ISSN 2594-5300
51° Seminário de Fusão, Refino e Solidificação de Metais — vol. 51, num.51 (2022)
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PROCESS STABILITY IS AN ESSENTIAL CIRCUMSTANCE TO DELIVER BETTER QUALITY INDEXES ON THE STEEL SLAB PRODUCED. THEREFORE, SUPPORTING THAT MOLD LEVEL FLUCTUATIONS ARE MINIMIZED IS PARAMOUNT. THE CONTINUOUS CASTING PROCESS IS COMPOSED OF NUMEROUS VARIABLES THAT MUST BE OPTIMIZED AIMING AT HIGHER PRODUCTIVITY AND FEWER OCCURRENCES OF DEFECTS. THE STEEL FLOW CONTROL BETWEEN THE TUNDISH AND THE MOLD AT TERNIUM BRAZIL'S CONTINUOUS CASTING MACHINE IS DONE THROUGH A STOPPER ROD. THE PRESENT WORK COMPARES SCENARIOS BEFORE AND AFTER A PROPOSAL TO INCREASE THE OSCILLATION AMPLITUDE OF THIS EQUIPMENT. TO DEFINE THE MAIN OPERATIONAL VARIABLES THAT INFLUENCED THE STABILITY OF THE MENISCUS, A CORRELATION STUDY WAS ALSO CARRIED OUT. FOR THE STEEL GRADES ANALYZED, THE RESULTS SHOWED SMALLER LEVEL VARIATIONS WHEN IMPLEMENTING THE AMPLITUDE ADJUSTMENT. THE CORRELATION ANALYSIS MADE IT POSSIBLE TO DEFINE CRITICAL PARAMETERS TO BE CONSIDERED IN FUTURE STUDIES.
PROCESS STABILITY IS AN ESSENTIAL CIRCUMSTANCE TO DELIVER BETTER QUALITY INDEXES ON THE STEEL SLAB PRODUCED. THEREFORE, SUPPORTING THAT MOLD LEVEL FLUCTUATIONS ARE MINIMIZED IS PARAMOUNT. THE CONTINUOUS CASTING PROCESS IS COMPOSED OF NUMEROUS VARIABLES THAT MUST BE OPTIMIZED AIMING AT HIGHER PRODUCTIVITY AND FEWER OCCURRENCES OF DEFECTS. THE STEEL FLOW CONTROL BETWEEN THE TUNDISH AND THE MOLD AT TERNIUM BRAZIL'S CONTINUOUS CASTING MACHINE IS DONE THROUGH A STOPPER ROD. THE PRESENT WORK COMPARES SCENARIOS BEFORE AND AFTER A PROPOSAL TO INCREASE THE OSCILLATION AMPLITUDE OF THIS EQUIPMENT. TO DEFINE THE MAIN OPERATIONAL VARIABLES THAT INFLUENCED THE STABILITY OF THE MENISCUS, A CORRELATION STUDY WAS ALSO CARRIED OUT. FOR THE STEEL GRADES ANALYZED, THE RESULTS SHOWED SMALLER LEVEL VARIATIONS WHEN IMPLEMENTING THE AMPLITUDE ADJUSTMENT. THE CORRELATION ANALYSIS MADE IT POSSIBLE TO DEFINE CRITICAL PARAMETERS TO BE CONSIDERED IN FUTURE STUDIES.
Palavras-chave
Steelmaking; Continuous Casting; Slab Quality; Mold Level; Stopper Rod; Oscillation Amplitude
Steelmaking; Continuous Casting; Slab Quality; Mold Level; Stopper Rod Oscillation Amplitude
Como citar
Gonçalves, Felipe César Eliziário;
Cardoso, Afonso Vaz De Mello;
Aranda, Vinicius Cunha;
Crivellari, Leandro Silvino;
Carvalho, Daniel Augusto Godinho de;
Demuner, Leonardo Martins.
INCREASED PROCESS STABILITY PROMOTED BY REDUCTION ON MOLD LEVEL FLUCTUATION AT TERNIUM BRAZIL
,
p. 46-57.
In: 51° Seminário de Fusão, Refino e Solidificação de Metais,
São Paulo,
2022.
ISSN: 2594-5300
, DOI 10.5151/2594-5300-34150
