CHARACTERISTICS OF SEASONAL COOL STORAGE TECHNOLOGY AND DESIGN OPTIMIZATION OF SYSTEM

Chen Mingbiao; Song Wenji; Wang Yingying; Fu Dekun; Feng Ziping

doi:10.19912/j.0254-0096.tynxb.2020-1043

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (6) : 1-7. DOI: 10.19912/j.0254-0096.tynxb.2020-1043

CHARACTERISTICS OF SEASONAL COOL STORAGE TECHNOLOGY AND DESIGN OPTIMIZATION OF SYSTEM

Chen Mingbiao^1-4, Song Wenji^1-3, Wang Yingying^1-4, Fu Dekun^1-3, Feng Ziping^1-4

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Abstract

Considering that the current heating and cooling technology is usually high energy consuming and low usability, seasonal cool storage technology based on ice source heat pump is proposed. By comparison of 5 cases, system model is built. Energy consumption and economic benefits are quantitatively evaluated in different districts. It is found：1）Primary energy consumption and pollutant emissions of Case 3, 4 and 5 are at least 50% lower than Case 1 or 2; 2）Seasonal cool storage technology can increase the yearly COP. The storage effeciency and No. of storage cycles in seasonal cool storage can reach 96% and 2.1; 3）Shanghai is appropriate for ice heat pump. Beijing is appropriate for seasonal cool storage. Shenyang is appropriate for central heating system; 4）For the large building more than 30000 m² in Beijing, the incremental payback period of Case 3 is only about 3 years.

Key words

cool storage / heat pump / energy efficiency / seasonal / economy / supercooling

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Chen Mingbiao, Song Wenji, Wang Yingying, Fu Dekun, Feng Ziping. CHARACTERISTICS OF SEASONAL COOL STORAGE TECHNOLOGY AND DESIGN OPTIMIZATION OF SYSTEM[J]. Acta Energiae Solaris Sinica. 2022, 43(6): 1-7 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1043

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