鉴于矿石和焦炭的粒度差较大,高炉生产一直采用矿焦各自组成料批装入高炉的方法,以求矿焦在炉内成层分布,保证高炉有良好的透气性。近几年国外开始重视矿焦混装入炉,并由最初的矿石和大块焦混装,发展到烧结矿和筛下小块焦的混装。前者主要 In view of the larger size difference between ore and coke, blast furnace production has been using the method of assembling each batch of ore coke into the blast furnace so that the coke can be layered in the furnace and the blast furnace has good air permeability. In recent years, foreign countries began to attach importance to the mixed coke into the furnace, and from the initial mix of ore and bulk coke, the development of sinter and sieve small coke mixed. The former is mainly