聚丙烯粉末加热干燥器内筒体的失稳分析及修复

Unstable Analysis of the Internal Cylinders of Heating Dryers for Polypropylene Powder and Its Maintenance

针对聚丙烯粉末加热干燥器在投产运行前发现内筒体失稳 ,而产生多处鼓包的现象 ,通过失稳分析找到了内筒体鼓包的原因 ,制定出最佳方案 ,采取了得力的措施 。

The bloating cause of the internal cylinders was found out through the unstable analysis for the bloating induced with the unstability of the internal cylinder of the heating dryers for polypropylene powder before operation, an optimum maintenance planning was made and a best method was used for the maintenance of the internal cylinders.