Investigations of Dual Plug Argon Blowing for Efficient Mixing at Ladle Furnace Station

• Autorzy: Warzecha Marek , Hutny A. , Warzecha P. , Kutyła Z. , Merder T.

Identyfikatory

DOI

10.24425/amm.2021.135893

• Języki publikacji: EN

Abstrakty

EN

The article presents the results of model research concerning the change of technology of argon blowing into liquid steel at the ladle furnace, using the dual plug system. The results of numerical simulations were verified with experimental data carried out on the water model device. The verified model was used to perform numerical simulations to predict the impact of using a new gas injection technology - with different flow rates - on the time to achieve the assumed degree of metal chemical homogenization after alloy addition. Simulation results show that argon blowing metal bath in dual plug mode can effectively reduce mixing time compared to conventional technology with the same gas flow rates. Generally, the use of the dual plug system is beneficial for reducing the bath mixing time, however, the assumed optimal proportion of gas blown through individual plug should be followed. Finally, numerical predictions were used to perform experimental melt under industrial conditions. Industrial verification has clearly confirmed the validity of numerical modeling and showed that also in industrial conditions, a shorter time of chemical homogenization was obtained for the dual plug system.

Słowa kluczowe

EN

steelmaking; ladle furnace; numerical modelling; physical modeling

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2021
• Tom: Vol. 66, iss. 2
• Strony: 561--572
• Opis fizyczny: Bibliogr. 45 poz., fot., rys., tab., wykr., wzory

Twórcy

autor

Warzecha Marek

• Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, 19 Armii Krajowej Av., 42-200 Czestochowa, Poland

autor

Hutny A.

• Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, 19 Armii Krajowej Av., 42-200 Czestochowa, Poland

autor

Warzecha P.

• Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, 19 Armii Krajowej Av., 42-200 Czestochowa, Poland

autor

Kutyła Z.

• CMC Poland Sp. z o.o., 82 Piłsudskiego Str., 42-400 Zawiercie, Poland

autor

Merder T.

• Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, 8 Krasinskiego Str., 40-019 Katowice, Poland

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Uwagi

1. This paper was created with the support financed jointly by the EU and the National Centre for Research and Development conducted within the framework of the Operational Programme „Smart Growth 2014-2020”, project No PoIr.01.02.00-00-0159/16.

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).