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1. 发明授权

US5889809A Cooling system for electrodes in D.C. electric arc furnaces 失效
标题翻译：直流电弧炉电极冷却系统
公开(公告)号：US5889809A
公开(公告)日：1999-03-30
申请号：US936624
申请日：1997-09-24
申请人： Milorad Pavlicevic , Anatoly Kolesnichenko , Angelico Della Negra , Alfredo Poloni
发明人： Milorad Pavlicevic , Anatoly Kolesnichenko , Angelico Della Negra , Alfredo Poloni
IPC分类号： C21C5/52 , F27D1/12 , H05B7/12
CPC分类号： C21C5/5229 , F27D1/12 , H05B7/12 , Y02P10/216
摘要： Cooling system for electrodes (11) in D.C. electric arc furnaces, the electrodes (11) comprising a part (11a) subjected to the hot environment of the furnace, this part being made of graphite in the case of a cathode and of copper in the case of an anode, the part (11a) being associated with a metallic part (11b) by means of a joint (13) which includes inside itself a hollow (14), comprising at least in correspondence with the metallic part (11b) a cooling circuit (20) with at least a delivery channel (15), a return channel (16) and a heat exchanger (18), the circuit (20) using liquid metal as a cooling fluid, there also being included means for the forced circulation of the cooling fluid consisting of a hydromagnetic pump (17).
摘要翻译：在直流电弧炉中的电极（11）的冷却系统，电极（11）包括经受炉的热环境的部分（11a），该部分在阴极的情况下由石墨制成，铜的部分由阳极的情况下，部分（11a）通过接头（13）与金属部分（11b）相关联，该接头包括内部的中空部分（14），至少包括与金属部分（11b）a相对应的至少具有输送通道（15），回流通道（16）和热交换器（18）的冷却回路（20），所述回路（20）使用液态金属作为冷却流体，还包括用于强制由水磁泵（17）组成的冷却流体的循环。

2. 发明授权

US06535543B2 Device to take in fumes and cool the roof of electric furnaces 失效
公开(公告)号：US06535543B2
公开(公告)日：2003-03-18
申请号：US09938859
申请日：2001-08-27
申请人： Peter Tischenko , Angelico Della Negra , Milorad Pavlicevic , Alfredo Poloni
发明人： Peter Tischenko , Angelico Della Negra , Milorad Pavlicevic , Alfredo Poloni
IPC分类号： F27D100
CPC分类号： F27D1/1816 , F27D17/003
摘要： Device to take in fumes and cool the roof (10) of electric furnaces. The device has a central aperture (11) into which an electrode can be inserted and a peripheral aperture (12) to take in and discharge the fumes. The device also has a first cooling system (13) for a central zone surrounding, and cooperating with, the central aperture (11), and a second system (15) to take in and convey the fumes. The first cooling system (13) includes a circular cyclone chamber (18) having a plurality of turns (19) able to cool the zone surrounding the central aperture (11).

3. 发明授权

US06327296B1 Cooled roof for electric arc furnaces and ladle furnaces 失效
标题翻译：电弧炉和钢包炉的冷却屋顶
公开(公告)号：US06327296B1
公开(公告)日：2001-12-04
申请号：US09601574
申请日：2000-09-08
申请人： Alfredo Poloni , Milorad Pavlicevic , Gianni Gensini , Peter Tishchenko , Angelico Della Negra
发明人： Alfredo Poloni , Milorad Pavlicevic , Gianni Gensini , Peter Tishchenko , Angelico Della Negra
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。

4. 发明授权

US06219371B1 System to plug the delta area of the roof of an electric arc furnace 失效
标题翻译：系统用于堵塞电弧炉屋顶的三角形区域
公开(公告)号：US06219371B1
公开(公告)日：2001-04-17
申请号：US09482942
申请日：2000-01-14
申请人： Milorad Pavlicevic , Peter Tishchenko , Alfredo Poloni , Angelico Della Negra
发明人： Milorad Pavlicevic , Peter Tishchenko , Alfredo Poloni , Angelico Della Negra
IPC分类号： F27D102
CPC分类号： F27D17/003 , F27B3/24 , F27D1/1816
摘要： System to plug the roof of an electric arc furnace having a main chamber or melting volume arranged below the roof and at least one electrode introduced into the main chamber, the system comprising an upper element or auxiliary roof element arranged on the top of the roof and shaped so as to define an inner chamber and at least a central aperture through which the electrode can be moved, the auxiliary roof element consisting of a plurality of pipes inside which a cooling fluid circulates under pressure.
摘要翻译：用于将具有设置在屋顶下方的主室或熔化体积的电弧炉的屋顶和引入主室的至少一个电极的系统，该系统包括布置在屋顶顶部的上部元件或辅助屋顶元件，形成为限定内室和至少一个中心孔，电极可以通过该中心孔移动，辅助屋顶元件由多个管道组成，冷却流体在压力下循环。

