绿色低碳城轨通风空调节能措施探讨

Energy-saving Measures of Air Conditioning System Based on Green Low-carbon Urban Rail Environment

城市轨道交通在优化城市功能配置、解决交通拥堵问题、提升居民出行环境等方面发挥着重要作用,但同时,作为“用能大户”城市轨道交通需要耗费大量能源。近年来,随着“碳达峰”“碳中和”目标的提出,发展绿色低碳城轨成为人们的共识。地铁通风空调系统能耗约占地铁车站运营能耗的50%~60%,其节能措施研究对提高能源利用效率及绿色低碳城轨具有重要意义。结合工程设计经验,分析了目前城市轨道交通中通风空调系统运行现状及存在的问题,结合大系统、小系统、多联机系统及空调水系统的具体节能设计方案,从设备和系统配置方面探讨了主要节能措施和节能技术发展方向。

Urban rail transit plays an important role in solving trafic congestion problems,optimizing urban functional configuration,and improving residents'travel environment,etc.However,as a"large energy user",urban rail transit needs a lot of energy.In recent years,with the"Dual-Carbon Goals"(realizing carbon peak before 2030 and carbon neutrality before 2060)in China,the development of green and low-carbon urban rail has become a consensus.The energy consumption of ventilation and air conditioning system accounts for 50%~60%of the operating energy consumption in metro station,and energy saving measures is of great significance for green low-carbon urban rail and its energy efficiency.Based on experience of engineering design,the running status and problems existing in the urban rail air conditioning system are analyzed,combined with specific energy-saving design of large system,small system,multi-online system and air conditioning water system,discussing the main energy-saving measures and the development direction of energy-saving technology from the aspects of equipment and system configuration.