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FR2444718A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

METHOD OF BLOWING A GAS, FROM BELOW, INTO MOLTEN STEEL CONTAINED IN A REFINING CRUCIBLE

Assignee: JFE Steel Corp
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Filing: 1979-12-19
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Granted: —
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Expires: 1999-12-19
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Abstract

Abstract Translated from French Méthode de soufflage d'un gaz, par dessous, dans un acier en fusion contenu dans un creuset d'affinage. La paroi inférieure 6' du creuset comporte une ouverture 7 de soufflage de gaz qui vient obturer un bouchon tronconique 8 présentant lui-même un alésage de faible diamètre 9 et sur lequel on place une garniture granulaire 11 que la pression du gaz de soufflage peut enlever facilement En raccordant au gaz la garniture 11 saute, ce qui permet le soufflage du gaz. Ce soufflage terminé, une portion de l'acier en fusion vient dans l'alésage 9, s'y refroidit et obture ainsi le bouchon. Method of blowing a gas, from below, into a molten steel contained in a refining crucible. The lower wall 6 'of the crucible has a gas blowing opening 7 which closes a frustoconical plug 8 itself having a small diameter bore 9 and on which a granular lining 11 is placed that the pressure of the blowing gas can remove. easily By connecting the gas, the gasket 11 jumps, which allows the gas to be blown. Once this blowing is complete, a portion of the molten steel enters the bore 9, cools there and thus closes the plug.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 23:38
CPC Classifications
B; B22; B22D; B22D1/00; B22D1/002; B22D1/005

Claims Analysis

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References Cited (Backward Citations)

DE595312C Cited
DE763565C Cited
US2855293A Cited
DE1096039B Cited
FR1347014A Cited
GB1452909A Cited
DE2801487A1 Cited

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