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河北省可再生能源供热工程技术中心 河北建筑工程学院 张家口 075000
张玉瑾,女,硕士,讲师,河北建筑工程学院能源工程系,15132351085,E-mail:zy841010@163.com。研究方向:可再生能源应用技术。
收稿:2025-03-01,
修回:2025-03-31,
录用:2025-05-26,
网络出版:2025-12-17,
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牛建会,安泽龙,张晨旸等.无水地暖热水两联供空气源热泵实验研究[J].制冷学报,
Niu Jianhui An Zelong Zhang Chenyang Wu Yuzhou Zhang Yujin.Experimental Study on the Performance of Waterless Floor Heating and Hot Water Dual Supply Air-Source Heat Pump System[J].Journal of Refrigeration,
牛建会,安泽龙,张晨旸等.无水地暖热水两联供空气源热泵实验研究[J].制冷学报, DOI:10.12465/issn.0253-4339.20250301003.
Niu Jianhui An Zelong Zhang Chenyang Wu Yuzhou Zhang Yujin.Experimental Study on the Performance of Waterless Floor Heating and Hot Water Dual Supply Air-Source Heat Pump System[J].Journal of Refrigeration, DOI:10.12465/issn.0253-4339.20250301003.
提出了一种新型的无水地暖热水两联供空气源热泵系统,其特征是制冷剂直接在地暖埋管中冷凝,同时高温的制冷剂在外绕盘管式热水器中进行热交换制取生活热水,实现室内供暖和生活热水供应。加工出样机并在单独地板采暖、两联供及单独热水器3种模式下进行测试。结果表明:3种模式下房间地板表面温度均维持在25~33 ℃,空气温度维持在18~22 ℃。毛细管地板具有蓄热作用,当停止向房间供热约113~245 min时,房间空气温度依然保持在18 ℃以上;在优先满足室内采暖要求下,该系统在环境温度为-5 ℃时,经过572.3 min,热水器水温升至45 ℃;系统制热量和EER最低分别达到2.70 kW和3.55。
A new type of air-source heat pump system combining waterless floor heating and hot water, characterized by the direct condensation of the refrigerant in the buried pipe for floor heating, is proposed. The high-temperature refrigerant is exchanged in the outer coil water heater to produce domestic hot water. The prototype was processed and tested in three modes: single-floor heating, dual supply, and single water heater. The experimental results show that the surface temperature of the floor was maintained between 25 and 33 ℃, and the air temperature was maintained between 18 and 22 ℃ irrespective of the mode. Due to the heat storage effect of the capillary floor, the air temperature in the room remained above 18 ℃ within 113–245 min of stopping the heat flow to the room. At an ambient temperature of -5 ℃, after 572.3 min, the water temperature of the water heater rose to 45 ℃. The minimum system heating capacity and energy efficiency ratio (EER) can reach 2.70 kW and 3.55, respectively.
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