Progresses and applications of solar air conditioning and heat pump technologies

doi:10.3969/j.issn.1674-1951.2021.11.005

Abstract

Abstract:

The increasing energy consumption by buildings runs counter to the goal of carbon neutrality and carbon peaking.Consequently,it is imperative to reduce building energy consumption through new energy-saving technologies.Solar air conditioning and heat pump technologies integrating solar power and energy supply for buildings provide a potential development path to large-scale application of solar energy.They can be subdivided into heating and cooling technologies driven by solar energy or photovoltaic power.The main technical routs of solar air conditioning and heat pump technologies are enumerated,including thermally driven absorption cooling /heating pumps,adsorption cooling,desiccant air conditioning,air conditioners driven by electricity and PV power,direct expansion heat pumps and photovoltaic/thermal （PVT） heat pumps.The progresses of the related technologies are also briefly introduced.The solar air conditioning and heat pump technologies have made progress in improving energy efficiency,broadening the driven temperature range and enhancing environmental adaptability.Considering the energy demand of buildings,the technologies can advance the energy supply diversity and promote the green transformation of building energy.

Key words: carbon peaking and carbon neutrality, solar air conditioning, solar heat pump, absorption cycle, desiccant air conditioning, PVT heat pump

CLC Number:

TK519

CHEN Erjian, JIA Teng, YAO Jian, DAI Yanjun. Progresses and applications of solar air conditioning and heat pump technologies[J]. Huadian Technology, 2021, 43(11): 40-48.

