Based on the features of the big geared ring on rotary furnace, this paper expounds the assembly and correction of the two half geared ring and the erection and alignment of the cylinder.

• 文章根据回转窑大齿圈结构特点,阐述了回转窑大修中两个半齿圈组装、校正及与筒体的安装,找正方法。