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为了确定综合能源站内土壤源热泵的运行效果及调节措施,本文通过对天津某综合能源站内土壤源热泵用户侧供能量、地源侧换热量、地埋管供水温度进行连续三年的监测,分析机组直接供能和蓄能运行工况下的平均运行效率。研究结果表明,能源站集中供能可很好地调配各设备的供能量。三年来,土壤源热泵机组白天供能、晚上蓄能,平均运行效率为机组额定COP值的91.4%~112.7%,不仅保证各机组均能以高效率运行,且可节约运行费用,减少碳排放。研究成果可为土壤源热泵系统在能源站中的运行提供参考。
In order to determine the operation effect and adjustment measures of ground-source heat pump in integrated energy station, this paper monitors the energy supply of ground-source heat pump users, the heat exchange of ground source side and the temperature of buried pipe water supply in an integrated energy station in Tianjin for three consecutive years, Analyze the average operating efficiency of the unit under direct energy supply and storage operation. The results show that the centralized energy supply of energy station can well supply the energy of each equipment. In the past three years, the ground-source heat pump unit was energized during the day and stored at night. The average operating efficiency was 91.4% ~ 112.7% of the rated COP of the unit, which not only ensured that all the units could operate at high efficiency, but also saved operating costs and reduced carbon emissions . The research results can provide a reference for the operation of ground-source heat pump system in energy station.