Insights About the Influence of the Refractory Purging Device on the Kinetics of Nonmetallic Inclusion Removal in Steelmaking

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Insights About the Influence of the Refractory Purging Device on the Kinetics of Nonmetallic Inclusion Removal in Steelmaking

Conference Paper (2025)

Author(s)

Luís Otávio Z. Falsetti (Universidade Federal de São Carlos)

Florian Charruault (Tata Steel Europe Limited)

R. Delfos (TU Delft - Large Scale Energy Storage)

Bruno Luchini (Tata Steel Europe Limited)

Dirk Van Der Plas (Tata Steel Europe Limited)

Victor C. Pandolfelli (Universidade Federal de São Carlos)

Research Group

Large Scale Energy Storage

DOI related publication

https://doi.org/10.33313/389/106

Non-metallic inclusion Clean steel Porous brick Purging beam Tundish purging

To reference this document use:

https://resolver.tudelft.nl/uuid:710be116-1161-47bd-8737-de430cb72490

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Publication Year

2025

Language

English

Research Group

Large Scale Energy Storage

Bibliographical Note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/publishing/publisher-deals Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.@en

Pages (from-to)

987-995

Reuse Rights

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Abstract

Beyond metallurgical aspects to yield clean steels, purging plugs in the ladle and beams in the tundish play a key role in generating bubble curtains to maximize the nonmetallic inclusion removal in a short time. However, technical challenges might be noted on how to control the bubble size through the design of the purging device and how to predict the kinetics of induced flotation for each bubble plume. Therefore, this work investigated two bubble size distributions and their effect on the kinetics of particle removal in a water model, providing insights into the design of purging devices for clean steelmaking.

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