太阳能溴化锂吸收式制冷技术的研究进展

Progress of solar-driven LiBr absorption refrigeration technology

介绍了太阳能溴化锂吸收式制冷循环的工作原理和系统构成,具体阐述了该制冷循环的几种典型结构,包括单效、双效、两级以及三效溴化锂吸收式制冷循环,分析了各种制冷循环的优缺点以及目前研究进展;进一步讨论了太阳能溴化锂吸收式制冷机组的性能特点受冷媒水出口温度、冷却水进口温度、加热蒸汽温度、污垢系数及不凝性气体等诸多因素的影响;提出了太阳能溴化锂吸收式制冷技术现存问题,最后指出,随着科学技术的发展和绿色建筑的兴起,太阳能溴化锂吸收式制冷将会有非常大的发展前景。

The operation principle and composition of the solar LiBr absorption refrigeration cycle are introduced in this paper. Typical cycles are described, including single effect, double effect, two-stage and triple effect LiBr absorption refrigeration cycles. Stong and weak points, and research progress of different cycles are analyzed. In addition, effects of outlet temperature of chilled water, inlet temperature of cooling water, heating steam temperature, fouling coefficient, non-condensable gas, etc. on the chilling cycle performance characteristics are discussed. Existing problems of the solar LiBr absorption refrigeration technology are indicated. With the increasing development of technology and green buildings, the development prospects of solar LiBr absorption refrigeration will be excellent.