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地下岩土原始温度和运行中温度场变化是决定地能利用系统设计及能否长期稳定运行的关键因素.本文通过监测严寒地区大型地源热泵工程运行重要参数,特别是利用地下换热系统设置地下岩土温度监测孔,通过监测系统采暖期、制冷期和间歇期1年运行过程中,地下孔群纵向和径向岩土温度对负荷的响应及地温恢复情况,讨论热泵机组地温变化能效影响规律,为严寒地区地能利用系统实际工程运行及设计提供有效参考.
The original temperature of underground rock and the change of temperature field during operation are the key factors that can make use of the system design and whether it can operate steadily for a long time.Through monitoring the important parameters of the operation of large-scale ground source heat pump project in cold area, especially using the underground heat exchange system Underground geothermal temperature monitoring hole, by monitoring the system during the heating period, cooling period and intermittent period of 1 year operation, the vertical and radial underground geogrid soil temperature on the load response and ground temperature recovery to discuss heat pump unit temperature change energy efficiency Law, for the cold area can use the actual system operation and design to provide effective reference.