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公开(公告)号：US5850413A
公开(公告)日：1998-12-15
申请号：US951740
申请日：1997-10-16
CPC分类号： F27B3/06 , C21C5/42 , C21C5/52 , Y02P10/216
摘要： Device to support and swing the hearth in an electric furnace, whether it be the type operating on direct or alternate current, the furnace being able to be of the channel type, EBT with the hearth lowered or not, OBT or other type, the hearth (11) cooperating at the upper part with a cooled side wall (12) having a closure system (14) which can be temporally associated, the hearth (11) being supported by a platform (18), the device comprising a plurality of lifting cylinders (19, 119) associated at the lower part with the platform (18) and at least a translation and/or oscillation actuator (20, 120; 32) associated at the side of the platform (18), the lifting (19, 119) and translation (20, 120; 32) cylinders being able to be driven independently and in a correlated manner so as to obtain on the hearth (11) desired movements of lifting, translation, swinging, oscillation or a combination of such movements.
摘要翻译： 用于在电炉中支撑和摆动炉床的装置，无论是直接或交流电流操作的类型，炉子能够是通道类型，具有炉底降低的EBT，OBT等类型，炉床 （11），其在上部与冷却的侧壁（12）配合，所述冷却侧壁具有能够在时间上相关的封闭系统（14），所述炉床（11）由平台（18）支撑，所述装置包括多个提升 在下部与平台（18）相关联的缸（19,119）和至少与平台（18）侧相关联的平移和/或振动致动器（20,120; 32） 119）和平移（20,120; 32）圆柱体能够独立地并且以相关方式被驱动，以便在炉床（11）上获得期望的提升，平移，摆动，振动或这种运动的组合的运动。
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公开(公告)号：US06327296B1
公开(公告)日：2001-12-04
申请号：US09601574
申请日：2000-09-08
IPC分类号： F27D102
CPC分类号： F27D1/1816 , F27D17/003
摘要： A cooled roof for electric arc furnaces (20) or ladle furnaces (29). The roof being used as a covering element and including a cooling system comprising tubes fed with cooling fluid. The roof including at least a central aperture (25) for the positioning and movement of the electrodes (30) and at least a peripheral aperture (14) for the aspiration and discharge of fumes. The aperture (14) being connected to intake systems. The roof including two single-block cooling structures, inner (1) and outer (12), consisting of respective bent tubes (15, 16) developing according to adjacent and superimposed rings or spirals. The inner (11) and outer (12) cooling structures being associated with one another at least in correspondence with the respective bases facing towards the inside of the furnace (20, 29). Between the inner cooling structure (11) and the outer cooling structure (12) there being defined an annular interspace (13) in which the fumes circulate in an annular direction and slow down. The annular interspace (13) communicating with the peripheral aperture. The inner cooling structure (11) including fume-transit interstices connecting the inside of the furnace (20, 29) with the annular interspace (13).
摘要翻译： 电弧炉（20）或钢包炉（29）的冷却屋顶。 屋顶被用作覆盖元件并且包括包括供给冷却流体的管的冷却系统。 该屋顶至少包括用于电极（30）的定位和移动的中心孔（25）和用于抽吸和排放烟雾的至少一个周边孔（14）。 孔（14）连接到进气系统。 屋顶包括两个单块冷却结构，内部（1）和外部（12），由相应的弯曲管（15,16）组成，根据相邻和叠加的环或螺旋形成。 内部（11）和外部（12）冷却结构至少与朝向炉子（20,29）的内部的相应基座相对应。 在内部冷却结构（11）和外部冷却结构（12）之间，限定了环形间隙（13），其中烟雾在环形方向上循环并且减慢。 环形间隙（13）与外围孔连通。 内部冷却结构（11）包括将炉子（20,29）的内部与环形间隙（13）连接的通风间隙。
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公开(公告)号：US6157665A
公开(公告)日：2000-12-05
申请号：US381913
申请日：1999-09-27
申请人： Giampietro Benedetti , Milorad Pavlicevic , Alfredo Poloni , Gianni Gensini , Angelico Della Negra
发明人： Giampietro Benedetti , Milorad Pavlicevic , Alfredo Poloni , Gianni Gensini , Angelico Della Negra
CPC分类号： F27D1/1816 , C21C5/527 , C21C5/565 , F27B3/183 , F27D13/002 , Y02P10/216
摘要： Method to load scrap for electric arc furnace including at least a roof (13) associated with movable moving means (17) cooperating with second movable moving means (24), the roof (13) including at least a hole (15) to discharge the fumes (16), the scrap (22) being contained in baskets (21), there being included at least a system to process the fumes (32) connected with the chimney, the full basket (21) including at least a first position (21a) to pre-heat the scrap arranged at the side of and in proximity to the furnace (10) and a second position (21b) to unload the scrap arranged in cooperation with the mouth of the furnace (10), the movable moving means (24) of the basket (21) and the movable moving means (17) of the roof (13) being functionally associated at least momentarily, the basket (21) containing the scrap being installed in a removable manner on the second movable moving means (24) and being associated at least temporally with a covering system (29), which can be translated from a closed position to an open position, the fumes (16) leaving the fourth hole (15) of the furnace (10) being sent inside the basket (21) containing the scrap (22) through a discharge duct which connects an inlet aperture (27) included on the covering system (29) with the fourth hole of the furnace (13), the fumes (16) being made to leave the basket (21) through an outlet aperture cooperating with the bottom of the furnace (13), the fumes (16) being made to leave the basket (21) through an outlet aperture cooperating with the bottom of the basket (21) and directly connected with a combustion chamber (28), the roof (13) passing from its first closed position (13a) to its second open position (13b) in coordination with the passage of the basket (21) from its first pre-heating position (21a) to its second unloading position (21b).
