Development of RH-powder top blowing process

Y. Okada; S. Fukagawa; K. leda; K. Maya; H. Ikemiya; K. Shinme

doi:10.1051/metal/199491060923

All issues

Volume 91 / No 6 (Juin 1994)

Rev. Met. Paris, 91 6 (1994) 923-930

Abstract

Issue		Rev. Met. Paris Volume 91, Number 6, Juin 1994


Page(s)		923 - 930
DOI		https://doi.org/10.1051/metal/199491060923
Published online		23 January 2017

Rev. Met. Paris, Vol. 91, N°6 (Juin 1994), pp. 923–930

Development of RH-powder top blowing process ^*

Développement d’un procédé d’injection de poudre pour le RH

Y. Okada, S. Fukagawa, K. leda, K. Maya, H. Ikemiya and K. Shinme

Abstract

The RH-PB (RH-Powder Top Blowing) method is the new refining process in which the pulverized material is blown into the molten metal through the water-cooled lance set in RH. By this method, the following new refining functions can be realized :

–
desulphurization by the blowing of CaO-based flux ;
–
acceleration of decarburization at [C] less than 20 ppm by the blowing of Fe₂O₃.

^*

Subject of lecture at the ATS Steelmaking Conference 1993 (Paris, 15-16 December, 1993, Session 10).

© La Revue de Métallurgie 1994

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