日本钢管公司（ＮＫＫ）京浜厂自１９８６年底用铁水包进行脱磷的铁水预处理工艺。以后，导致铁水包寿命降低和所用耐火材料成本上升。为此，该厂采用改善耐材材质与变更其形状的对策。（１）衬砖形状的改进通过有限要素法分析了各种衬砖使用后的形状与结构。结果发现，在... Japan Steel Tube Company (NKK) Keihin plant since the end of 1986 with ladle for dephosphorization of hot metal pretreatment process. Later, resulting in lower hot metal ladle life and the cost of refractory materials used. To this end, the plant used to improve the refractory material and change the shape of the countermeasures. (1) Improvement of lining brick shape The shape and structure of various lining brick after use were analyzed by finite element method. The results found that in ...