应用于辐射供冷系统的双级热泵复合除湿空调系统及能耗分析  

Energy-saving Refrigeration and Dehumidification Unit on Radiant Cooling and its Energy-Consumption Analysis

作　　者：牛宝联[1] 宋倩倩[1] 夏学鹰[1] 吴薇[1] 

机构地区：[1]南京师范大学动力工程学院,江苏南京210042

出　　处：《南京师范大学学报（工程技术版）》2009年第3期37-41,共5页Journal of Nanjing Normal University(Engineering and Technology Edition)

基　　金：住房和城乡建设部(2008-k1-25)资助项目

摘　　要：为减少辐射供冷系统热湿处理机组的能耗,提出采用两级热泵与除湿单元联用的系统形式.低温热泵子系统提供辐射供冷所需的冷负荷,高温热泵子系统则根据设计的系统形式大小不同,可长期运行,也可与蓄热水箱或者太阳能联用3种方式.并对3种方式下的液体除湿、固体除湿与传统的冷却除湿,液体除湿+冷水机组和固体除湿+冷水机组的形式进行能耗分析对比,结果表明3种方式下的液体除湿和固体除湿系统都较节能,且以3种改进方式与液体除湿联用的系统最为节能,与冷却除湿相比,能源消耗可以减少48%.In order to save energy of heating and dehumidifying unit in radiant cooling system, it is proposed that the combined use of two-stage heat pump and dehumidifying unit. Low-temperature-stage heat pump is used to supply cooling load of radiant cooling system, and high-temperature-stage heat pump is designed in three shapes. One is low load system that is only to dehumidify when the room is need to, the other two are not only dehumidifying but also are combined with heat storage water tank or solar energy. And the energy consumption analysis is done on the new system style of liquid dehumidifying, solid dehunidifying, and cooling defumidifying, in contrast to liquid dehumidifying ＋ water chiller, and Solid defumidifying ＋ water chiller. The results show that liquid and solid dehumidifying are more energy-saving, and the three new system ＋ liquid dehumidifying is the most energy-saving and the energy consumption is reduced by 48% when compared with cooling dehumidifying.

关 键 词：辐射供冷 除湿机组 能耗分析 

分 类 号：TU831[建筑科学—供热、供燃气、通风及空调工程]