广,从而使高炉冶炼指标获得了显著改善。这期间人们对烧结矿的冷强度、整粒很重视,并收到了良好的效果。从生产实践中发现的还原粉化问题,比较早的资料,在60年代初期就已经提出来了。儿玉惟孝提供了日本八幡户畑厂在1963年的资料,见表1。 Wide, so that the blast furnace smelting indicators have been significantly improved. During this period people on the cold strength of the sinter, the whole grain attaches great importance, and received good results. The earlier data on the problem of reduction pulverization found in production practices were already presented in the early 1960s. Kodama Yoshitsune provided the information of the Japanese Yahata household plant in 1963 (see Table 1).