高炉原料铁矿石

[中文适用范围]： 本文件规定了一种用于评估铁矿石因快速加热而导致的尺寸退化的相对测量方法。它规定了爆裂指数的测定。本文件适用于高炉原料块矿。 [外文原描述]： This document specifies a method to provide a relative measure for evaluating the degree of size degradation caused by rapid heating of iron ores. It specifies the determination of the decrepitation index. This document is applicable to lump ores for blast furnace feedstocks.