The results of monolithic ramming in laddle bottom and ramming with curved magnesia brick under ladle wall show that the ladle life is prolonged remarkebly to 100 tapping times in an average.

• 包底采用整体捣制,包壁下部以弧形镁砖作模进行捣打。结果包衬寿命显著延长,平均达到100炉次。