转炉初渣、终渣对质量不同的两种镁碳砖和镁白云石碳砖的侵蚀试验表明:初渣比终渣的侵蚀能力要强。粒度较大且在相同的工艺下制做的镁碳砖、镁白云石碳砖的抗渣性相近。并由此探讨了初渣对镁碳砖、镁白云石碳砖的侵蚀性能。粒度配比对砖质量的影响以及初渣、终渣对镁碳砖、镁白云石碳砖的侵蚀机理。 The initial slag and final slag of the converter showed that the erosion of the two kinds of magnesia-carbon brick and magnesium-dolomite brick with different quality was better than that of the primary slag. Granularity and made under the same process magnesia brick, magnesium dolomite brick similar slag resistance. In the same time, the erosion of initial slag on magnesia-carbon brick and magnesium-dolomite brick was discussed. The effect of particle size distribution on the brick quality and the erosion mechanism of the primary slag and the final slag on the magnesia-carbon brick and the magnesia-dolomite brick.