锻压技术

基于冷却循环水输送系数的冲压车间用冷却循环水泵能效分析

英文标题：Energy efficiency analysis on cooling circulating water pump in stamping workshop based on cooling circulating water transfer factor

作者：安锐谢小琛

单位：一汽-大众汽车有限公司

关键词：冷却循环水输送系数(WTF) 冷却循环水泵恒压变频压力设定值能效冲压车间

分类号：TG305

出版年,卷(期):页码：2021,46(2):185-189

摘要：

采用冷却循环水输送系数(WTF)来分析冲压车间配套使用的冷却循环水泵的能效。首先，给出了冷却循环水输送系数的计算方法；然后，根据GB/T 19781—2007中空调用冷却循环水泵的WTF限值，折合出冲压用冷却循环水泵的WTF限值，分析了影响冷却循环水泵WTF的因素。根据一汽-大众5个基地的冲压用冷却循环水泵实测数据，计算得到WTF瞬时值，并与其折合的WTF限值进行比较，从水泵控制、运行维护、末端用冷设备控制几个角度，分析了目前WTF值较低的原因，得到了使用恒压变频控制、根据不同季节调整压力设定值、按规定压差清洗过滤罐、有效控制末端电磁阀等措施有利于提高冷却循环水输送系数WTF的结论。

The energy efficiency of cooling circulating water pump used in stamping workshop was analyzed by cooling circulating water transfer factor(WTF). Firstly, the calculation method of WTF was given, and then the factors affecting WTF of cooling circulating water pump were analyzed based on WTF limit values of cooling circulating water pump for air conditioning in GB/T 19781—2007 to convert that for stamping. Furthermore, according to the measured data of cooling circulation water pump for stamping in five car plants in FAW-VW, the instantaneous value of WTF was calculated and compared with its equivalent WTF limit value, and the reasons for the current low WTF value were analyzed from the perspectives of water pump control, operation and maintenance, and terminal cooling equipment control. The results show that using the measures of constant pressure and frequency conversion control, adjusting the pressure setting value according to different seasons, cleaning the filter tank based on the specified pressure difference and effectively controlling the terminal solenoid valve are beneficial to improve WTF.

基金项目：

安锐（1990-），男，硕士，工程师，E-mail：anrui135@163.com

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