地埋管热泵换热系统热影响半径分析

地埋管热泵换热系统是一种在开发利用浅层地热能过程中应用非常广泛的热交换系统。本文依托山东省国土资源厅实施的聊城市浅层地温能调查评价项目，对聊城市某小区内的地埋管热泵换热系统安装温度自动采集监测装置，2016年采集一个完整制冷期的地温变化数据，通过监测地埋管热泵系统换热孔和周边一定距离内监测孔内温度变化，绘制换热孔和监测孔一定时间范围内温度随时间和距离的关系变化曲线，分析换热孔在吸收热量后温度通过土壤介质的传播速率和最大影响半径，从而为实际地埋管热泵换热系统工程设计提供了依据。

Influence radius of buried pipe heat pump heat exchange system

Buried pipe heat pump heat exchange system is a kind of heat exchange system which is widely used in the shallow geothermal energy development and utilization. Based on investigation and evaluation of shallow geothermal energy resources of Liaocheng implemented by Shandong Provincial Department of Land & Resources, we install automatic temperature collecting and monitoring devices in buried pipe heat pump heat exchange system of some communities in Liaocheng City. We collects the temperature automatic monitoring and monitoring device for the buried heat pump heat exchange system, and monitors the heat exchange hole of the buried heat pump system and the monitoring hole within a certain distance. The relationship between temperature and time distance in the heat exchange hole and monitoring hole in a certain time range is drawn. Finally, the propagation rate and maximum influence radius of the heat transfer hole through the soil medium after heat absorption are analyzed. The result provides the basis for the engineering design of the actual buried heat pump heat exchange system.