Improper control of ladle heel can lead to qualified liquid steel easily turning into slag steel,resulting in a decrease in the yield of the billet. The depression in the impact zone of the working layer at the bottom of the ladles leads to an increase in heel,which is difficult to control during the turnover process of ladles. In this paper,control measures such as adding slag removing areas near the ladle nozzle,optimizing the structure of the refractory brick mold,and timely repairing the impact zone of the working layer at the bottom of the ladle were taken,resulting in a 41.8% reduction in ladle heel,and significant economic benefits were achieved. This provides a reference for steel plants to solve the issue of the slag quantity of the ladle during the final casting period.
Ladle slagImpact zoneCasting allowanceSimulation analysisSlag removing area