5. 发明授权

US5787108A Exhaust device for electric arc furnaces and relative method 失效
标题翻译：电弧炉排气装置及相关方法
公开(公告)号：US5787108A
公开(公告)日：1998-07-28
申请号：US842821
申请日：1997-04-17
申请人： Milorad Pavlicevic , Peter Tishchenko , Alfredo Poloni , Angelico Della Negra
发明人： Milorad Pavlicevic , Peter Tishchenko , Alfredo Poloni , Angelico Della Negra
IPC分类号： F27B3/24 , F27D17/00
CPC分类号： F27D17/003 , F27B3/24
摘要： An exhaust device to suck in the fumes in an electric arc furnace (11) fed either by direct or alternating current. The furnace (11) comprises a crown (20) with at least one aperture (19) to introduce and position the electrodes (12) associated with a cupola, in a vertically raised position, which surrounds the electrodes (12) partially in a vertical direction. The cupola is smaller in diameter than the crown (20), there being included a fourth hole connected to the discharge pipe for the fumes (14). The cupola functions as a decantation chamber (13) substantially cylindrical in shape. The cupola functioning as a decantation chamber (13) including at its upper part a conduit (15) to discharge the fumes projecting tangentially and connecting the cupola functioning as a decantation chamber (13) to the discharge pipe (14), placed at the side of the cupola (13). A method to suck in fumes for an electric arc furnace fed either by alternating or direct current is also provided, wherein the furnace includes a fourth hole connected to a discharge pipe (14) for the fumes associated with a plant.
摘要翻译：一种用于在通过直流或交流供电的电弧炉（11）中吸入烟气的排气装置。炉（11）包括具有至少一个孔（19）的冠部（20），以将与冲天炉相关的电极（12）引导并定位在垂直升高的位置，其部分地垂直地围绕电极（12）方向。圆顶的直径小于冠部（20），其中包括连接到用于烟雾（14）的排出管的第四孔。冲天炉用作基本上圆柱形的倾析室（13）。所述冲天炉用作倾析室（13），其在其上部包括导管（15），用于排出切向突出的烟雾，并将作为倾析室（13）起作用的冲天炉连接到排放管（14）的冲天炉（13）。还提供了一种通过交替或直流供电的电弧炉吸入烟雾的方法，其中炉子包括连接到用于与植物相关联的烟雾的排放管（14）的第四孔。

6. 发明授权

US06249538B1 Cooling device with panels for electric arc furnace 有权
标题翻译：具有电弧炉面板的冷却装置
公开(公告)号：US06249538B1
公开(公告)日：2001-06-19
申请号：US09508273
申请日：2000-04-28
申请人： Milorad Pavlicevic , Alfredo Poloni , Peter Tishchenko , Angelico Della Negra
发明人： Milorad Pavlicevic , Alfredo Poloni , Peter Tishchenko , Angelico Della Negra
IPC分类号： F27D112
CPC分类号： F27D1/12 , F27B3/24 , F27D1/1816
摘要： Cooling device with panels for electric arc furnaces, employed in an electric furnace in cooperation with the vertical sidewall located above the lower shell (11) of the furnace and/or with the roof (18), the furnace comprising a lower shell (11) to contain the bath of liquid metal (12) and an overhead upper shell defined by a plurality of panels (16) consisting of cooling tubes (17), the upper shell being covered by the roof (18), the lower shell (11) including a containing element (15) made of metal on the outer part, the internal refractory including an upper edge (11a) located approximately at the upper line of the layer of slag (14) present above the bath of molten metal (12), each panel (16) including an outer layer (19a), an intermediate layer (19b) and at least an inner layer (19c) of cooling tubes (17), the layers developing vertically along the vertical sidewall of the furnace above the refractory edge of the lower shell (11), the cooling tubes (17), the layers developing vertically along the vertical sidewall of the furnace above the refractory edge of the lower shell (11), the cooling tubes (17) of each layer (19a, 19b, 19c) being progressively and increasingly distanced from each other from the outside of the furnace towards the inside so as to define fissures and spaces of a progressively increasing size whereon the slag attaches itself.
摘要翻译：冷却装置具有用于电弧炉的面板，其与位于炉的下壳体（11）上方的垂直侧壁和/或与屋顶（18）配合的电炉中，该炉包括下壳体（11）包含液体金属（12）的浴槽和由多个由冷却管（17）组成的面板（16）限定的顶部上壳体，所述上壳体被屋顶（18）覆盖，下壳体（11）包括在外部部件上由金属制成的容纳元件（15），所述内部耐火材料包括位于熔融金属（12）上方大致位于所述熔渣层（14）的上边界的上边缘（11a）每个面板（16）包括外层（19a），中间层（19b）和至少冷却管（17）的内层（19c），所述层沿耐火边缘上方的炉的垂直侧壁垂直展开的下壳体（11），冷却管（17），层沿着下壳体（11）的耐火边缘上方的炉的垂直侧壁，每层（19a，19b，19c）的冷却管（17）彼此逐渐地从炉外部间隔开朝向内侧，以便确定渣附着在其上的逐渐增加的尺寸的裂缝和空间。

