太阳能热水系统集热效率测试与经济效益研究  

Heat-collecting efficiency test and economic benefits study of solar water heating system

作　　者：田国华[1,2] 刘朋 张丽娟[1] TIAN Guohua;LIU Peng;ZHANG Lijuan(Jiangsu Building Energy Efficiency Engineering Research Center,Jiangsu Vocational Institute of Architectural Technology,Xuzhou,Jiangsu 221116,China;Jiangsu Collaborative Innovation Center of building energy-saving and construction technology,Xuzhou,Jiangsu 221116,China)

机构地区：[1]江苏建筑职业技术学院江苏省建筑节能工程技术研究中心,江苏徐州221116 [2]江苏建筑节能与建造技术协同创新中心,江苏徐州221116

出　　处：《江苏建筑职业技术学院学报》2020年第3期29-32,共4页Journal Of Jiangsu Vocational Institute of Architectural Technology

基　　金：江苏省建设系统科技项目(2017ZD223);徐州市科技创新专项资金项目(KC15SM028)。

摘　　要：为准确地评价江苏徐州地区的太阳能资源及太阳能热水系统的应用效益,建立了太阳能建筑应用测评试验系统,通过测试环境温度、太阳辐照量、集热器进水出水温度、水箱进水温度、水箱热水及出水温度、出水流量等参数,分析了太阳能热水系统的集热效率和工程应用效益.测试结果表明,徐州地区具有良好的太阳能资源,太阳能热水试验系统的集热效率达到50%以上;太阳能热水作为生活热水和采暖系统热源具有良好的经济效益,在徐州市某示范工程应用中的计算投资回收期为3.2 a.In order to accurately evaluate the solar energy resources and the application benefits of the solar water heating system in Xuzhou area,the solar energy building application evaluation test system was constructed in this paper,and the heat-collecting efficiency and engineering application benefits of the solar water heating system were analyzed by testing the parameters such as environmental temperature,solar radiation amount,the inlet and outlet water temperature of the solar collector,inlet water temperature of water tank,hot water and outlet temperature of water tank,and water discharge rate and so on.The heat-collecting efficiency and engineering application benefits of solar water heating system were analyzed.Test results show that there are good solar energy resources in Xuzhou area,and the testing heat-collecting efficiency of the solar water heating system reached more than 50%.As the heat source of domestic hot water and heating system,solar hot water has good economic benefits,and the calculated payback period of investment in a demonstration project in Xuzhou is 3.2 years.

关 键 词：太阳能热水系统 太阳辐照量 太阳能集热效率 节能投资回收期 

分 类 号：TU822[建筑科学]