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常规冰蓄冷系统的主要目的是转移负荷,通过峰谷电价差来节省运行费用。介绍了在正常供冷中断时作应急冷源用的冰蓄冷装置。阐述了应急冷源对蓄冰装置的特殊要求,并对外融冰盘管如何实现快速融冰功能、扩展蓄冰量的方法进行了说明。介绍了该类系统的运行方式,并讨论了设计时需要考虑的一些特殊问题及其解决方法。通过一个数据中心的项目案例,详细说明了此类应用的设计过程和系统运行模式。
The main purpose of a conventional ice storage system is to shift the load and save operating costs through the peak-trough spread. The ice storage device used for emergency cold source during normal cooling interruption is introduced. The special requirements of ice storage device for emergency cold source are expounded, and how to realize the rapid ice melting function and expand the ice storage capacity of the external ice tray is explained. This paper introduces the operation of this kind of system and discusses some special problems to be considered in the design and their solutions. Through a data center project case, detailing the design process and system operating mode for such applications.