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本文从还原产物的显微图象分析铁矿石的还原模型。讨论还原性的表示方法和影响矿石还原性的矿物组成和结构等动力学因素。由显微结构分析发现只有在一定的结构条件下的赤铁矿还原才会引起铁矿石的还原粉化;而铁酸钙在还原过程中不发生解体。
In this paper, the reduction model of iron ore is analyzed from the microscopic image of the reduced product. Discusses reductive representation and kinetic factors such as mineral composition and structure that affect ore reducibility. It is found from the microstructure analysis that hematite reduction only leads to the reductive pulverization of iron ore under certain structural conditions; while calcium ferrite does not disintegrate during the reduction.