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1. 发明专利

AU736162B2 Loading system for electric arc furnaces 未知
公开(公告)号：AU736162B2
公开(公告)日：2001-07-26
申请号：AU7070798
申请日：1998-05-08
申请人： DANIELI OFF MECC
发明人： GIANNOULIDIS IOANNIS , NEGRA ANGELICO DELLA , LOSCIALE MATTEO VITTORIO
IPC分类号： C21C5/52 , C21C5/56 , F27D13/00 , F27D17/00 , F27B3/18
摘要： Loading system for an electric arc furnace (11) includes a loading station (20a), a pre-heating station (20b) and a pick-up and moving device (15) provided with an arm (17) rotating on a circumference on which the furnace (11), the loading station (20a) and the pre-heating station (20b) lie. The loading station (20a) being distanced from the pre-heating station (20b), the loading element (16) being suitable to be located in or removed from each of the loading (20a) and pre-heating (20b) stations. The manipulator arm (17) also is suitable to be moved vertically to move the loading element (16) between the loading station (20a), the pre-heating station (20b) and a position above the furnace (11), in the pre-heating station (20b) the container (12, 112, 212) being suitable to cooperate with the air-tight cover (23) and at the lower part with a combustion chamber (21) The air-tight cover (23) is movable both vertically and rotatably on a horizontal plane, the fume-discharge conduit (22) being at least partly coaxial with the axis of rotation of the air-tight cover (23).

2. 发明专利

AU719391B2 Cooling system for electrodes in D.C. electric arc furnaces 未知
公开(公告)号：AU719391B2
公开(公告)日：2000-05-11
申请号：AU3836797
申请日：1997-09-19
申请人： DANIELI OFF MECC
发明人： PAVLICEVIC MILORAD , KOLESNICHENKO ANATOLY , NEGRA ANGELICO DELLA , POLONI ALFREDO
IPC分类号： C21C5/52 , F27D1/12 , H05B7/12 , F27B3/24
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).

3. 发明专利

AU713508B2 Cooling device for the roof in electric arc furnaces 未知
公开(公告)号：AU713508B2
公开(公告)日：1999-12-02
申请号：AU1900397
申请日：1997-04-21
申请人： DANIELI OFF MECC
发明人： PAVLICEVIC MILROAD , TISHCHENKO PETER , POLONI ALFREDO , NEGRA ANGELICO DELLA
IPC分类号： F27D1/18 , F27D1/12 , F27B3/24

4. 发明专利

AU6306898A Method to load scrap for electric arc furnace and relative system 未知
公开(公告)号：AU6306898A
公开(公告)日：1998-10-20
申请号：AU6306898
申请日：1998-03-23
申请人： DANIELI OFF MECC
发明人： BENEDETTI GIAMPIETRO , PAVLICEVIC MILORAD , POLONI ALFREDO , GENSINI GIANNI , NEGRA ANGELICO DELLA
IPC分类号： C21C5/52 , C21C5/56 , F27B3/08 , F27B3/18 , F27D1/18 , F27D13/00
摘要： PCT No. PCT/IB98/00429 Sec. 371 Date Sep. 27, 1999 Sec. 102(e) Date Sep. 27, 1999 PCT Filed Mar. 23, 1998 PCT Pub. No. WO98/43032 PCT Pub. Date Oct. 1, 1998Method 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).

5. 发明专利

MX9703143A DISPOSITIVO DE ESCAPE PARA HORNOS DE ARCO ELECTRICO Y METODO RELACIONADO. 未知
公开(公告)号：MX9703143A
公开(公告)日：1998-06-30
申请号：MX9703143
申请日：1997-04-29
申请人： DANIELI OFF MECC
发明人： PAVLICEVIC MILORAD , TISHCHENKO PETER , POLONI ALFREDO , NEGRA ANGELICO DELLA
IPC分类号： F27B3/24 , F27D17/00 , F27D09/00 , F27D11/00
摘要： Dispositivo de escape para horno de arco eléctrico (11) alimentado por corriente alterna o directa, el horno (11) comprendiendo una corona (20) con por lo menos una abertura (19) para introducir y colocar los electrodos (12) asociados con una cupula, en una posicion elevada verticalmente, que rodea parcialmente los electrodos (12) en una direccion vertical, la cupula teniendo un diámetro más pequeño que el de la corona (20), incluyéndose un cuarto orificio conectado a la tubería de descarga para los gases (14), la cupula estando en posicion elevada verticalmente y la tubería de descarga para los gases regulados por los medios para succionar los gases, el dispositivo estando caracterizado porque la cupula que funciona como una cámara de decantacion (13) de forma substancialmente cilíndrica, la cupula funcionando como una cámara de decantacion (13) incluyendo en su parte superior un conducto (15) para descargar los gases que se proyectan tangencialmente y conectan la cupula que funciona como una cámara de decantado (13) a la tubería de descarga (14) colocada en el costado de la cupula (13). Método para succionar gases para un horno de arco eléctrico alimentado por corriente alterna o directa, en donde el horno incluye un cuarto orificio conectado a una tubería de descarga (14) para los gases asociados con una planta con medios para succionar los gases, la corriente de gases succionados estando dividida, antes de entrar en la tubería de descarga principal (14) en dos corrientes, de las cuales, la primera rodea los electrodos superiores (12) y se eleva por arriba de la corona (20) del horno adentro de la cupula que funciona como una cámara de decantacion (13), la corriente siendo inducida para elevarse con un desarrollo espiral, y la segunda corriente pasando directamente desde el cuarto orificio de la tubería de descarga (14).

