地源热泵空调系统在温室中跨季节蓄热运行的性能

doi:10.3969/j.issn.1004-1524.2020.03.20

浙江农业学报 ›› 2020, Vol. 32 ›› Issue (3): 534-542.DOI: 10.3969/j.issn.1004-1524.2020.03.20

地源热泵空调系统在温室中跨季节蓄热运行的性能

鲍玲玲, 朱淑静, 耿杰雯

河北工程大学能源与环境工程学院,河北邯郸 056038

收稿日期:2019-10-30 出版日期:2020-03-25 发布日期:2020-04-03
作者简介:鲍玲玲(1982—),女,河北藁城人,博士,副教授,主要从事地源热泵、余热回收等研究。E-mail: lingling5934@163.com
基金资助:
北京市科技计划(Z171100004417017); 河北省教育厅科学研究计划(ZD2018088)

Study on operation of ground source heat pump air-conditioning system in greenhouse

BAO Lingling, ZHU Shujing, GENG Jiewen

School of Energy and Environmental Engineering, Hebei University of Engineering, Handan 056038, China

Received:2019-10-30 Online:2020-03-25 Published:2020-04-03

摘要/Abstract

摘要： 温室作为设施农业的主体,其温度调节尤为重要。通过地源热泵空调系统,对温室进行跨季节蓄热,高效节能,清洁环保。以北京某温室及其地源热泵空调系统为研究对象,分析跨季节蓄热系统在温室中的运行性能。采用DeST软件进行建模,分析负荷和室温变化规律,确定系统的运行特性,再结合工程实际数据,探究地源热泵空调系统的运行效果,分析系统运行的稳定性。结果表明,全年热、冷负荷总量比值为1.0:1.1,可实现温室能源跨季节的自供给利用;温室室温维持在20.0~25.0 ℃,能够满足高档花卉的生长温度需求;热泵源侧进水温度维持在11.4~23.7 ℃,可以满足相关规范要求;全年地埋管处土壤温度升高1.3 ℃,变化相对稳定。综上可知,地源热泵系统在温室中运行效果显著,稳定性较强,具有良好的经济和节能减排效益。

关键词: 温室, 跨季节蓄热, 地源热泵系统, 运行效果

Abstract: Greenhouse, as the main part of facility agriculture, is particularly important to adjust the temperature in the growing environment. Through the ground source heat pump air conditioning system, the greenhouse stored heat across seasons. It had the advantages of high efficiency, energy saving, cleanliness and environmental protection. A greenhouse in Beijing and its source heat pump air conditioning system were used as the research objects to analyze the operating performance of cross-season heat storage system in the greenhouse. DeST software was used to modeling and analyze the variation of load and room temperature and determine the operating characteristics of the system. Combined with the actual engineering data, the operation effect of ground source heat pump air conditioning system was explored, and the stability of the system was analyzed. The results showed that the total heat and cold load ratio of the whole year was 1.0:1.1. The room temperature of the greenhouse was maintained at 20.0-25.0 ℃, which could meet the growth temperature requirements of high-grade flowers. The water inlet temperature on the source side of the heat pump was maintained at 11.4-23.7 ℃, which met the requirements of relevant specifications. The annual soil temperature of buried pipes increased by 1.3 ℃, and the change of soil temperature was relatively stable. The ground source heat pump system worked well in greenhouse and was stable. It had good economic, energy saving and emission reduction benefits.

Key words: greenhouse, inter-seasonal energy storage, ground source heat pump system, running effect

中图分类号:

S625
TU83

鲍玲玲, 朱淑静, 耿杰雯. 地源热泵空调系统在温室中跨季节蓄热运行的性能[J]. 浙江农业学报, 2020, 32(3): 534-542.

BAO Lingling, ZHU Shujing, GENG Jiewen. Study on operation of ground source heat pump air-conditioning system in greenhouse[J]. , 2020, 32(3): 534-542.

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地源热泵空调系统在温室中跨季节蓄热运行的性能

Study on operation of ground source heat pump air-conditioning system in greenhouse

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