在初步分析团块状球化剂的结构特．点及其与铁水进行反应的方式的基础上，对四块状球化剂的球化处理工艺进行了试验研究．结果表明，球化剂四块在包中的放置情况，表面覆盖的材料、方式和程度，以及球化处理过程中铁水液面的高度，均明显影响镁的回收率和球化效果．在试验研究的基础上，提出了较为稳定、可靠的球化处理工艺． Preliminary analysis of the structural characteristics of clumps nodularizer. Point and its reaction with the hot metal on the basis of four nodulizer nodulizing treatment process were studied. The results show that the placement of four nodulizer in the bag, the material, mode and degree of surface coverage, as well as the height of hot metal surface during the spheroidization treatment all significantly affect the recovery and spheroidization of magnesium. Based on the experimental research, a more stable and reliable spheroidization process is proposed.