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为解决传统太阳能或地源热泵生活热水系统独立运行时存在的问题,该文将两者进行组合匹配得到复合式系统,结合逐月负荷变化来确定系统各设备选型范围,从中选取正交试验设计所需的各因素水平值;同时以长沙地区某高校学生宿舍的复合式热水系统为研究对象,通过动态模拟软件对不同组合下系统性能进行考察,并对试验结果统计分析,得出复合式热水系统中主要的设备及控制参数的最优匹配方案。本文的结论可为实际工程设计提供设备选型及控制设定的参考,有助于提高热水系统的经济效益。
In order to solve the problems existing in the operation of traditional solar or ground source heat pump domestic hot water system independently, this paper combines and matches the two to get the compound system, and determines the selection range of each equipment according to the monthly load change, selects the orthogonal Experimental design of the level of the various factors required; at the same time to a university dormitory in Changsha Changsha hot water system as the object of study, through dynamic simulation software to examine the system performance under different combinations, and the statistical analysis of test results obtained Composite hot water system in the main equipment and control parameters of the optimal matching program. The conclusions of this paper can provide reference for equipment selection and control setting in practical engineering design and help to improve the economic benefits of hot water system.