The fracture cause of a rolling ring of a rotary kiln was studied through a stress analysis and some improvements were proposed.

通过对回转窑滚圈的应力分析，探讨了其断裂的原因，并提出了相应的改进措施。

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A raw material ageing ring trough concentric with kiln bottom is arranged on site at inner side of annular kiln bottom and blank making machine is arranged in the center of the site.

在环状窑底内侧的场地设置一个与窑底同心的环形原料陈化仓槽，制坯机设置在场地的中心部。

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Brick retaining ring is functioned as a stopper for axial sliding of lining bricks and increasing the rigidity of kiln shell.

挡砖圈具有阻挡砖的轴向滑动和增加筒体刚度的作用。

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