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1. WO2014155357 - METHOD AND APPARATUS FOR MOVING MOLTEN METAL

Publication Number WO/2014/155357
Publication Date 02.10.2014
International Application No. PCT/IB2014/060273
International Filing Date 28.03.2014
IPC
B22D 11/115 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11Continuous casting of metals, i.e. casting in indefinite lengths
10Supplying or treating molten metal
11Treating the molten metal
114by using agitating or vibrating means
115by using magnetic fields
B22D 11/12 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11Continuous casting of metals, i.e. casting in indefinite lengths
12Accessories for subsequent treating or working cast stock in situ
B22D 27/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
27Treating the metal in the mould while it is molten or ductile
02Use of electric or magnetic effects
H01F 7/20 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
7Magnets
06Electromagnets; Actuators including electromagnets
20without armatures
H02K 44/08 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
44Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
08Magnetohydrodynamic generators
H05B 6/34 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
02Induction heating
34Arrangements for circulation of melts
CPC
B22D 11/115
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11Continuous casting of metals, i.e. casting in indefinite lengths
10Supplying or treating molten metal
11Treating the molten metal
114by using agitating or vibrating means
115by using magnetic fields
B22D 11/122
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
11Continuous casting of metals, i.e. casting in indefinite lengths
12Accessories for subsequent treating or working cast stock in situ
122using magnetic fields
B22D 27/02
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
27Treating the metal in the mould while it is molten or ductile
02Use of electric or magnetic effects
F27D 2003/0039
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
3Charging; Discharging; Manipulation of charge
0034Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
0039comprising magnetic means
F27D 2003/0054
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
3Charging; Discharging; Manipulation of charge
0034Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
0054Means to move molten metal, e.g. electromagnetic pump
F27D 27/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
27Stirring devices for molten material
Applicants
  • PAVLOV, Evgeny [RU]/[RU]
  • IVANOV, Dmitry Nikolaevich [RU]/[RU] (US)
  • GASANOV, Pavel Olegovich [RU]/[RU] (US)
  • GULAYEV, Andrew Ivanovich [RU]/[RU] (US)
Inventors
  • PAVLOV, Evgeny
  • IVANOV, Dmitry Nikolaevich
  • GASANOV, Pavel Olegovich
  • GULAYEV, Andrew Ivanovich
Agents
  • PAWLYN, Anthony Neil
Priority Data
1305822.728.03.2013GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR MOVING MOLTEN METAL
(FR) PROCÉDÉ ET APPAREIL PERMETTANT DE DÉPLACER DU MÉTAL À L'ÉTAT FONDU
Abstract
(EN)
Methods and apparatus for moving a molten metal are provided in which the electromagnetic inductor includes at least two pairs of electromagnetic pole pairs and in which a first magnetic field component is generated between one pole in a first electromagnetic pole pair and a second pole in a different electromagnetic pole pair, and in which a second magnetic field component is generated between the two poles in one or more electromagnetic pole pairs, the second magnetic field component thereby generating one or more eddy currents in the molten metal. Those eddy currents are generally parallel to the surface of the molten metal and so have greater magnitude and extent that eddy currents perpendicular to the surface. Such eddy currents provide useful additional movement to the molten metal, for instance for stirring purposes, particularly when the depth of molten metal is small.
(FR)
La présente invention concerne des procédés et un appareil destinés à déplacer un métal fondu, l'inducteur électromagnétique comprenant au moins deux paires de pôles électromagnétiques et un premier composant de champ magnétique étant généré entre un pôle dans une première paire de pôles électromagnétiques et un second pôle dans une paire de pôles électromagnétiques différente, et un second composant de champ magnétique étant généré entre les deux pôles dans une ou plusieurs paires de pôles électromagnétiques, le second composant de champ magnétique générant ainsi un ou plusieurs courants de Foucault dans le métal fondu. Lesdits courants de Foucault sont généralement parallèles à la surface du métal fondu et présentent donc une amplitude et une étendue supérieures à celles des courants de Foucault perpendiculaires à la surface. Lesdits courants de Foucault procurent un déplacement supplémentaire utile au métal fondu, par exemple à des fins d'agitation, en particulier lorsque la profondeur du métal fondu est réduite.
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