水蓄冷系统在公共建筑节能改造中的应用
Application of water cool storage systems in energy saving transformation of public buildings
摘要：
介绍了实行峰谷电价计费地区水蓄冷技术在大型冷水机组空调系统中的应用。利用电力系统的峰谷电价差，夜间利用低谷电将制冷机产生的冷量以低温水的形式储存，在电价高峰时释放，降低空调系统运行费用。以某具体项目为例，利用该项目原有的消防备用水池进行节能改造，采用开式水蓄冷系统配套螺杆式电制冷机进行夏季制冷，测算了水蓄冷系统总体能耗水平，并与常规空调系统能耗进行了分析比较，计算了改造的成本、节能量及投资回收期。
Abstract：
Presents the application of the water cool storage technology in the air conditioning system using large water chillers in the area of peak-valley electricity price. Making use of the peak-valley price difference of the power system, the low-valley electricity is used to store the cooling capacity produced by the refrigerator in the form of low-temperature water at night, which is released at the peak of electricity price to reduce the operating cost of the air conditioning system. Taking a specific project as an example, uses the original fire spare pool of the project to carry out energy saving transformation, adopts the screw electric refrigerator equipped with open water storage system for summer refrigeration, and calculates the overall energy consumption level of water cool storage system. Analyses and compares the energy consumption of the water storage system with that of the conventional air conditioning system, and calculates transformation cost, energy saving and investment payback period.
Keywords:water cool storage, public building, refrigeration, energy saving, investment payback period