Improved continuous casting mold and method

Details Improved continuous casting mold and method Improved continuous casting mold and method

B - Operations, Transporting

22

D

B22D 11/124 (2006.01) B22D 11/04 (2006.01) B22D 11/055 (2006.01)

Patent

CA 2284190

An improved mold assembly (12) for a continuous casting machine includes a mold liner assembly (30) having an inner surface (32) defining a casting space (14) in which molten metal is shaped and cooled, an immersion nozzle (20), terminating within the casting space (14), for introducing molten metal into the casting space (14), and selective cooling structure (34) for selectively cooling the mold liner assembly (30) in such a manner that cooling is directed in varying intensities to different portions of the inner surface (32) of the mold liner assembly (30) according to predetermined circulation patterns (26) in the molten metal, whereby heat transfer inequality as a result of convection is accommodated over the entire inner surface of the mold liner assembly (30).

Ensemble moule amélioré (12) conçu pour une machine à couler en continu et comprenant un ensemble doublure (30) de moule possédant une surface intérieure (32) définissant un espace de coulage (14) dans lequel le métal en fusion est façonné et refroidi, une buse d'immersion (20) débouchant à l'intérieur de l'espace de coulage (14) et servant à introduire le métal en fusion dans cet espace de coulage (14), ainsi qu'une structure de refroidissement sélectif (34) servant à refroidir de façon sélective l'ensemble doublure (30), de sorte que le refroidissement est dirigé selon des intensités variables vers différentes parties de la surface intérieure (32) de l'ensemble doublure (30) d'après des configurations prédéterminées (26) de circulation dans le métal en fusion, ce qui permet à la totalité de la surface intérieure de l'ensemble doublure (30) de moule d'absorber l'irrégularité de transfert thermique sous l'effet de la convection.

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