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Preliminary communication

Improvement of methods for semi-finished carbon product tapping from the basic oxygen furnace (BOF)

R. K. Zhaslan ; Karaganda Industrial University, Temirtau, Kazakhstan
B. A. Zhautikov ; Karaganda Industrial University, Temirtau, Kazakhstan
V. I. Romanov ; Karaganda Industrial University, Temirtau, Kazakhstan
A. A. Aikeyeva ; Karaganda Industrial University, Temirtau, Kazakhstan
A. S. Yerzhanov ; Karaganda Industrial University, Temirtau, Kazakhstan


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Abstract

The article considers the experience of optimizing the slag adjustment mode in the Basic Oxygen Furnace (BOF) and reducing the proportion of oxide non-metallic impurities in steel. The article presents the results of a research on the separation of slag from metal during the starting period of carbon semi-product tapping, on the elimination of an emergency situation when the hole is shut up at any degree of slag viscosity, the use of the device at any tap hole diameter after the heat, the simplicity of the design. The use of the device makes it possible to increase the durability of the taphole lining, reduce repair costs, and improve the quality of steel by reducing non-metallic impurities. The innovative devices proposed by the author can be useful for metallurgical enterprises.

Keywords

steel; BOF; carbon product; oxides; slag separating

Hrčak ID:

262419

URI

https://hrcak.srce.hr/262419

Publication date:

3.1.2022.

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