The basic principle,major wear reason of the lining of AOD furnace and the gist for choosing refractories for AOD furnace are introduced.

• 介绍了AOD炉的基本原理,炉衬损毁的主要原因及选材要点,同时对AOD炉常用的镁铬系和镁钙系材料的性能进行了比较,并且提出了提高AOD炉炉衬寿命的措施。