技术中心

【英文篇名】 Heating experiment of solar-ground-source hybrid heat pumps 【作者中文名】 王侃宏; 李永; 侯立泉; 王宏伟; 【作者英文名】 Wang Kanhong; Li Yong; Hou Liquan and Wang Hongwei Hebei University of Engineering; Handan; Hebei Province; China; 【作者单位】 河北工程大学; 河北科技师范学院; 【文献出处】 暖通空调, Heating Ventilating 供暖; 单眼埋管井; 蒸发器; 冷凝器; 【英文关键词】 solar-ground-source hybrid heat pump; heating; single underground exchanger well; evaporator; condenser; 【摘要】 在所建立的太阳能-土壤复合式地源热泵实验台上,进行了单眼埋管井取热土壤源热泵供暖(模拟埋管面积不够的情形)和复合式地源热泵供暖的实验研究。结果表明,热泵机组从单眼埋管井取热时,冷凝器出水温度只有35℃左右,并且机组运行一段时间后,蒸发器出现结冰现象,造成了压缩机连续启停的不稳定工况;复合式系统运行时,蒸发压力始终保持在较高的水平,冷凝器出水温度达到43℃左右,可以满足风机盘管冬季工况的要求,复合式系统的机组平均制热性能系数为3.7。 【英文摘要】 Conducts the heating experiment for ground-source heat pump with single underground exchanger well(simulating the situation of insufficient heat exchange area)and solar-ground-source hybrid heat pump on the established experiment table.The results show that when the ground-source heat pump with single underground exchanger well is in operation,the outlet water temperature of the condenser is only about 35 ℃ and the evaporator will freeze some time later resulting in frequent start-stop of the compressor,and...