7. 发明授权

US6157665A Method to load scrap for electric arc furnace and relative system 失效
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
IPC分类号： C21C5/52 , C21C5/56 , F27B3/08 , F27B3/18 , F27D1/18 , F27D13/00 , F27D3/00
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).

8. 发明授权

US6157664A System to load pre-heated scrap by means of baskets for electric arc furnace 失效
标题翻译：通过电弧炉筐装载预热废料的系统
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
IPC分类号： C21C5/52 , C21C5/56 , F27B3/08 , F27B3/18 , F27D3/00 , F27D13/00 , F27D23/00
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。

9. 发明授权

US5923697A Cooling device for the roof in electric arc furnaces 失效
标题翻译：电弧炉屋面冷却装置
公开(公告)号：US5923697A
公开(公告)日：1999-07-13
申请号：US839312
申请日：1997-04-17
申请人： Milorad Pavlicevic , Peter Tishchenko , Alfredo Poloni , Angelico Della Negra
发明人： Milorad Pavlicevic , Peter Tishchenko , Alfredo Poloni , Angelico Della Negra
IPC分类号： F27D1/18 , F27D1/02
CPC分类号： F27D1/1816
摘要： Device to cool the roof (10) in electric arc furnaces, of the type comprising a plurality of contiguous panels (27) disposed to cover at least a substantial part of the inner circumferential periphery of the roof (10), each of the panels (27) consisting of at least one pipe (11) wherein cooling fluids circulate, the roof (10) having at least one central aperture (35) to insert, position and move the electrodes (28) and at least one peripheral aperture, or fourth hole (16) to vent the fumes from inside the furnace, each cooled panel (27) covering its own defined arc of the inner circumferential ring of the roof (10) and comprising a spiral-shaped cooling pipe (11), the coils (15) of the spiral lying on respective vertical planes disposed substantially radially with respect to the center of the roof (10), the coils (15) defining a first outer layer (17) and a second inner layer (18) of pipes (11), the first outer layer (17) and second inner layer (18) being separated by a hollow space (19) lying on a plane suitable to the conformation of the roof (10) of the furnace and which serves as an intake ring (19) to circulate the fumes and direct them from inside the furnace towards the discharge aperture (16).
摘要翻译：用于在电弧炉中冷却屋顶（10）的装置，其类型包括多个邻接的面板（27），其被设置成覆盖屋顶（10）的内圆周的至少大部分，每个面板 27），其由冷却流体循环的至少一个管道（11）组成，所述屋顶（10）具有至少一个中心孔（35）以插入，定位和移动所述电极（28）和至少一个外围孔孔（16）以从炉内排出烟雾，每个冷却面板（27）覆盖其自身限定的屋顶（10）的内周环的圆弧，并且包括螺旋形冷却管（11），线圈位于相对于屋顶（10）的中心大致径向设置的相应垂直平面上的螺旋线（15），线圈（15）限定了第一外层（17）和第二内层（18）的管道），第一外层（17）和第二内层（18）由中空空间（1）隔开 9）位于适合于炉顶（10）的构造的平面上，并且用作吸气环（19）以使烟气循环并将其从炉内向着排出孔（16）引导。

10. 发明授权

US5850413A Device to support and swing the hearth in an electric furnace 失效
标题翻译：在电炉中支撑和摆动炉床的装置
公开(公告)号：US5850413A
公开(公告)日：1998-12-15
申请号：US951740
申请日：1997-10-16
申请人： Gianni Gensini , Daniele Merlino , Angelico Della Negra
发明人： Gianni Gensini , Daniele Merlino , Angelico Della Negra
IPC分类号： C21C5/42 , C21C5/52 , F27B3/06 , F27B14/02
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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