所谓的埋管式地源热泵，就是将换热器埋放于土壤当中，将土壤中的热量与室内的冷量进行交换，而埋于地下的状态则容易受地下水流、水层厚度、土壤孔隙等因素的影响，尤其是在薄含水层，水流流速对热量的影响巨大，使得导热系数下降，导致使用效果差。

The so-called buried ground source heat pump, heat exchanger is buried in the soil, the quantity of cold heat and indoor soil in the exchange of the influence of the buried state are vulnerable to groundwater, aquifer thickness, soil porosity and other factors, especially in the thin aquifer, influence of flow velocity the heat makes great, 

thermal conductivity decreased, resulting in the use of poor effect.

地下水的情况是决定使用浅层地温能开发利用方式（即地下水地源热泵系统和地埋管地源热泵系统）的首要因素。只有地下水水量充足、回灌条件好的区域才可使用地下水地源热泵系统，而含水层的分布很大程度上决定了换热井的深度和结构设计。

Groundwater is the primary factor deciding the use of shallow geothermal energy development and utilization mode, 

namely the ground source heat pump system and the ground source heat pump system. Only when the groundwater volume is sufficient and the recharge condition is good, can we use the ground source heat pump system. The distribution 

of aquifer determines the depth and structural design of the heat exchanger well.

综合所有因素来看，在薄水层的条件下，对地源热泵机组的换热影响大，而不同地区的具体情况千差万别，这就要求设计方要充分了解当地使用条件，进行合理的计算，确保换热量能够满足需求，让地源热泵正常使用。

All the factors, the thin water layer under the condition of ground source heat pump unit maximum thermal effect, and different regions of the specific situation, which requires the designer to fully understand local conditions, reasonable calculation, ensure that heat can meet the demand for normal use of ground source heat pump.

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