20250178081. Immersion Nozzle (NIPPON STEEL)
IMMERSION NOZZLE
Abstract: an immersion nozzle for discharging molten steel supplied from a tundish into a mold for continuous casting of a slab includes a discharge portion that supplies the molten steel to the mold, wherein the immersion nozzle includes two regions divided by a plane in a thickness direction, the plane passing through an axial center, the discharge portion includes: a bottom portion; and a side wall that extends in a height direction from an outer edge of the bottom portion, four discharge holes are formed in the discharge portion, two discharge hole are arranged side by side in a width direction in each of the regions in the bottom portion of the discharge portion.
Inventor(s): Yuichi TSUKAGUCHI, Kodai FUJITA, Sho NAKANO, Nobuhiro OKADA, Takeru HATANAKA, Nobuyuki TAKAHIRA
CPC Classification: B22D41/50 (CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state ; metallurgical processing, selection of substances to be added to metal , ))
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