乙二醇水溶液用于闭式冷却系统防冻的传热性能研究

复合材料科学与工程 ›› 2013, Vol. 0 ›› Issue (2): 90-93.

乙二醇水溶液用于闭式冷却系统防冻的传热性能研究

章立新¹, 沈艳², 刘婧楠¹, 邹艳芳^1,2

1.上海理工大学能源与动力工程学院,上海200093;
2.上海同驰换热设备科技有限公司,上海200433

收稿日期:2013-02-15 发布日期:2022-03-17
作者简介:章立新(1964-),男,副教授,主要从事闭式冷却塔研究、热力系统优化、热物理光测技术研究。本文作者还有刘跃,陈永保和李瑞雄。
基金资助:
科技部中小企业创新基金重点项目(10C26213304189) 和上海市大学生创新基金(SH1110252005)

THE RESEARCH OF THE HEAT TRANSFER PERFORMANCE WHEN ETHYLENE GLYCOL SOLUTION USED IN THE CLOSED COOLING SYSTEM ANTIFREEZE

ZHANG Lin-xin¹, SHEN Yan², LIU Jing-nan¹, ZOU Yan-fang^1,2

1. School of Energy and Power Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China;
2. Shanghai Tongchi Heat Exchanger Sci-tech Co.,Ltd.,Shanghai 200433,China

Received:2013-02-15 Published:2022-03-17

摘要/Abstract

摘要： 闭式水冷却系统在冬季常换用乙二醇水溶液作为防冻的循环工质,由于物性变化,其携热能力和对流换热系数比水都有所下降。本文基于闭塔设计理论,研究了不同浓度的乙二醇水溶液作为闭式冷却塔循环工质在不同季节中对换热的综合影响,提出了采用大管径薄壁管和加大循环工质流量及增加相应通风量等应对方法,并揭示了其在不同运行模式下的变化规律。

关键词: 闭式冷却塔, 乙二醇水溶液, 传热系数

Abstract: In the winter,ethylene glycol solution usually used in the closed cooling system instead of water as the antifreeze. Due to the changes in physical properties,its heat carrying capacity and convective heat transfer coefficient has declined. Based on the theory of closed-tower design,we studied the influence of the heat transfer different concentrations and different seasons to the Ethylene Glycol solution used in the closed cooling tower circulation; supposed that use a large diameter-thin walled tube,increase the flow rate of Ethylene Glycol solution cycle working fluid or increase the amount of ventilation rate,and reveals the variation in the different operating modes.

Key words: closed cooling tower, ethylene glycol solution, heat transfer coefficient

中图分类号:

章立新, 沈艳, 刘婧楠, 邹艳芳. 乙二醇水溶液用于闭式冷却系统防冻的传热性能研究[J]. 复合材料科学与工程, 2013, 0(2): 90-93.

ZHANG Lin-xin, SHEN Yan, LIU Jing-nan, ZOU Yan-fang. THE RESEARCH OF THE HEAT TRANSFER PERFORMANCE WHEN ETHYLENE GLYCOL SOLUTION USED IN THE CLOSED COOLING SYSTEM ANTIFREEZE[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(2): 90-93.