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Metallurgist

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01-11-2015

Development of an Innovative Technology for Making Steel

Author: G. V. Kashakashvili

Published in: Metallurgist | Issue 7-8/2015

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Abstract

An innovative technology that includes the production, deoxidation, and refining of steel in a single piece of equipment instead of two expensive units – an ultrahigh-power electric-arc steelmaking furnace and a secondary steel-treatment unit – has been invented. The technology was developed based on results from studies of carbonization and decarbonization in a steelmaking (open-hearth) bath and experience in the ladle treatment of steel with nitrogen and slag-forming reagents injected through the discharge opening of the slide gate. The bath carbonization and decarbonization took place while natural gas and compressed air were injected deep into the metal through the furnace’s tap hole.

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Proc. 13th Int. Congr. Steelmakers, Polevskoy, Russia, Oct. 12–18, 2014, Seversky Pipe Plant (2014), pp. 248–252,258–265, 265–269.

G. V. Kashakashvili, A. G. Gabisiani, I. G. Kashakashvili, and A. G. Shalimov, “Deep blowing of steel through the tap holes of furnaces,” Metallurg, No. 2, 78–79 (2010).

G. V. Kashakashvili, I. G. Kashakashvili, and O. Sh. Mikadze, “Technology for making steel in an improved ladle treatment unit,” Stal, No. 7, 14–18 (2013).

G. Kashakashvili, B. Kashakashvili, and I. Kashakashvili, Patent No. 2405046 RF, IPC C22B9/00, “Method of producing, deoxidizing, alloying, and treating steel,” subm. 07.17.2009, publ. 11.27.2010, Byull., No. 33.

Title: Development of an Innovative Technology for Making Steel
Author: G. V. Kashakashvili
Publication date: 01-11-2015
Publisher: Springer US
Published in: Metallurgist / Issue 7-8/2015
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI: https://doi.org/10.1007/s11015-015-0142-1

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