湖水源热泵空调系统取水方式性能分析  

Performance Analysis of Water-intaking Mode for Lake-source Heat Pump Air-conditioning System

作　　者：陈金华[1] 刘猛[1] 吴淑霞[1] 刘勇[1] 樊燕[1] 赖道新[1] 

机构地区：[1]重庆大学三峡库区生态环境教育部重点实验室,重庆400045

出　　处：《湖南大学学报（自然科学版）》2009年第S2期79-83,共5页Journal of Hunan University:Natural Sciences

基　　金：国家自然科学重点基金资助项目(50838009);科技支撑项目:科技部国家科技支撑计划重点项目(2006BAJ0209)

摘　　要：通过对某湖水源热泵空调系统现有取水方式对湖体水温分布影响的实测数据分析发现,点取水方式对取水温度及空调系统的节能运行产生不利影响.针对不利影响,提出了线取水的湖水源热泵空调系统深层取水方式.通过对取水区域的模拟分析发现,点取水方式影响范围约为3~6 m,而线取水方式对湖水的影响可忽略.对点取水和线取水方式对湖体水温分布影响进行实测对比分析,结果表明在重庆夏季条件下,线取水方式的取水温度为25℃左右,而点取水方式为30℃左右.根据理论计算,线取水方式可比点取水方式节能10~15%.To analyze the impact of water intake mode on the performance of Lake-Source Heat Pump air-conditioning system(LSHPs),a field test of lake water temperature distribution was carried out at a certain LSHPs with point-mode in Chongqing.It is found that the existing water intake mode has unfavorable impacts on the lake water temperature and the system efficiency.By studying on different water intake modes of LSGHs,aline-water intake mode was proposed.The simulation of the two intake modes shows that the influential area of the point-mode is about 3~6 meter,while it is slight for the line-mode.Comparing the results from the field test of the two modes,it is shown that,under Chongqing's summer condition,the intake temperature is around 25 ℃ with the line-mode while it is about 30 ℃ for the point-mode,with which 10%~15% energy saving can be obtained.

关 键 词：湖水源 热泵 数值模拟 节能 深层取水 

分 类 号：TU831[建筑科学—供热、供燃气、通风及空调工程]