Techno-economic analysis of air source heat pump applied for space heating in northern China
Techno-economic analysis of air source heat pump applied for space heating in northern China
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DOI：
10.1016/j.apenergy.2017.06.083
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发表时间：
2017-12
期刊：
影响因子：
11.2
通讯作者：
Qun-li Zhang;Lin Zhang;Jinzhe Nie;Yinlong Li
中科院分区：
文献类型：
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作者：
Qun-li Zhang;Lin Zhang;Jinzhe Nie;Yinlong Li
为满足中国北部寒冷地区清洁供暖的需要，提出并应用了高效环保的低温空气源热泵供暖系统。本文对低温空气源热泵供暖方式的技术可行性和经济适用性进行了研究，并与常规供暖方式进行了比较。建立了不同供热方式技术经济分析的数学模型。利用该数学模型，对不同供热系统的一次能耗、污染物排放量、初投资和年运行费用进行了比较。结果表明，在室外空气温度为−15℃时，低温空气源热泵供暖系统能够稳定可靠地满足居住建筑的空间供暖需求。从节能效果来看，低温空气源热泵供暖方式的一次能耗低于燃煤锅炉、燃气锅炉、直接电采暖方式，但高于热电联产方式。从污染物排放量来看，低温空气源热泵供暖方式将污染源从居民区转移到电厂，且二氧化碳污染排放量相对较低。比较结果还表明，低温空气源热泵供暖系统是最经济的供暖方式。
To meet the demand of clean heating in cold regions of northern China, high efficiency and environment-friendly low temperature air source heat pump heating system has been proposed and applied. In this paper, the technical feasibility and economical applicability of low temperature air source heat pump heating mode were studied and compared with conventional heating systems. A mathematical model of technical and economic analysis of different heating modes was established. With the mathematical model, different heating systems were compared with their primary energy consumption, pollution emissions, initial investment and annual running cost. The results showed that the low temperature air source heat pump heating system can stably and reliably meet the demand of space heating in residential buildings when outdoor air temperature is −15 °C. In terms of energy efficiency, the primary energy consumption of low temperature air source heat pump heating mode is lower than coal-fired boiler, gas boiler, direct electric heating mode, but higher than combined heat and power generation. Comparing the pollution emissions, low temperature air source heat pump heating mode move the pollution source from residential areas to power plant, and has the relative low dioxide pollution emissions. Comparison results also show that the low temperature air source heat pump heating system is the most economical way among the candidates.