Device for controlling flow in mold and method for controlling flow in mold in thin-slab casting

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United States of America Patent

PATENT NO 11358213
APP PUB NO 20210205877A1
SERIAL NO

17059686

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Abstract

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The device for controlling a flow in a mold in thin-slab casting of steel has a thickness on the short side of the meniscus portion of 150 mm or less and a casting width of 2 m or less and includes a DC magnetic field generation unit and an immersion nozzle having a slit formed at the bottom so that the slit leads to the bottom of the discharge hole and opens outside, the discharge hole and the slit are present in the DC magnetic field zone, and the magnetic flux density B (T) in the DC magnetic field zone and the distance L (m) from the lower end of the immersion nozzle to the lower end of the core satisfy Formulae (1) and (2) described below:

description='In-line Formulae' end='lead'0.35T≤B≤1.0T  Formula (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'L≥0.06 m  Formula (2)description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATION6-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008071 ?1008071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Hiroshi Tokyo, JP 339 4451
Ikeda, Keita Tokyo, JP 13 33
Ito, Yui Tokyo, JP 10 12
Sakamoto, Masashi Tokyo, JP 79 632
Takayama, Takuya Tokyo, JP 33 44

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