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介绍了自主设计实施的地源热泵自流式供热水系统。采用单因素试验方法,研究了循环介质流量对地源热泵系统运行特性的影响,找出了最佳流量为11 m3/h;对系统连续运行时的稳定性进行了分析,得出机组和系统能效比分别达到4.2和3.8;通过对自流式供热水系统的供水效果进行测试,将自流式和机械循环式供热水系统进行对比,分析了两种供热水系统的可行性和经济性,最终认为地源热泵自流式系统更适用于多层建筑。
Introduced independently design and implementation of ground source heat pump gravity flow water heating system. The single factor test method was used to study the influence of circulating medium flow on the operation characteristics of ground source heat pump system. The optimal flow rate was 11 m3 / h. The stability of continuous operation of the system was analyzed. The energy efficiency ratio reached 4.2 and 3.8 respectively. By comparing the self-flow and mechanical circulation type hot water supply system by testing the water supply effect of the self-flowing water supply system, the feasibility and economy of the two water supply systems were analyzed , And ultimately consider the ground source heat pump system is more suitable for multi-storeyed building.