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            暖通空調雜志社>期刊目次>2019年>第9期

            北京某地源熱泵工程運行分析*

            Operation analysis of a ground-source heat pump project in Beijing

            金光[1] 王瑾瑾[1] 畢文明[2] 趙雪茹[2] 王冰[3] 張之強[4]
            [1]內蒙古科技大學 [2]北京華清榮昊新能源開發有限責任公司 [3]內蒙古科技大學 [4]陜西省建筑設計研究院有限責任公司

            摘要:

            對北京某地源熱泵項目的運行工況進行了監測,分析了土壤溫度、空調側及地源側供回水溫度、耗電量、每延米換熱量等參數的變化。測試結果顯示:土壤溫度隨運行時間的變化具有明顯的季節性,在(15±10) ℃內波動,系統運行較穩定;冬、夏季每延米換熱量的平均值分別約為40 W/m和66 W/m;冬季供熱耗電量約占全年總耗電量的41.2%;項目平均每年節省327.18 t標準煤;在寒冷地區使用地源熱泵系統節能效果及經濟效益顯著。

            關鍵詞:地源熱泵工程,土壤溫度,供回水溫度,換熱量,耗電量,節能環保

            Abstract:

             Monitors the operating conditions of a ground-source heat pump project in Beijing, and analyses the changes of soil temperature, supply and return water temperature in air conditioning side and ground side, power consumption and heat transfer capacity per meter. The test results show that the soil temperature varies seasonally with the running time, fluctuating within (15±10) ℃, and the system runs steadily. The average heat transfer capacity per meter in winter and summer is about 40 W/m and 66 W/m, respectively. The heating consumption in winter is about 41.2% of the total consumption in the whole year. The project can save an average standard coal of 327.18 t per year, and the energy saving effect and economic benefits of ground-source heat pump system in cold zones are remarkable.

            Keywords:ground-sourceheatpumpproject,soiltemperature,supplyandreturnwatertemperature,heattransfercapacity,powerconsumption,energysavingandenvironmentalprotection

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