供暖变流量水系统的调速水泵能耗分析  

Energy Consumption Analysis of Speed-control Pump in Varied Flow Water Heating System

作　　者：周国兵[1] 张于峰[1] 王艳[1] 王永红[1] 王莉莉[1] 

机构地区：[1]天津大学,天津300072

出　　处：《流体机械》2003年第9期22-25,共4页Fluid Machinery

摘　　要：结合工程算例 ,讨论了变流量水系统中压差控制点的位置、各支路流量变化率的大小及其不同分布对调速水泵工作点及节能效果的影响。指出末端立管压差控制是在节能方面较为合理的运行方式 。The effect on operating point and energy efficiency of speed-shifting pump is discussed by the location of differential pressure control point,variety of water flow in offsets and its distribution with an example.It is indicated that it is more reasonable when differential pressure control point located at the terminal standing point. The applicable range and the lowest rotate speed of the pump are also mentioned.

关 键 词：变流量 变频调速 节能 压差控制 

分 类 号：TH311[机械工程—机械制造及自动化] TU833[建筑科学—供热、供燃气、通风及空调工程]