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在对地层热量传递分析的基础上,通过相似理论建立地层储放能过程模拟实验系统,主要对不同储放能条件下,地层在储放能过程中的温度变化规律进行研究。研究表明:随着热源温度升高,在蓄热过程中地层温度的增幅变大;而在放热过程中,地层岩土温度的降幅减小。同时,地层在蓄热和放热过程中,地层温度沿水平方向的变化较剧烈,沿深度方向的变化趋缓。与实际地层储能技术的工程测量数据对比,地层储放能模拟实验可较好地反映在不同条件下地层的温度变化规律,为地层储能技术的工程应用和理论研究提供较精确的基础数据和参考。
Based on the analysis of heat transfer in formation, the simulation experiment system of formation energy storage process is established by the similarity theory. The research on the temperature variation of formation during storage and storage process under different storage energy conditions is carried out. The results show that with the increase of heat source temperature, the increase of formation temperature increases with the increase of heat source temperature, and decreases with the exothermic process. In the meantime, during the process of heat storage and exotherm, strata temperature changes more drastically along the horizontal direction, and the variation along the depth direction slows down. Compared with the engineering measurement data of the actual formation energy storage technology, the stratum storage simulation experiment can better reflect the temperature variation of the formation under different conditions and provide more accurate basic data for engineering application and theoretical research of formation energy storage technology And reference.