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针对传统低品位热驱动制冷空调的制冷效率低、不能连续工作等缺陷,从热力学原理出发,提出一种低品位热驱动压缩-吸收复合制冷系统并搭建用于测试压缩-吸收复合制冷系统性能的实验装置。在定流量(热水流量、冷却水流量和冷媒水流量相同)的实验条件下,进行系统性能的实验研究。实验结果表明,压缩-吸收复合制冷系统不仅可利用低品位热源制取高品位冷量,还具有较高的效率,且可扩宽吸收制冷系统的工作温度范围。
Aiming at the defect that the traditional low-grade heat-driven refrigerating and air-conditioning system has low refrigeration efficiency and can not work continuously, a low-grade heat-driven compression-absorption combined refrigeration system is proposed based on the thermodynamics principle and is used to test the performance of the compression-absorption combined refrigeration system experimental device. Under the experimental conditions of constant flow (hot water flow, cooling water flow and refrigerant water flow), the experimental study of the system performance was carried out. The experimental results show that the compression-absorption combined refrigeration system can not only make use of low-grade heat source to produce high-grade cold, but also have high efficiency, and widen the working temperature range of absorption refrigeration system.