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地下水源热泵的“抽采-能量交换-回灌”系统运行过程中,不可避免地会对含水层中地下水水质造成一定的影响。选取安徽省内具有代表性的一处水源热泵项目工程(泾县人民医院热泵工程)为研究对象,在已知地质条件基础上建立相应的水文地质概念模型。结合相应的水位监测资料,利用GMS软件建立地下水水流数值模型。选取TDS,HCO_3~(-1)作为模拟因子,分析热泵系统运行条件下的模拟因子浓度变化趋势。由模拟结果可知,运行条件下的热泵系统对地下水水质的周期循环有一定影响,但影响范围不大。
Groundwater source heat pump “pumping - energy exchange - recharge ” system operation, inevitably have an impact on groundwater quality in aquifers. Select a typical water source heat pump project in Anhui Province (Jing County People’s Hospital heat pump project) as the research object, based on the known geological conditions to establish the corresponding hydrogeological conceptual model. Combined with the corresponding water level monitoring data, a numerical model of groundwater flow was established by GMS software. TDS and HCO_3 ~ (-1) were chosen as simulation factors to analyze the trends of the concentration of simulated factors under the operating conditions of heat pump system. It can be seen from the simulation results that the heat pump system under operating conditions has certain influence on the cycle of groundwater quality, but the influence range is not large.