离心泵串联调速运行的数解方法  

Numerical Method for Variable Running Speed of Centrifugal Pumps in Series

作　　者：许景伟[1] 孟振虎[1] 

机构地区：[1]江苏工业学院省油气储运重点实验室

出　　处：《油气储运》2009年第6期21-25,共5页Oil & Gas Storage and Transportation

摘　　要：在给出离心泵各种串联形式运行特性数值方程的基础上,提出了长输管道多泵串联调速运行的数解方程,包括串联运行调速比和工作点确定,并进行了数值计算。给出了算例,并通过算例比较了长输管道采用节流和调速方法进行输量调节的节能效果。Based on numerical equation of running characteristics of multiform centrifugal pumps in series,the numerical solution equation on modulating speed running pumps in multi-series is obtained.The process of numerical solution includes the ascertainment of pump's working points and variable speed ratio,and value calculations are conducted and calculation examples are given.Energy saving effects of flowrate adjustment on long distance oil pipelines utilizing throttle and variable running rotation speed ratio are compared through calculation.

关 键 词：管道 离心泵 串联调速 调速比 数解方法 

分 类 号：TU991.35[建筑科学—市政工程] TD442.2[矿业工程—矿山机电]