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A Method for Predicting the Temperature of Circulating Fluid in Mid-deep U-shape Heat Exchange Wells

A prediction method and technology of circulating fluid, applied in the application of thermometer, prediction/simulation of geothermal energy, temperature measurement of moving fluid, etc., can solve the problem of large equipment investment, inability to predict the temperature change trend of circulating fluid, and inconvenient arrangement of temperature monitoring elements and other problems to achieve the effect of reducing equipment investment

Active Publication Date: 2021-07-13
SHANDONG JIANZHU UNIV
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Problems solved by technology

[0006] The inventors found that for the monitoring of the temperature of the circulating fluid in mid-deep U-shaped wells, a large number of temperature monitoring elements need to be arranged in mid-deep U-shaped wells. Since the mid-deep U-shaped wells are buried deep, the arrangement of temperature monitoring elements is inconvenient. Moreover, the number of temperature monitoring components required is large, the equipment investment is large, and it is impossible to predict the temperature change trend of the circulating fluid, especially the temperature change after one year or even several years, and it is difficult to obtain data through experiments.

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  • A Method for Predicting the Temperature of Circulating Fluid in Mid-deep U-shape Heat Exchange Wells

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[0016] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0017] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0018] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present i...

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Abstract

The invention relates to a method for predicting the circulating fluid temperature of a U-shaped heat exchange well in a mid-deep layer. Set multiple nodes in the rock and soil, collect the temperature information at the initial moment of the node at the inlet of the circulating fluid and its peripheral rock and soil nodes, and substitute the collected temperature information into the prediction model formed by the node equations of multiple nodes in the U-shaped heat exchange well in the middle and deep layers, and get The temperature information of other position nodes and other time points of U-shape heat exchange wells in the middle and deep layers. The method of the invention requires less investment in equipment, and can grasp the change rule of the temperature of the circulating fluid with the position and time.

Description

technical field [0001] The invention relates to the technical field of construction environment and energy application engineering, in particular to a method for predicting the temperature of circulating fluid in a U-shaped heat exchange well in a middle-deep layer. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Ground source heat pump technology is popularized and applied due to its advantages in energy saving and environmental protection. The underground medium provides cooling and heat to buildings in summer and winter respectively. The whole system is composed of buried tube heat exchanger, heat pump unit and indoor terminal equipment, while the buried tube heat exchanger reflects the difference between ground source heat pump and other types of heat pump. In recent years, the shallow geothermal energy in the range of 50m to 200m from the gro...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K13/02G01K3/14G01K3/10F24T10/15
CPCG01K13/02G01K3/10G01K3/14F24T10/15F24T2201/00G01K13/026Y02E10/10
Inventor 张文科关春敏孙炳岩王建华
Owner SHANDONG JIANZHU UNIV
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