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4.发明授权
公开(公告)号：US6157664A
公开(公告)日：2000-12-05
申请号：US381912
申请日：1999-09-27
申请人： Giampietro Benedetti , Milorad Pavlicevic , Alfredo Poloni , Gianni Gensini , Angelico Della Negra
发明人： Giampietro Benedetti , Milorad Pavlicevic , Alfredo Poloni , Gianni Gensini , Angelico Della Negra
CPC分类号： F27D13/002 , C21C5/527 , C21C5/565 , F27B3/18 , F27D3/0027 , Y02P10/216
摘要： System to load pre-heated scrap by means of baskets for electric arc furnace, the furnace including a movable roof (28), at least one basket (15) loaded with scrap being arranged in a lateral position near the furnace, the basket (15) being associated with a movable covering system (18), there being included at least a pipe (20) connecting the fourth hole of the furnace with the inside of the basket (15) to convey the fumes leaving the furnace (12) with the function of pre-heating the scrap, the pipe (20) being associated with the covering system (18) and able to be moved therewith, the basket (15) being associated with moving means (16a).
摘要翻译： PCT No.PCT / IB98 / 00428 Sec。 371 1999年9月27日第 102（e）1999年9月27日PCT PCT 1998年3月23日PCT公布。 第WO98 / 46956号PCT公开 日期1998年10月22日通过电弧炉用篮子装载预热废料的系统，炉子包括可移动屋顶（28），至少一个装有废料的篮子（15）布置在靠近炉子的侧面位置 ，所述篮子（15）与可移动覆盖系统（18）相关联，所述至少一个管道（20）将所述炉子的第四孔与所述篮子（15）的内部连接，以输送离开炉子的烟雾 （12）具有预热废料的功能，管道（20）与覆盖系统（18）相关联并且能够与其一起移动，篮子（15）与移动装置（16a）相关联。
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公开(公告)号：US6163561A
公开(公告)日：2000-12-19
申请号：US381914
申请日：1999-09-27
申请人： Giampietro Benedetti , Milorad Pavlicevic , Alfredo Poloni , Gianni Gensini , Angelico Della Negra
发明人： Giampietro Benedetti , Milorad Pavlicevic , Alfredo Poloni , Gianni Gensini , Angelico Della Negra
CPC分类号： F27D1/12 , C21C5/527 , F27D3/0027 , F27D13/002 , Y02P10/216
摘要： Basket to manipulate scrap in cooperation with an arc furnace (11) and with means to pre-heat the scrap by means of the fumes from the fourth hole (14), the basket being able to be associated with a movable covering system (16) and including a containing body, a bottom equipped with toothed lower closing means which may be momentarily opened, and lateral extensions for moving and positioning the basket, the containing body comprising a first upper part (10a) which acts as a buffer store to temporally increase the capacity of the basket (10) and a second lower part (10b) to contain the scrap, with a capacity substantially mating with the volume of the load of the melting furnace (110) which it has to feed, wherein the second lower part (10b) is associated with cooling means.
摘要翻译： PCT No.PCT / IB98 / 00427 Sec。 371 1999年9月27日第 102（e）1999年9月27日PCT PCT 1998年3月23日PCT公布。 公开号WO98 / 42880 日期1998年10月1日用于与电弧炉（11）配合操作废料的垫片，并且借助于来自第四孔（14）的烟雾来预热废料的装置，该篮子能够与可移动的 覆盖系统（16）并且包括容纳体，底部配备有可以短暂打开的齿形下闭合装置和用于移动和定位篮子的侧向延伸部分，所述容纳体包括第一上部部分（10a） 缓冲存储器，以暂时地增加篮子（10）的容量和第二下部（10b）以容纳废料，其容量基本上与其必须进给的熔炉（110）的负载体积相配合， 其中所述第二下部（10b）与冷却装置相关联。
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公开(公告)号：US5715273A
公开(公告)日：1998-02-03
申请号：US633308
申请日：1996-04-15
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。
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7.发明授权
公开(公告)号：US5762127A
公开(公告)日：1998-06-09
申请号：US470453
申请日：1995-06-06
IPC分类号： B22D11/055 , B22D11/22 , B22D11/04
CPC分类号： B22D11/055 , B22D11/22
摘要： Crystalliser and method to control the deformations of the sidewalls of a crystalliser (11) for the continuous casting of billets/blooms/slabs (24), which is associated with a mould (10) and cooperates externally with a box-shaped structure (13) creating a cooling chamber (14), in which a cooling fluid circulates, and cooperates internally with the skin of the billets/blooms/slabs (24) being formed, the cooling chamber (14) containing an intermediate wall (20) creating a circulation channel (21) in cooperation with the outer surface of the sidewall (12) of the crystalliser (11), at least one upper zone (37) being included in cooperation at least with the vicinity of the meniscus and with the portion below the meniscus (27) of liquid metal, a lower zone (38) being also included and beginning in the vicinity of the zone of separation of the forming skin from the inner surface of the sidewall (12) of the crystalliser (11) and extending towards the outlet of the crystalliser (11), the pressure of the cooling fluid in the lower zone (38) of the crystalliser (11) being a function of the desired value (g1) of an air interspace (36) between the sidewall (12) of the crystalliser (11) and the skin of the forming billet/bloom/slab (24), this desired value of air interspace (36) tending towards a zero value.
