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摘要 根据3#制冷站的设计实践并结合近年来的技术发展，分析了区域供冷相关技术的特点，提出在区域供冷系统设计中应重视基于双蒸发器制冷机的蓄冰系统、外融冰开式供冷、分布泵管网水系统等的应用，以进一步提高区域供冷系统的技术经济性。 关键词 区域供冷 双蒸发器制冷机 开式供冷　分布泵系统 Design consideration of refrigeration plant 3 of district cooling for Guangzhou Higher Education Mega Center By Wu Xiaoting, Wang Yan, Wang Peng, Zhao Bin and Zhao Dailiang Abstract Based on the design of the refrigeration plant and the technical development in recent years, analyses the characteristics of district cooling technology, and points out that the application of ice thermal storage system with dual-evaporator refrigerating machine, open cooling with external melt ice and distributed pump water system should be emphasized in district cooling system design for improving its technical and economic performance. Keywords district cooling, dual-evaporator refrigerating machine, open cooling, distributed pump system