一种用于除湿溶液的新型太阳能耦合再生系统

A new solar coupling regeneration system for liquid desiccant

为了提高太阳能溶液再生系统的运行可靠性,提出了一种用于溶液除湿空调系统的新型太阳能溶液耦合再生系统.分析了该系统的工作原理,建立了该系统的耗能模型,并与传统太阳能溶液热再生系统进行了对比研究.研究结果表明,在2种运行模式下,太阳能耦合再生系统与太阳能热再生系统相比具有较大的节能优势.在太阳能耦合再生系统运行模式下,太阳能集热/再生器出口处溶液浓度对太阳能耦合再生系统耗能的影响最大.在系统设计过程中,应将太阳能集热/再生器出口处溶液浓度设计得尽可能小.此外,太阳能集热/再生器的再生效率对太阳能耦合再生系统的耗能也有较大的影响.

A new solar coupling regeneration system used in the desiccant air-conditioning system is proposed in order to improve the reliability of solar desiccant regeneration system. Analysis of the method of the new system was made and the energy model of the new system was developed. More- over, the performance of the new system was compared with the solar thermal regeneration system. The results show that the solar coupling regeneration system is more energy efficient than the solar thermal regeneration system under both operational conditions. Under operational condition 1, the most influential factor of the solar coupling regeneration system is the concentration of desiccant at the exit of the solar collector/regenerator, and it should be maintained as low as possible. Moreover, the regeneration efficiency of the solar collector/regenerator affects the regeneration performance of the solar couplin~ regeneration system ~reatly.