摘要
减少供暖和供冷的能耗是社会节能的关键任务之一。针对目前跨季节蓄能技术存在的特点和不足,提出了以冰源热泵为核心的跨季节蓄冷集成技术。以北京、沈阳地区的采暖供冷为研究对象,对比三种不同的方案,从能效和经济性两个方面对跨季节蓄冷技术进行分析。结果发现:(1)相比于传统冷水机组供冷和锅炉供热组合的技术,以冰源热泵为核心的跨季节蓄冷集成技术,其全年累计一次能源消耗减少了50%左右,污染物排放减少了55%左右,具备良好的社会效益和环保效益。(2)跨季节蓄冷技术与夜间蓄冷技术相结合,可以大幅降低运行成本,减小投资回收期,具备很好的经济效益。北京地区投资回收期约在6年左右。(3)蓄水槽对投资回收期有重要影响,而且方案三的投资回收期一直比方案二短。
it is the key tasks to reduce the energy consumption on heating and cooling.Considering the characteristics and shortcomings of the current seasonal cool energy storage technology,it is proposed integrated seasonal cool storage technology(ISCST)based on ice source heat pump.Heating and cooling in Beijing and Shenyang are investigated with three different proposals from the prospect of energy efficiency and economic analysis.It is found that:(1)in comparison with the traditional chiller cooling and boiler heating,ISCST with ice heat pump as core can reduce about 50%of primary energy consumption and about 55%of pollutant emissions.A good social benefits and environmental benefits are produced.(2)Combined with cool storage at night,ISCST can significantly reduce operation costs and payback period.Payback period is about 7 years at Beijing.(3)Water storage pit plays a great role in payback period.The payback period in case 3 is the smaller than that in case 2.
作者
陈明彪
宋文吉
王瑛滢
冯自平
Chen Mingbiao;Song Wenji;Wang Yingying;Feng Ziping(Guangzhou Institute of Energy Conversion,Chinese Academy of Sciences,Guangzhou,510640;Key Laboratory of Renewable Energy,Chinese Academy of Sciences,Guangzhou,510640;Guangdong Provincial Key Laboratory ofNew and Renewable Energy Research and Development,Guangzhou,510640;University of Chinese Academy of Sciences,Beijing,100049)
出处
《制冷与空调（四川）》
2021年第2期189-195,共7页
Refrigeration and Air Conditioning
基金
中科院先导专项(XDA21070305)
河南省中国科学院科技成果转移转化项目(202001)。
关键词
跨季节蓄冷
冰源热泵
冰浆
能效
经济性
相变
seasonal cool storage
ice source heat pump
ice slurry
energy efficiency
phase transformation