摘要翻译： 结晶器和控制结晶器（11）的侧壁的变形的方法，用于连续铸造与模具（10）相连的坯料/坯料（24），并且与外壳与箱形结构（13）配合 （14），其中冷却流体循环并与所形成的坯料/坯料/板坯（24）的表皮内部配合，所述冷却室包含中间壁（20），所述中间壁（20）形成 循环通道（21）与结晶器（11）的侧壁（12）的外表面协作，至少一个上部区域（37）至少与弯月面附近配合并且与下部的部分 液体金属的弯月面（27），还包括下部区域（38），并且从成形皮肤与分离器（11）的侧壁（12）的内表面分开的区域附近开始并向着 结晶器（11）的出口， 确定结晶器（11）的下部区域（38）中的冷却流体是结晶器（11）的侧壁（12）和皮肤（11）之间的空气间隙（36）的期望值（g1）的函数 形成坯料/坯料/板坯（24）时，空气间隙（36）的期望值倾向于零值。
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8.发明授权Continuous-casting crystalliser with increased heat exchange and method to increase the heat exchange in a continuous-casting crystalliser 失效具有增加的热交换的连续铸造结晶器和用于增加连续铸造结晶器中的热交换的方法
公开(公告)号：US5611390A
公开(公告)日：1997-03-18
申请号：US470454
申请日：1995-06-06
IPC分类号： B22D11/055 , B22D11/22 , B22D11/04
CPC分类号： B22D11/22 , B22D11/055
摘要： The crystalliser (11) cooperates externally with a box-shaped structure (13) creating cooling chambers (14), in which a cooling fluid circulates, and cooperates internally with the skin of the billets, blooms or slabs (24) being formed. The cooling chambers (14) containing intermediate walls (20) create circulation channels (21) in cooperation with the outer surfaces (12) of the sidewalls of the crystalliser (11), at least one upper zone (34) being included in cooperation at least with the vicinity of the meniscus and with the portion below the meniscus (33) of liquid metal, a lower zone (26) being also included and beginning in the vicinity of the zone of separation of the forming skin from the inner surfaces (12) of the crystalliser (11) and extending towards the outlet of the crystalliser (11). By acting on the cross-section and/or conformation of at least one longitudinal portion of at least one side of the cross-section of the circulation channels (21), e.g., by providing elements to disturb the flow of cooling fluid in the circulation channels (21), and by acting on the different pressures of the cooling fluid present between the inlet and outlet of that longitudinal portion of the circulation channels (21) a desired turbulence of the cooling fluid is created which is such as to increase the coefficient of heat exchange to a value greater than 40,000 W/m.sup.2 K. The side walls of the crystallizer preferably have a thickness between 4 and 15 mm.
摘要翻译： 结晶器（11）在外部与一个形成冷却室（14）的箱形结构（13）配合，其中冷却流体循环，并与内部形成的坯料，花纹或板坯（24）的内部配合。 包含中间壁（20）的冷却室（14）与结晶器（11）的侧壁的外表面（12）配合产生循环通道（21），至少一个上部区域（34）在 至少与弯月面附近并且与液态金属的弯液面（33）下方的部分一起，还包括下部区域（26），并且从成形皮肤与内表面（12）的分离区域附近开始 ）和结晶器（11）的出口延伸。 通过作用于循环通道（21）的横截面的至少一侧的至少一个纵向部分的横截面和/或构造，例如通过提供元件来扰乱循环中的冷却流体的流动 通道（21），并且通过作用于存在于循环通道（21）的该纵向部分的入口和出口之间的冷却流体的不同压力，产生了所需的冷却流体的湍流，这样使得系数 的热交换值大于40,000 W / m2K。 结晶器的侧壁优选地具有4至15mm的厚度。
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9.发明授权
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
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。
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10.发明授权Automatic system for connection of pneumatic and hydraulic hoses on a composite electrode for arc furnaces 失效用于电弧炉复合电极连接气动和液压软管的自动系统
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
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。
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