（1）中，保持金属熔体（5）和漂浮在金属熔体（5）的顶部上的熔渣层（6），通过浸入炉渣层（6）中的供给装置添加含金属材料）和能量以电弧（14）的形式添加，所述含金属材料通过至少一个仅供给的充电管（8）直接装入熔炉（1）的中心区域（Z）为了通过其充电管出口（9）输送材料，电弧（14）相对于熔化炉（1）的中心区域（Z）倾斜地朝向金属熔体（5）并且含金属材料在渣层（6）中熔化，混合工艺渣金属熔体是主要的污染在充电管出口（9）的区域中。

7. 发明授权

US5844933A Electrode arrangement for direct current and furnace 失效
标题翻译：用于直流电和电炉的电极布置
公开(公告)号：US5844933A
公开(公告)日：1998-12-01
申请号：US849609
申请日：1997-06-02
申请人： Bernhard Aigner , Harald Berger , Peter Mittag
发明人： Bernhard Aigner , Harald Berger , Peter Mittag
IPC分类号： C21C5/52 , F27B3/08 , F27D3/08 , F27D99/00 , H05B7/11 , H05B7/18
CPC分类号： C21C5/5229 , F27B3/085 , H05B7/11 , F27D2099/0023 , Y02P10/216
摘要： A d.c. arc furnace for metallurgical purposes includes two or more electrodes arranged on the furnace vessel and projecting into the furnace vessel. To avoid actions of forces departing from the magnetic fields derived form the currents conducted to the electrodes and effecting deflections of the electric arcs, the electric supply means provided for each of the electrodes are each arranged in the immediate vicinity of the electrode to be supplied, the electric supply means of one electrode being arranged so as to be spacially separated from the electric supply means of the remaining electrodes, viewed in the peripheral direction of the furnace vessel.
摘要翻译： PCT No.PCT / AT95 / 00236 Sec。 371日期：1997年6月2日 102（e）日期1997年6月2日PCT提交1995年11月30日PCT公布。出版物WO96 / 17091 日期：1996年6月6日用于冶金目的的电弧炉包括设置在炉容器上并突出到炉容器中的两个或更多个电极。为了避免从导致电极的电流导致的磁场离开的力的作用，并且实现电弧的偏转，为每个电极提供的电源装置分别设置在待供电的电极的附近，从炉容器的周向观察，一个电极的供电装置被布置成与剩余电极的电源装置空间分离。

8. 发明申请

US20070138714A1 Device for melting down metal-containing material 审中-公开
标题翻译：用于熔化含金属材料的装置
公开(公告)号：US20070138714A1
公开(公告)日：2007-06-21
申请号：US11699606
申请日：2007-01-30
申请人： Harald Berger , Peter Mittag , Bernhard Aigner
发明人： Harald Berger , Peter Mittag , Bernhard Aigner
IPC分类号： C21C5/52
CPC分类号： C21B13/12 , C21B13/14 , C21C5/527 , C21C5/565 , F27B3/065 , F27B3/10 , F27B3/183 , F27D17/003 , F27D2003/127 , Y02P10/216
摘要： In a method and a device for melting down metal-containing material, preferably fine-particulate metal-containing material, such as sponge iron, in a metallurgical melting furnace (1), wherein, in an interior space (11) of the melting furnace (1), a metal melt (5) and a slag layer (6) floating on top of the metal melt (5) are maintained, the metal-containing material is added by means of a supply means dipping into the slag layer (6) and energy is added in the form of electric arcs (14), the metal-containing material is charged directly into the central region (Z) of the melting furnace (1) by means of at least one charging tube (8) exclusively serving for conveying material via the charging tube outlet (9) of the same, the electric arcs (14) are directed obliquely towards the metal melt (5) against the central region (Z) of the melting furnace (1) and the metal-containing material is melted in the slag layer (6) and a mixed process slag-metal melt is maintained in the region of the charging tube outlet (9). (FIG. 1).
摘要翻译：在冶金熔化炉（1）的熔化炉（1）的内部空间（11）的熔融炉（1）的熔融炉（1）的熔融炉（1）的熔融炉（1）的熔融炉内，（1）中，保持金属熔体（5）和漂浮在金属熔体（5）的顶部上的熔渣层（6），通过浸入炉渣层（6）中的供给装置添加含金属材料）和能量以电弧（14）的形式添加，所述含金属材料通过至少一个仅供给的充电管（8）直接装入熔炉（1）的中心区域（Z）为了通过其充电管出口（9）输送材料，电弧（14）相对于熔化炉（1）的中心区域（Z）倾斜地朝向金属熔体（5）并且含金属材料在渣层（6）中熔化，混合工艺渣金属熔体是主要的污染在充电管出口（9）的区域中。（图1 ）。

