【摘要】 为延长浸入式水口(SEN)的使用寿命,提高连铸机作业率,济钢第三炼钢厂优化实施了自动变渣线操作,使SEN的平均使用寿命由原3.5h提高到5.0h,并改善了手动变渣线引起的液面波动、水口偏流及对钢包自动浇注影响的不足,减少了生产事故的发生,提高了铸坯质量。更多还原

【Abstract】 In order to prolong the service life of the submerged nozzle and to advance the operating rate of conticaster,No.3 Steel-making Plant of Jigang carries out the operation of slag line auto-alter?Average service life of the submerged nozzle is prolonged to 5.0h from 3.5h,improving the fluctuate of liquid surface,the submerged nozzle bias current and shortness of ladle automatic ladling influence caused by slag line hand-operated alter,reducing the occurrence of accident and enhancing the quality of slabs.更多还原