中深层套管换热装置在高导热性岩层中的供热研究

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中图分类号：X172 文献标识码：A 文章编号：1008-9500（2025）05-0120-04

DOI： 10.3969/j.issn.1008-9500.2025.05.034

Abstract： In the fieldof geothermal heating，inorder to break throughthelimitationsof shallow geothermal technology， technicians have proposed middle deep shellheat exchanger in practicaldevelopment.This paper introduces the basic principles of heattransfer in medium and deep casing，and models geothermal wels and verifies heat transfer experiments based o practical projects.The results indicate that the distribution of ground temperature is closelyrelated to the geological structure.In practical engineering，itisrecommended toarrnge well clusters ina linear mannerand provide multiple heat sources for coupled heating to reduce project investment.

Keywords： middle deep shell heat exchanger; geothermal well; well group heat exchange

1中深层套管换热的基本原理

在“十四五”规划的指引下，我国将碳达峰、碳中和目标融人经济社会发展全局，中深层套管换热装置作为地热利用的新手段逐渐凸显其作用。（剩余3629字）