离心式渣浆泵的汽蚀状态分析与计算  

Analysis and Calculation of Cavitation for Centrifugal Slurry Pump

作　　者：李平双[1] 

机构地区：[1]石家庄职业技术学院,河北石家庄050081

出　　处：《排灌机械》2006年第1期19-21,共3页Drainage and Irrigation Machinery

摘　　要：从理论上分析了泵内产生汽蚀的原因,在对离心式渣浆泵与普通离心泵汽蚀特性比较的基础上,分析了渣浆泵汽蚀余量与叶轮入口几何参数关系;依据有关试验数据,找出了渣浆泵汽蚀余量经验计算公式,并给出了计算实例。给泵企业工程技术人员计算渣浆泵汽蚀余量提供参考。In order to make suggestions for engineers and researchers who work in pump industry to calculate NPSH, the causation of cavitation occurred in a slurry pump theoretically is analyzed.The relationship between NPSH and inlet geometry parameters of impeller is analyzed .The cavitation characteristic between the slurry pump and normal pump is compared.The empirical formula that used to calculate NPSH is deduced base on test datas and the example for calculating NPSH is validated.

关 键 词：渣浆泵 汽蚀余量 试验曲线 经验公式 

分 类 号：TH311[机械工程—机械制造及自动化]