公开(公告)号：US5715273A

公开(公告)日：1998-02-03

申请号：US633308

申请日：1996-04-15

申请人： Johannes Dratner ,  Gianni Gensini ,  Daniele Merlino

发明人： Johannes Dratner ,  Gianni Gensini ,  Daniele Merlino

IPC分类号： H05B7/11

CPC分类号： H05B7/11

摘要： A secondary circuit having a variable impedance for electric arc furnaces of a type working with alternating current, which is associated with a transformer (11) is disclosed. A secondary circuit comprises at least one rigid connection (12) connected to the outputs (16) of the transformer (11), flexible cables (13) connected through rigid connection elements (29, 129) at first end to the rigid connection (12) and at the other end to specific electrodes (15). At least one branch of the secondary circuit (10) corresponds to a specific phase including at least one of the respective rigid components (12, 17, 29, 129) having at least two parts reciprocally positionable in an adjustable manner according to the required value of overall reactance of the specific branch of the secondary circuit (10) comprising that rigid component (12, 17, 29, 129).

摘要翻译： 公开了一种具有与变压器（11）相关联的具有交流电的类型的电弧炉的可变阻抗的次级电路。 次级电路包括连接到变压器（11）的输出端（16）的至少一个刚性连接（12），在第一端处通过刚性连接元件（29,129）连接到刚性连接件（12）的柔性电缆（13） ），另一端到特定电极（15）。 次级电路（10）的至少一个分支对应于包括相应的刚性部件（12,17,29,129）中的至少一个的特定相，所述刚性部件具有根据所需值可调节的方式可往复定位的至少两个部件 包括该刚性部件（12,17,29,129）的次级电路（10）的特定分支的整体电抗。

公开(公告)号：US5940426A

公开(公告)日：1999-08-17

申请号：US805664

申请日：1997-02-27

申请人： Johannes Dratner ,  Gianni Gensini

发明人： Johannes Dratner ,  Gianni Gensini

IPC分类号： F27B3/08 ,  H05B7/11 ,  H05B7/06

CPC分类号： H05B7/11 ,  F27B3/085

摘要： Adapter device for composite electrodes having an auxiliary reactance function on electric arc furnaces, the furnace being able to be of a type fed with direct current or alternating current and comprising at least one secondary supply circuit which connects a transformer (13) to one or more electrode-holder arms (16), the adapter comprising a hollow cylindrical metallic body (21) associated with the relative electrode-holder arm (16) and directed towards the inside of the furnace, the metallic body (21) being connected at its lower end to a graphite segment (24), directed towards the bath of molten metal, at least part of the the adapter (20) including a conductive portion (30) which is made of a highly conductive material and is solidly associated with the metallic body (21) and is dimensioned according to the desired value of overall reactance of the secondary circuit of the furnace.

摘要翻译： 具有在电弧炉上具有辅助电抗功能的复合电极的适配器装置，所述炉能够是馈送直流或交流电流的类型，并且包括至少一个二次电源电路，其将变压器（13）连接到一个或多个 电极夹臂（16），适配器包括与相对电极保持器臂（16）相关联并指向炉内部的中空圆柱形金属体（21），金属体（21）在其下部 （20）的至少一部分包括导电部分（30），导电部分（30）由高导电材料制成并且与金属体牢固地相关联 （21），并且根据炉子二次回路的总电抗的期望值来确定尺寸。

公开(公告)号：US5905754A

公开(公告)日：1999-05-18

申请号：US807158

申请日：1997-02-27

申请人： Johannes Dratner ,  Gianni Gensini

发明人： Johannes Dratner ,  Gianni Gensini

IPC分类号： H05B7/12 ,  H05B7/10

CPC分类号： H05B7/12

摘要： System for connection of pneumatic and/or hydraulic hoses (11) on composite electrodes (12) for arc furnaces, the electrodes (12) comprising, at least one hollow adapter (13) associated at their lower part with a replaceable graphite element (14), the electrode (12) cooperating with an electrode-holder arm (15) and being displaceable axially in relation to that electrode-holder arm (15), the hoses (11) being associated at one end with a first connection assembly (18a) associated with a support (17), the adapter (13) including a solidly attached second connection assembly (18b) mating functionally with the first connection assembly (18a), the first (18a) and second (18b) connection assemblies comprising mating connecting elements (19a, 19b) equipped with elements to interrupt the flow of the fluid which can be temporally actuated, the a support (17) associated with the first connection assembly (18a) having a first inactive position temporally solid with the electrode-holder arm (15) and a second working position released from the electrode-holder arm (15) and temporally solid with the second connection assembly (18b) associated with the adapter (13), the transition from the first inactive position to the second working position of the support (17) taking place according to the position of the electrode (12) in a defined position of engagement/disengagement.

摘要翻译： 用于在用于电弧炉的复合电极（12）上连接气动和/或液压软管（11）的系统，所述电极（12）包括在其下部与可更换的石墨元件（14）相关联的至少一个中空适配器（13） ），所述电极（12）与电极保持器臂（15）配合并且可相对于所述电极固定器臂（15）轴向位移，所述软管（11）在一端与第一连接组件（18a）相关联 ），所述适配器（13）包括与所述第一连接组件（18a）功能配合的牢固连接的第二连接组件（18b），所述第一（18a）和第二（18b）连接组件包括配合连接 元件（19a，19b）装备有用于中断可以暂时致动的流体的流动的元件，与第一连接组件（18a）相关联的支撑件（17）具有与电极保持器臂暂时固定的第一非活动位置 （15）a 第二工作位置从电极保持器臂（15）释放并且与与适配器（13）相关联的第二连接组件（18b）暂时固定，从支撑件（17）的第一非活动位置到第二工作位置的过渡 ）根据电极（12）的位置在接合/分离的限定位置进行。