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在分析太阳能与土壤蓄热特点的基础上,提出了利用非采暖季蓄热的节能系统。由于太阳能照射强度具有随季节性变化的特点,非采暖季太阳能辐射强度一般较高,可借助地埋管系统向土壤中蓄热。通过对不同时段太阳辐射强度的监测,在进行数据分析的基础上,建立了太阳集热器数学模型。分析多孔介质蓄热过程的传热传质特性及土壤蓄热特性、非均质性以及地下水径流对热传播半径的影响等特点,提出了在非采暖季进行土壤蓄热的理论和可行性。
Based on the analysis of the characteristics of solar heat storage and soil heat storage, an energy saving system using non-heating season heat storage is proposed. Due to the seasonal variation of solar radiation intensity, the radiation intensity of solar radiation during the non-heating season is generally high, so that the buried pipe system can be used to heat the soil. Based on the data analysis, the solar collector mathematical model was established by monitoring the solar radiation intensity in different time periods. The heat and mass transfer characteristics of porous media in storage process, the characteristics of soil heat storage, heterogeneity and the influence of groundwater runoff on heat transfer radius are analyzed. The theory and feasibility of soil heat storage in non-heating season are proposed.