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Seminário de Aciaria, Fundição e Metalurgia de Não-ferrosos


ISSN 2594-5300

Título

EOF INJECTORS CONFIGURATION TO REDUCE MIXING TIME MEASURE VIA CONDUCTIVIMETRY AND LUCIMETRY

EOF INJECTORS CONFIGURATION TO REDUCE MIXING TIME MEASURE VIA CONDUCTIVIMETRY AND LUCIMETRY

Autoria

DOI

10.5151/2594-5300-42080

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Resumo

EOF is a 100% national reactor equipped with a scrap preheater and 4 oxygen injection points. This article investigates two parameters of these oxygen injectors through a physical model on a 1/6 scale of the industrial reactor. It also brings the novelty of measuring the mixing time using two techniques simultaneously: conductivity meter and lux meter. The results show that higher flow rates and shorter bath launch distances lead to shorter mixing times. It also presents a distinction between the readings by the two techniques depending on the reading method versus test conditions. Finally, it allows evaluating the best configuration that minimizes the passage of material through the slag port.

 

EOF IS A 100% NATIONAL REACTOR EQUIPPED WITH A SCRAP PREHEATER AND 4 OXYGEN INJECTION POINTS. THIS ARTICLE INVESTIGATES TWO PARAMETERS OF THESE OXYGEN INJECTORS THROUGH A PHYSICAL MODEL ON A 1/6 SCALE OF THE INDUSTRIAL REACTOR. IT ALSO BRINGS THE NOVELTY OF MEASURING THE MIXING TIME USING TWO TECHNIQUES SIMULTANEOUSLY: CONDUCTIVITY METER AND LUX METER. THE RESULTS SHOW THAT HIGHER FLOW RATES AND SHORTER BATH LAUNCH DISTANCES LEAD TO SHORTER MIXING TIMES. IT ALSO PRESENTS A DISTINCTION BETWEEN THE READINGS BY THE TWO TECHNIQUES DEPENDING ON THE READING METHOD VERSUS TEST CONDITIONS. FINALLY, IT ALLOWS EVALUATING THE BEST CONFIGURATION THAT MINIMIZES THE PASSAGE OF MATERIAL THROUGH THE SLAG PORT.

Palavras-chave

Mixing Time, EOF, injector, yield, conductivimetry, lucimetry

Mixing Time, EOF, injector, yield, conductivimetry, lucimetry

Como citar

Cardoso, Rafaela; Junior, Carlos Silame; Lemos, Leandro Rocha; Maia, Breno Totti; Nogueira, Caio Diniz; Araujo, Ely. EOF INJECTORS CONFIGURATION TO REDUCE MIXING TIME MEASURE VIA CONDUCTIVIMETRY AND LUCIMETRY, p. 282-292. In: 54º Seminário de Aciaria, Fundição e Metalurgia de Não-Ferrosos, São Paulo, Brasil, 2025.
ISSN: 2594-5300, DOI 10.5151/2594-5300-42080