摘要
以保定市某建筑为例对其中央空调系统的能耗进行分析。结合其室内功能和热湿环境,提出采用低温送风及变风量空调技术对现有空调系统进行改造的方案,并分析低温送风空调系统和变风量技术的特点,通过比较常温定风量空调系统、低温定风量空调系统、常温变风量空调系统和低温变风量空调系统的系统总能耗及其主要的设备能耗,得出低温变风量空调系统的能耗最低,有明显的节能效果。采用低温送风技术,空调系统能节能23%。采用低温送风和变风量技术,相对常温定风量系统,节能率可达到43%左右。
With the help of an existing building, the energy consumption of HVAC system was analyzed, and the energy consumption proportion of the fans and chillers were calculated in this paper. Considering the building function and thermal environ- ment, the cold air distribution combined with the variable air volume （VAV） system was introduced to reduce the energy consumption of HVAC system, and the corresponding characteristics were analyzed. By comparing with the system energy consumption of the conventional constant air volume （CAV） system, cold air distribution CAV system, conventional VAV system, and the cold air distribution VAV system, the results were concluded that energy consumptiond of the cold air distribution VAV system is the lowest one, it has obvious energy saving effect, the energy consumption ratio is up to 43%.
出处
《低温与超导》
CAS
北大核心
2014年第9期64-68,共5页
Cryogenics and Superconductivity
关键词
低温送风
常温送风
变风量
能耗
节能
Cold air distribution, Conventional air conditioning system, Variable air volume （VAV）, Energy consumption,Energy savings
