热泵驱动的双级溶液调湿新风机组原理及性能测试
System principle and performance tests of a heat pump driven two-stage liquid desiccant outdoor air handler
摘要：
介绍了一种新型热泵驱动的双级溶液调湿新风机组的工作原理和全年运行方式，重点介绍和分析了该机组主要部件的实测性能数据。测试结果表明，双级溶液全热回收单元的全热回收效率和潜热回收效率分别为55%左右，而新风机组在满负荷工况下整机COP为5.0，部分负荷下可超过5.9，其中的热泵制冷系统在满负荷工况下COP为4.01，部分负荷下可超过5.72，溶液热回收板式换热器的显热回收效率在80%以上。测试分析了机组进行新风处理的整体性能，指出了在再生单元补水的重要性。
Abstract：
Presents the principle and the operation mode of the novel two-stage liquid desiccant outdoor air handler, and primarily describes the testing data of performance of its main parts. The testing data show that the latent heat recovery efficiency and the total heat recovery efficiency of the unit is about 55%, the full load COP of the outdoor air handler is 5.0, and even over 5.9 under part load conditions. Besides, the full load COP of the integrated heat pump is 4.01, and the part load COP can be as high as 5.72. The sensible heat recovery efficiency of the solution heat exchanger is over 80 percent. Tests and analyses the overall performance of the outdoor air handler, and points out the importance of the water makeup in the regeneration units.
Keywords:liquid desiccant, independent control of temperature and humidity, total heat recovery, heat pump, test data