多级中速离心式高压氨泵的设计缺陷与改进

DESIGN DEFECTS AND MODIFICATIONS OF MULTISTAGE MEDIUM SPEED CENTRIFUGAL HP AMMONIA PUMPS

介绍内蒙古化肥厂 Ｓｎａｍ 尿素装置采用的多级中速离心式高压氨泵。分析运行中出现的主要故障原因，并对运行中暴露出的设计缺陷做了探讨，提出改进措施。

Presents the multi stage medium speed centrifugal HP ammonia pumps in the Snam urea unit of Inner Mongolia Chemical Fertilizer Plant. Main reasons for failures during operation were analyzed,the exposed design defects were investigated,and the modifying measures were put forward