ISSN 2594-5300
53º Seminário de Aciaria, Fundição e Metalurgia de Não-Ferrosos — vol. 53, num.53 (2024)
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THE SEARCH TO INCREASE THE REFRACTORY LINING LIFE, REDUCE COST IN THE PRODUCTION PROCESS, AND ENVIRONMENTAL BENEFITS MAKE THE SLAG SPLASHING AN EFFECTIVE TECHNIQUE IN THE PREVENTIVE REPAIR OF THE LINING. THE COMPLEXITY OF THE INDUSTRIAL OPERATION MAKES PHYSICAL MODELING AN ALTERNATIVE FOR PROCESS EVALUATION. IN THE PRESENT STUDY THE PARAMETERS LANCE HEIGHT, GAS FLOW RATE, AMOUNT AND VISCOSITY OF SLAGS WERE EVALUATED, VIA 1:10 SCALE MODEL OF BOF. THE SPLASH INDEX WAS QUANTIFIED IN TOTALITY AND BY BOF ZONES. THE RESULTS SHOWED THAT THE SPLASH INDEX DEPENDS ON THE INTERACTION MODES OF THE IMPINGEMENT JET WITH THE LIQUID. IT WAS NOTED A DIRECT RELATION BETWEEN INERTIAL AND GRAVITATIONAL FORCES WITH THE SPLASH INDEX. EVEN THOUGH, THE INTERFACIAL AND VISCOUS FORCES CAN NOT BE NEGLECTED. THE BEST CONFIGURATION FOR SPLASH INDEX RESULTS WERE FLOW RATE 70 NM³/H, LANCE DISTANCE TO THE BOTTOM 400 MM AND AMOUNT OF SLAG 12%.
THE SEARCH TO INCREASE THE REFRACTORY LINING LIFE, REDUCE COST IN THE PRODUCTION PROCESS, AND ENVIRONMENTAL BENEFITS MAKE THE SLAG SPLASHING AN EFFECTIVE TECHNIQUE IN THE PREVENTIVE REPAIR OF THE LINING. THE COMPLEXITY OF THE INDUSTRIAL OPERATION MAKES PHYSICAL MODELING AN ALTERNATIVE FOR PROCESS EVALUATION. IN THE PRESENT STUDY THE PARAMETERS LANCE HEIGHT, GAS FLOW RATE, AMOUNT AND VISCOSITY OF SLAGS WERE EVALUATED, VIA 1:10 SCALE MODEL OF BOF. THE SPLASH INDEX WAS QUANTIFIED IN TOTALITY AND BY BOF ZONES. THE RESULTS SHOWED THAT THE SPLASH INDEX DEPENDS ON THE INTERACTION MODES OF THE IMPINGEMENT JET WITH THE LIQUID. IT WAS NOTED A DIRECT RELATION BETWEEN INERTIAL AND GRAVITATIONAL FORCES WITH THE SPLASH INDEX. EVEN THOUGH, THE INTERFACIAL AND VISCOUS FORCES CAN NOT BE NEGLECTED. THE BEST CONFIGURATION FOR SPLASH INDEX RESULTS WERE FLOW RATE 70 NM³/H, LANCE DISTANCE TO THE BOTTOM 400 MM AND AMOUNT OF SLAG 12%.
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Slag splashing, Basic oxygen furnace, Physical modeling
Slag splashing, Basic oxygen furnace, Physical Modeling.
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MATOS, WERNER AREDES;
BORGES, RONALDO ADRIANO ALVARENGA;
JUNIOR, JOAO DOMINGOS GUIMARAES DE ATHAYDE;
MAIA, BRENO TOTTI.
EVALUATION OF SLAG SPLASHING PROCESS IN BOF VIA PHYSICAL MODELING
,
p. 961-971.
In: 53º Seminário de Aciaria, Fundição e Metalurgia de Não-Ferrosos,
São Paulo, Brasil,
2024.
ISSN: 2594-5300
, DOI 10.5151/2594-5300-41594
