Electromagnetic stirrer coil

B - Operations – Transporting – 22 – D

Patent

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B22D 11/115 (2006.01)

Patent

CA 2583488

The present invention provides a previously unattainable compact and high thrust electromagnetic stirrer coil, that is, an electromagnetic stirrer coil for stirring molten steel in a mold by electromagnetic force, in which a space factor of the yoke sectional area (-) with respect to an inside area in a vertical cross-section of said electromagnetic stirrer coil is 0.5 to 0.9 and a yoke width B is 100 mm to 300 mm. Preferably, a magnetomotive force F of said electromagnetic stirrer coil divided by the yoke width B, that is, a value of F/B, is 800 kAT/m or more.

L~invention concerne une bobine compacte d~agitation à induction de poussée élevée, non encore réalisée de manière conventionnelle. La bobine d~agitation à induction remue de l~acier fondu dans un moule par une force électromagnétique. Le taux d~occupation (-) de la section transversale du bloc de déviation par rapport à la zone interne de la section transversale de la bobine d~agitation à induction est supérieur ou égal à 0,5 et la largeur du bloc de déviation B est supérieure ou égale à 100 mm et inférieure ou égale à 300 mm. La valeur F/B obtenue en divisant la force magnétomotrice F de la bobine d~agitation à induction par la largeur du bloc de déviation B est de préférence supérieure ou égale à 800 kAT/m.

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