西安建筑科技大学学报(自然科学版)

通过对我国内蒙古地区的太阳能 - 地源热泵系统运行模式及性能参数进行研究,得到适合该地区运行的最佳方式.以包头市住宅建筑为模型,建筑面积为6 451.94 m2,对该建筑的太阳能 - 地源热泵系统的辅助模式与补热模式两种模式进行仿真,结果表明:辅助模式明显优于补热模式.集热器参数在最优条件下,太阳能 - 地源热泵系统连续运行5a时,辅助模式下的土壤温度仅下降0.32 ℃.COP 均值为4.82,辅助模式较补热模式的COP值提高24.9%.又分析了不同模式下的热泵机组制热量及系统的耗电量,辅助模式较补热模式下热泵机组的年制热量降低49.3%,年耗电量降低了4.26%.

Through the research on the operation mode and performance parameters of the solar-ground source heat pump system in Inner Mongolia in China, the best way to operate is obtained in this area. Taking a residential building, which covers an area of 6 451.94 m2 in Baotou as the model, the auxiliary mode and the supplementary mode of the solar-ground source heat pump system of the building are simulated. Results show that the auxiliary mode is obviously better than the heating mode. When the collector parameters under optimal conditions and the solar-ground source heat pump system is continuously operated for 5 years, the soil temperature in the auxiliary mode only decreased by 0.32 °C, the COP average is 4.82, and the assist mode increased by 24.9% as compared with the supplemental heat mode. Different modes of heating capacity of the heat pump unit and the power consumption of the system are aslso an analyzed. The auxiliary mode is reduced by 49.3% and annual electricity consumption decreased by 4.26% compared with the annual heat of the heat pump unit in the supplementary heat mode.

引言
1 模型建立
2 系统模式
3 模拟结果与分析
4 结论

图1 包头市太阳能辐射量图<br/>Fig.1 Solar radiation in Baotou

图1 包头市太阳能辐射量图
Fig.1 Solar radiation in Baotou

图2 负荷模拟结果<br/>Fig.2 Result of load simulation

图2 负荷模拟结果
Fig.2 Result of load simulation

表1 仿真中主要部件参数<br/>Tab.1 Main component parameters in the simulation

表1 仿真中主要部件参数
Tab.1 Main component parameters in the simulation

图3 SGSHP系统补热模式<br/>Fig.3 SGSHP system heating mode

图3 SGSHP系统补热模式
Fig.3 SGSHP system heating mode

图4 SGSHP系统辅助模式<br/>Fig.4 SGSHP system assist mode

图4 SGSHP系统辅助模式
Fig.4 SGSHP system assist mode

图5 补热模式下不同集热器面积的土壤温度<br/>Fig.5 Soil temperature of different collector areasin in the heat supplement mode

图5 补热模式下不同集热器面积的土壤温度
Fig.5 Soil temperature of different collector areasin in the heat supplement mode

图6 辅助模式下不同集热器面积的土壤温度<br/>Fig.6 Soil temperature of different collector areas in auxiliary mode

图6 辅助模式下不同集热器面积的土壤温度
Fig.6 Soil temperature of different collector areas in auxiliary mode

图7 集热器角度随时间变化的得热量<br/>Fig.7 Heat gain of the collector angle with time

图7 集热器角度随时间变化的得热量
Fig.7 Heat gain of the collector angle with time

图8 集热器参数优化下不同模式土壤温度<br/>Fig.8 Different model soil temperature under the optimization of collector parameters

图8 集热器参数优化下不同模式土壤温度
Fig.8 Different model soil temperature under the optimization of collector parameters

图9 不同模式下热泵制热量对比<br/>Fig.9 Heat pump heat comparison in different modes

图9 不同模式下热泵制热量对比
Fig.9 Heat pump heat comparison in different modes

图10 不同模式下全年耗电量对比<br/>Fig.10 Comparison of annual power consumption in different modes

图10 不同模式下全年耗电量对比
Fig.10 Comparison of annual power consumption in different modes

图11 不同系统模式下年平均COP值<br/>Fig.11 Annual averageCOP value in different system modes

图11 不同系统模式下年平均COP值
Fig.11 Annual averageCOP value in different system modes

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备注

引言

1 模型建立

2 系统模式

3 模拟结果与分析

4 结论

期刊信息