6. 发明专利

AU727562B2 System to load pre-heated scrap by means of baskets for electric arc furnace 未知
公开(公告)号：AU727562B2
公开(公告)日：2000-12-14
申请号：AU6306798
申请日：1998-03-23
申请人： DANIELI OFF MECC
发明人： BENEDETTI GIAMPIETRO , PAVLICEVIC MILORAD , POLONI ALFREDO , GENSINI GIANNI , NEGRA ANGELICO DELLA
IPC分类号： C21C5/52 , C21C5/56 , F27B3/08 , F27B3/18 , F27D3/00 , F27D13/00
摘要： PCT No. PCT/IB98/00428 Sec. 371 Date Sep. 27, 1999 Sec. 102(e) Date Sep. 27, 1999 PCT Filed Mar. 23, 1998 PCT Pub. No. WO98/46956 PCT Pub. Date Oct. 22, 1998System 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).

7. 发明专利

BR9808085A 未知
公开(公告)号：BR9808085A
公开(公告)日：2000-03-08
申请号：BR9808085
申请日：1998-03-23
申请人： DANIELI OFF MECC
发明人： BENEDETTI GIAMPIETRO , PAVLICEVIC MILORAD , POLONI ALFREDO , GENSINI GIANNI , NEGRA ANGELICO DELLA
IPC分类号： C21C5/56 , C21C5/52 , F27B3/08 , F27D1/12 , F27D3/00 , F27D13/00
摘要： PCT No. PCT/IB98/00427 Sec. 371 Date Sep. 27, 1999 Sec. 102(e) Date Sep. 27, 1999 PCT Filed Mar. 23, 1998 PCT Pub. No. WO98/42880 PCT Pub. Date Oct. 1, 1998Basket 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.

8. 发明专利

AU6306798A System to load pre-heated scrap by means of baskets for electric arc furnace 未知
公开(公告)号：AU6306798A
公开(公告)日：1998-11-11
申请号：AU6306798
申请日：1998-03-23
申请人： DANIELI OFF MECC
发明人： BENEDETTI GIAMPIETRO , PAVLICEVIC MILORAD , POLONI ALFREDO , GENSINI GIANNI , NEGRA ANGELICO DELLA
IPC分类号： C21C5/52 , C21C5/56 , F27B3/08 , F27B3/18 , F27D3/00 , F27D13/00
摘要： PCT No. PCT/IB98/00428 Sec. 371 Date Sep. 27, 1999 Sec. 102(e) Date Sep. 27, 1999 PCT Filed Mar. 23, 1998 PCT Pub. No. WO98/46956 PCT Pub. Date Oct. 22, 1998System 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).

9. 发明专利

MX9707406A SISTEMA DE ENFRIAMIENTO PARA ELECTRODOS EN HORNOS DE ARCO ELECTRICO DE CORRIENTE ELECTRICA. 未知
公开(公告)号：MX9707406A
公开(公告)日：1998-07-31
申请号：MX9707406
申请日：1997-09-26
申请人： DANIELI OFF MECC
发明人： POLONI ALFREDO , NEGRA ANGELICO DELLA , PAVLICEVIC MILORAD , KOLESNICHENKO ANATOLY
IPC分类号： C21C5/52 , F27D1/12 , H05B7/12 , F27B03/00
摘要： Un sistema de enfriamiento para electrodos (11) en hornos de arco eléctrico de corriente directa, comprendiendo los electrodos (11) una parte (11a) sometida al medio ambiente caliente del horno, haciéndose esta parte de grafito en el caso de un cátodo, y de cobre en el caso de un ánodo, estando la parte (11a) asociada con una parte metálica (11b) por medio de una junta (13) que incluye adentro de la misma un hueco (14), que comprende cuando menos en correspondencia con la parte metálica (11b), un circuito de enfriamiento (20) con cuando menos un canal de entrega (15), un canal de retorno (16), y un intercambiador de calor (18), utilizando el circuito (20) metal líquido como un fluido de enfriamiento, incluyéndose también un elemento para la circulacion forzada del fluido de enfriamiento, el cual consiste en una bomba hidromagnética (17).

10. 发明专利

AU4191097A Device to support and swing the hearth in an electric furnace 未知
公开(公告)号：AU4191097A
公开(公告)日：1998-04-23
申请号：AU4191097
申请日：1997-10-17
申请人： DANIELI OFF MECC
发明人： GENSINI GIANNI , MERLINO DANIELE , NEGRA ANGELICO DELLA
IPC分类号： C21C5/42 , C21C5/52 , F27B3/06 , F27B3/08 , F27B3/19
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.

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