The work principle and structure feature of 2WBF type twin-screw pump,and its application in Ketone-Benzol unit of PetroChina Jinxi Petrochemical Company are introduced.

• 介绍了2WBF型双螺杆泵的工作原理和结构特点,以及在锦西石化分公司酮苯装置的使用情况,同时针对应用中出现的问题提出了改进措施。