NOZZLE STRUCTURE

The purpose of the present invention is to improve the sealing ability of a nozzle structure for discharging molten steel, which comprises a plurality of refractory members, and which has joint portions. This nozzle structure for discharging molten steel is provided with, at one or more locations, j...

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Bibliographic Details
Main Authors KURODA, TAKAHIRO, OKADA, TAKUYA, MIZOBE, ARITO, SADANO, TAKASHI, FUKUNAGA, SHINICHI
Format Patent
LanguageEnglish
French
Published 03.08.2017
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:The purpose of the present invention is to improve the sealing ability of a nozzle structure for discharging molten steel, which comprises a plurality of refractory members, and which has joint portions. This nozzle structure for discharging molten steel is provided with, at one or more locations, joint portions that each join vertically divided segments of a molten steel discharge path having an inner hole 5, wherein an inner hole sleeve 6 made of a refractory is disposed on the inner hole surface of the nozzle structure in such a manner as to straddle at least one of the joint portions in the vertical direction.
Bibliography:Application Number: CA20163011206