兰州市区某场地地源热泵热响应试验
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作者单位:

1.中国矿业大学北京地球科学与测绘工程学院;2.甘肃省地矿局第二地质矿产勘查院

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P64

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兰州市浅层地热能调查评价项目(1212011220829)


A Study on Thermal Response Test of Ground Source Heat Pumpin Lanzhou City
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Affiliation:

1.College of Geoscience and Survey Engineering,China University of Mining and Technology;2.The Second Geological Exploration Institute of Gansu Geology ang Mineral Bureau

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    摘要:

    浅层地热能是地热资源的重要组成部分,开发浅层地热能必须以地质勘查评价为基础,需要掌握岩土体初始温度、导热系数等热物性参数,热响应试验是获取这些参数的基本方法。本文在兰州市区某场地进行了2个钻孔的地层初始温度、两种功率(4kW、8kW)恒热量加热、加热恒温度和制冷恒温度五种工况下的现场试验。获得了研究区地层的初始温度为14.94℃,导热系数为2.7W/(m.K),单孔每延米排热量、吸热量分别为63.07、26.14W/m,并据此评价了研究区的浅层地热能资源。

    Abstract:

    : Shallow geothermal energy is an important part of geothermal resources, and the development of shallow geothermal energy must be based on geological exploration evaluation, and the thermal response test is the basic method to obtain the thermal properties such as initial temperature and thermal conductivity of the rock and soil which are should be mastered. In this paper, five working conditions of two boreholes were carried out in an area of Lanzhou city, including the initial stratigraphy temperature, the constant heating of two powers (4kW and 8kW), the constant temperature heating and the constant temperature refrigeration. Obtained the initial stratigraphy temperature is 14.94 ℃, the thermal conductivity is 2.54 W/(m.K), the heatSemission and absorption per meter of single hole are 63.07 and 25.54W/m respectively, and evaluated the shallow geothermal energy resources through these data.

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马宝强,张凌鹏,范斌,等. 兰州市区某场地地源热泵热响应试验[J]. 科学技术与工程, 2019, 19(34): 86-94.
MA Bao-qiang,,FAN Bin, et al. A Study on Thermal Response Test of Ground Source Heat Pumpin Lanzhou City[J]. Science Technology and Engineering,2019,19(34):86-94.

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历史
  • 收稿日期:2019-04-22
  • 最后修改日期:2019-06-20
  • 录用日期:2019-07-15
  • 在线发布日期: 2020-01-08
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