TUNDISH FOR CONTINUOUS CASTING

PROBLEM TO BE SOLVED: To sufficiently separate and remove fine inclusions of not more than 100 μm in molten steel. SOLUTION: In a tundish 1 for continuous casting, an upper bank 20 and a lower bank 21 are installed in a molten steel path F between a pouring nozzle 10 of molten steel M from a ladle 1...

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Main Authors MOROHOSHI TAKASHI, FUJI TAKEHIKO, IWAO MASAMITSU, SHIGEMATSU KIYOSHI, SHIRAGAMI TAKAYUKI, FUCHIGAMI KATSUHIRO
Format Patent
LanguageEnglish
Published 12.04.2007
Subjects
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To sufficiently separate and remove fine inclusions of not more than 100 μm in molten steel. SOLUTION: In a tundish 1 for continuous casting, an upper bank 20 and a lower bank 21 are installed in a molten steel path F between a pouring nozzle 10 of molten steel M from a ladle 11 and an outlet 12 of molten steel M to a mold. The upper bank 20 and the lower bank 21 are arranged upward and downward at the same position in the molten steel path F. A slit 22 through which the molten steel M flows is formed between the upper bank 20 and the lower bank 21. An opening area of the slit 22 is set so as to be 20% and less of a cross section area of the maximum molten steel flowing path which corresponds to the highest molten steel surface level. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050287135