The wear reason of dolomite brick for AOD furnace is analyzed and the improving measure is put forward by analyzing the chemical composition and microstructure of the residual dolomite brick after used in AOD furnace.

• 通过AOD炉用白云石残砖的化学分析和显微结构研究 ,分析了AOD炉用白云石砖衬炉龄不高的原因 ,并提出了改进措施。