In this article, several key points in the reform of the shaft seal used in the rotary disc tower were analyzed. 本文分析了带旋转轴塔轴封改造中应注意的几个关键问题。
The extraction column of the furfural refining unit in SINOPEC Maoming Branch has gone through the external-driving rotating disc till rotating disc-packing complex extraction tower, and the efficiency of the columm has also been improved. 中国石化茂名分公司重质糠醛装置萃取塔经历了外驱动转盘、矩鞍环填料-转盘复合塔技术的发展,萃取塔效率不断提高。