9. 发明授权

US06477195B2 Process for melting sponge iron and electric-arc furnace for carrying out the process 失效
标题翻译：用于熔化海绵铁和电弧炉的方法进行该过程
公开(公告)号：US06477195B2
公开(公告)日：2002-11-05
申请号：US09862909
申请日：2001-05-22
申请人： Peter Mittag , Harald Berger
发明人： Peter Mittag , Harald Berger
IPC分类号： H05B1100
CPC分类号： C21C5/5217 , C21B13/12 , C21C5/527 , C21C7/0037 , F27B3/085 , F27B3/12 , F27B3/183 , F27B3/225 , F27D3/16 , F27D2021/023 , Y02P10/216
摘要： In a process for melting down sponge metal (11) in an electric-arc furnace (1) having at least one electrode (6), the sponge metal (11) is introduced into the electric-arc furnace (1) under formation of at least one sponge metal jet (15) which in the immediate vicinity of an electrode (6) hits the bath level (16) present in the electric-arc furnace (1), and for decarburization and/or intermixing the bath and/or charging energy oxygen is blown into the melt (7). For a CO post-combustion, in addition to the oxygen introduced for decarburization and/or intermixing the bath and/or charging energy into the melt at least one jet (14) of oxygen or one jet (14) of an oxygen-containing gas is blown into the electric-arc furnace (1) at a low rate, which jet hits the bath level (16) in the region of the point of incidence of the sponge metal jet (15), which preferably is conveyed into the electric-arc furnace (1) by gravitation alone, and/or immediately adjacent to the point of incidence of the sponge metal jet (15) and which jet in the region or vicinity of that point of incidence, on the side facing the electrode(s) (6) of the electric-arc furnace (1), is shielded by the sponge metal jet (15) relative to the electrode(s) (6) in the form of a protective shield.
摘要翻译：在具有至少一个电极（6）的电弧炉（1）中熔化海绵金属（11）的方法中，将海绵金属（11）引入到电弧炉（1）中，形成在在电极（6）附近的电极（6）附近的至少一个海绵金属喷嘴（15）撞击存在于电弧炉（1）中的浴液位（16），并且用于使浴和/或充电脱碳和/或混合能量氧被吹入熔体（7）中。对于CO后燃烧，除了用于脱碳和/或将熔融和/或将能量加入到熔体中的氧的至少一个氧气喷射（14）含氧气体的一个射流（14）以低速吹入电弧炉（1），该射流在海绵金属射流的入射点的区域中撞击浴槽（16） 15），其优选地通过重力单独输送到电弧炉（1）中和/或直接邻近sp的入射点金属喷嘴（15），并且在面对电弧炉（1）的电极（6）的一侧的该入射点的区域或附近的喷射被海绵金属射流（ 15）相对于保护屏蔽形式的电极（6）。

10. 发明授权

US5900209A Plant for producing metal melts 失效
标题翻译：用于生产金属熔体的设备
公开(公告)号：US5900209A
公开(公告)日：1999-05-04
申请号：US849989
申请日：1997-06-02
申请人： Bernhard Aigner , Harald Berger , Peter Mittag
发明人： Bernhard Aigner , Harald Berger , Peter Mittag
IPC分类号： H05B7/18 , C21C5/52 , F27B3/08 , H05B7/11 , C21B7/00
CPC分类号： C21C5/5229 , F27B3/085 , H05B7/11 , Y02P10/216 , Y10S266/901
摘要： A plant for producing metal includes a electricity supply system and a direct-current electric arc furnace connected thereto, where in order to make do with an electricity supply system possessing a relatively small short-circuit capacity, the direct-current electric arc furnace has at least two electrodes and the electricity supply system has a system short-circuit capacity S.sub.k which is at least equal to ##EQU1## wherein S.sub.i is the nominal power per electrode and i represents an index for the electrodes that varies from 1 up to the maximum number of electrodes in the direct-current electric arc furnace.
摘要翻译： PCT No.PCT / AT95 / 00237 Sec。 371日期：1997年6月2日 102（e）日期1997年6月2日PCT提交1995年11月30日PCT公布。第WO96 / 17092号公报日期1996年6月6日生产金属的工厂包括电力供应系统和与其连接的直流电弧炉，为了对具有相对较小的短路容量的电力供应系统做出直流电，电弧炉具有至少两个电极，并且供电系统具有至少等于其中Si是每个电极的额定功率的系统短路容量Sk，i表示电极的指数，其从1直到直流电弧炉最大电极数。

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