改善低比转速离心泵水力性能的几种方法  

Several Methods for Improving the Hydraulic Properties of Low-Speed Ratio Centrifugal Pumps

作　　者：陈有志[1] 李刚[1] 王景辉[2] 

机构地区：[1]佳木斯防爆电机研究所,黑龙江佳木斯54005 [2]佳木斯电机股份有限公司,黑龙江佳木斯154002

出　　处：《防爆电机》2005年第3期46-48,共3页Explosion-proof Electric Machine

摘　　要：阐述了低比转速离心水力设计和结构研究现状,分析了低比转速离心泵存在效率偏低、扬程曲线易出现驼峰和轴功率过载等问题的产生原因及解决方法,并对几种水力设计方法进行了探讨。The present situations of design and construction of hydraulic of low-speed centrifugal pumps are described,the causes and solutions for lower efficiency,the head curve having humps frequently,and overload of shaft output,etc.,are analyzed,and various design methods are discussed.

关 键 词：低比转速 离心泵 水力性能 水力设计方法 研究现状 扬程曲线 轴功率 

分 类 号：TH311[机械工程—机械制造及自动化] TK730.312[交通运输工程—轮机工程]