Figures/Tables 17

Fig.1

Fig.2

Fig.3

Tab.1

Fig.4

Fig.5

Fig.6

Fig.7

Fig.8

Fig.9

Fig.10

Fig.11

Fig.12

Fig.13

Fig.14

Fig.15

Fig.16

References 18

[1]	左春帅, 樊海鹰, 王恩宇. 太阳能跨季节储热供热系统性能研究[J]. 华电技术, 2020, 42(11):44-50.
	ZUO Chunshuai, FAN Haiying, WANG Enyu. Study on the performance of a solar seasonal heat-storage and heating system[J]. Huadian Technology, 2020, 42(11):44-50.
[2]	王长君, 刘硕, 丁薛峰. 相变储能技术在清洁供暖中的应用研究[J]. 华电技术, 2020, 42(11):91-96.
	WANG Changjun, LIU Shuo, DING Xuefeng. The study on application of phase change energy storage technology in clean heating[J]. Huadian Technology, 2020, 42(11):91-96.
[3]	赵斌, 卢大为, 刘维安, 等. 高寒高海拔地区太阳能集中供暖技术及其应用[J]. 华电技术, 2020, 42(11):51-55.
	ZHAO Bin, LU Dawei, LIU Weian, et al. Technology and aplication of solar central heating in extremely cold and high-altitude areas[J]. Huadian Technology, 2020, 42(11):51-55.
[4]	ALAHMER A, AJIB S. Solar cooling technologies:State of art and perspectives[J]. Energy Conversion and Management, 2020, 214:112896. doi: 10.1016/j.enconman.2020.112896
[5]	SHE X, YIN Y, XU M, et al. A novel low-grade heat-driven absorption refrigeration system with LiCl-H₂O and LiBr-H₂O working pairs[J]. International Journal of Refrigeration, 2015, 58:219-234. doi: 10.1016/j.ijrefrig.2015.06.016
[6]	徐震原. 基于太阳能利用的溴化锂——水变效吸收式制冷的循环与系统研究[D]. 上海:上海交通大学, 2015.
[7]	HEROLD K, RADERMACHER R, KLEIN S, Absorption chillers and heat pumps[M]. U.S: CRC Press, 1996.
[8]	代彦军, 王如竹. 太阳能制冷讲座(1):太阳能空调制冷技术[J]. 太阳能, 2010(5):46-52.
[9]	CHEN J, DAI Y, WANG H, et al. Experimental investigation on a novel air-cooled single effect LiBr-H₂O absorption chiller with adiabatic flash evaporator and adiabatic absorber for residential application[J]. Solar Energy, 2018, 159:579-587. doi: 10.1016/j.solener.2017.11.029
[10]	ZHAO Y, GE T, DAI Y, et al. Experimental investigation on a desiccant dehumidification unit using fintube heat exchanger with silica gel coating[J]. Applied Thermal Engineering, 2014, 63(1):52-58. doi: 10.1016/j.applthermaleng.2013.10.018
[11]	CHU P, WANG H, CHEN J, et al. Experiment investigation on a LiBr-H₂O concentration difference cold storage system driven by vapor compression heat pump[J]. Solar Energy, 2021, 214:294-309. doi: 10.1016/j.solener.2020.12.015
[12]	陈道川. 低温型直膨式太阳能热泵实验与性能优化[D]. 上海:上海交通大学, 2020.
[13]	YAO J, LIU W, ZHAO Y, et al. Two-phase flow investigation in channel design of the roll-bond cooling component for solar assisted PVT heat pump application[J]. Energy Conversion and Management, 2021, 235:113988. doi: 10.1016/j.enconman.2021.113988
[14]	JIA T, DAI E, DAI Y. Thermodynamic analysis and optimization of a balanced-type single-stage NH₃-H₂O absorption-resorption heat pump cycle for residential heating application[J]. Energy, 2019, 171:120-134. doi: 10.1016/j.energy.2019.01.002
[15]	JIA T, CHU P, DOU P, et al. Working domains of a novel solar-assisted GAX based two-stage absorption resorption heat pump with multiple internal heat recovery for space heating[J]. Energy Conversion and Management, 2020, 220:113060. doi: 10.1016/j.enconman.2020.113060
[16]	JIA T, DOU P, CHU P, et al. Proposal and performance analysis of a novel solar-assisted resorption subcooled compression hybrid heat pump system for space heating in cold climate condition[J]. Renewable Energy, 2020, 150:1136-1150. doi: 10.1016/j.renene.2019.10.062
[17]	贾腾. 太阳能氨水再吸收多重回热式热泵循环机理与实验研究[D]. 上海:上海交通大学, 2020.
[18]	DAI E, LIN M, XIA J, et al. Experimental investigation on a GAX based absorption heat pump driven by hybrid liquefied petroleum gas and solar energy[J]. Solar Energy, 2018, 169:167-178. doi: 10.1016/j.solener.2018.04.038

太阳能供热制冷技术进展	适用场景	优点	COP_th	COP_ele
变效(1.N效)溴化锂吸收式制冷机组	商用	无极变效、单双效之间COP连续提升	0.69~1.10	—
单效风冷绝热吸收闪蒸制冷机组	家庭户用	体积小、风冷一体结构	0.64~0.76	—
采用除湿换热器的连续型除湿空调系统	商用	高效除湿,可实现热湿独立控制	0.34	—
热泵/太阳能驱动浓度差蓄冷/制冷循环	商用	可结合峰谷电价提高经济性	—	—
直膨式太阳能热泵	商用/家庭户用	高效稳定供热,受辐照强度影响较小	—	4.47
低温型直膨式太阳能热泵	商用/家庭户用	适应北方低温环境工况	—	2.51
直膨式太阳能辅助PVT热泵	商用/家庭户用	实现太阳能热电联产	—	8.00
太阳能辅助单级氨水平衡式再吸收热泵	商用	驱动温度低至85 ℃	1.55	—
基于GAX的两级平衡多重回热式再吸收热泵	商用	驱动温度低至73 ℃,低温适应性强	1.45	—
再吸收与蒸汽压缩耦合热泵	商用	稳定性好,低温适应性强	—	2.38
双热源驱动的GAX氨水吸收式热泵	商用	内部回热,热力性能好	1.80	—