低品位热能驱动除湿强化蒸发冷却技术研究进展

陈柳 ,  郭镇源 ,  刘悦 ,  徐玉洁 ,  王亮添

科学技术与工程 ›› 2025, Vol. 25 ›› Issue (36) :15355-15368

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科学技术与工程 ›› 2025, Vol. 25 ›› Issue (36) :15355-15368 DOI: 10.12404/j.issn.1671-1815.2502099
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低品位热能驱动除湿强化蒸发冷却技术研究进展

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Review of Desiccant Enhanced Evaporative Cooling Technology Driven by Low Grade Thermal Energy

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摘要

除湿强化蒸发冷却技术通过对处理空气进行预干燥的除湿辅助强化,能有效提高系统的冷却效率,并且可以利用太阳能、工业余热废热、地热能及生物质能等低品位热源驱动除湿设备再生,拥有巨大节能潜力。通过对不同形式的除湿强化蒸发冷却系统的研究进展进行综述,总结了典型除湿强化蒸发冷却系统的热力学原理及空气处理过程,对其系统组成、驱动热源、制备冷媒及系统性能进行了对比。系统分析了低品位热能驱动的固定床除湿强化蒸发冷却系统、转轮除湿强化蒸发冷却系统、溶液除湿强化的蒸发冷却系统及膜除湿强化的蒸发冷却系统的应用现状以及研究进展。最后对除湿设备的结构优化、吸附热的回收利用、低品位热能的选择利用、除湿强化蒸发冷却系统的运行控制等方面进行了展望。对于除湿强化蒸发冷却系统的进一步发展,应当注重多种除湿方式相耦合以实现优势互补、采用不同形式的低品位热源互补为除湿系统提供稳定再生热源以及强化蒸发冷却系统在不同气候下的运行控制以提高对于具体应用场合的适用性。

Abstract

Dehumidification enhanced evaporative cooling technology can effectively improve the cooling efficiency of the system by pre-drying the dehumidification auxiliary strengthening of the treated air, and can use low-grade heat sources such as solar energy, industrial waste heat, geothermal energy and biomass energy to drive the regeneration of dehumidification equipment, which has great energy saving potential. Different types of dehumidification enhanced evaporative cooling system was reviewed, the thermodynamic principle and air treatment process of typical dehumidification enhanced evaporative cooling system were summarized, and the system composition, driving heat source, preparation refrigerant and system performance were compared. The application status and research progress of fixed bed dehumidification enhanced evaporative cooling system, rotary dehumidification enhanced evaporative cooling system, liquid desiccant dehumidification enhanced evaporative cooling system and membrane dehumidification enhanced evaporative cooling system driven by low grade heat energy were systematically analyzed. Finally, prospects were put forward regarding the structural optimization of dehumidification equipment, the recovery and utilization of adsorption heat, the selection and utilization of low-grade thermal energy, and the operation control of dehumidification enhanced evaporative cooling systems. For the further development of dehumidification-enhanced evaporative cooling systems, emphasis should be placed on the following aspects: coupling multiple dehumidification methods to achieve complementary advantages, adopting complementary low-grade heat sources of different forms to provide stable regeneration heat sources for the dehumidification system, and enhancing the operation control of the evaporative cooling system under different climates to improve its adaptability to specific application scenarios.

关键词

空调系统 / 蒸发冷却 / 除湿 / 低品位热能 / 热力学过程

Key words

air-conditioning system / evaporative cooling / dehumidification / low grade heat energy / thermodynamic process

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陈柳, 郭镇源, 刘悦, 徐玉洁, 王亮添. 低品位热能驱动除湿强化蒸发冷却技术研究进展[J]. 科学技术与工程, 2025, 25(36): 15355-15368 DOI:10.12404/j.issn.1671-1815.2502099
CHEN Liu, GUO Zhen-yuan, LIU Yue, XU Yu-jie, WANG Liang-tian. Review of Desiccant Enhanced Evaporative Cooling Technology Driven by Low Grade Thermal Energy[J]. Science Technology and Engineering, 2025, 25(36): 15355-15368 DOI:10.12404/j.issn.1671-1815.2502099

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基金资助

陕西省重点研发计划(2024PT-ZCK-70)

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