METHOD FOR UNINTERRUPTED STEEL FINING IN INTERMEDIATE CASTING LADLES

A method for uninterrupted steel fining in intermediate casting ladles involves its transmission through the distributing partition with channels of different direction relatively to the vertical axis of the partition for metal passing and lancing with rare gas from below. Liquid steel flow with the...

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Main Authors KRUTIKOV VASYL PETROVYCH, NOSOCHENKO OLEH VASYLIOVYCH, ISAIEV OLEH BORYSOVYCH, DIIUK YEVHEN PYLYPOVYCH, HANOSHENKO IHOR VOLODYMYROVYCH, LEPIKHOV LEONID SERHIOVYCH
Format Patent
LanguageEnglish
Published 10.09.2007
Subjects
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A method for uninterrupted steel fining in intermediate casting ladles involves its transmission through the distributing partition with channels of different direction relatively to the vertical axis of the partition for metal passing and lancing with rare gas from below. Liquid steel flow with thechange of direction of the separate submerged streams passing is carried out simultaneously, according to the ratio F2Fh = 0.50 ? 0.65, in which: F2 - is total area of horizontal channels cross section; Fh - is total area of inclined channels cross section, through which steel flow in the direction to the opened surface is carried out, and lancing with rare gas is carried out in the zone at the distance of 7 ? 11 effective diameters of channels from the partition with the intensity of 0.20 ? 0.40 m3/min.
Bibliography:Application Number: UA20070004339U