| 深部地热能开发保温管技术研究现状及发展趋势 |
| 投稿时间：2021-10-27 修订日期：2022-04-15 点此下载全文 |
| 引用本文：杜垚森,封优生,伍晓龙,等.深部地热能开发保温管技术研究现状及发展趋势[J].钻探工程,2022,49(6):138-145.DU Yaosen,FENG Yousheng,WU Xiaolong,et al. Research status and consideration of thermal insulation pipe technology for deep geothermal energy development[J]. Drilling Engineering, 2022,49(6):138-145. |
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| 基金项目:中国地质调查局地质调查项目“智能化深部钻探技术升级与应用示范”（编号：DD20211421）；中国地质科学院勘探技术研究所项目“深部地热能开发真空纳米保温管导热系数影响机制研究”（编号：YB202205） |
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| 中文摘要:地热能是一种清洁的可再生能源，用地热能替代高碳能源是减少碳排放的有效途径之一。井下保温管技术是影响地热能开采效率的关键技术之一。本文从保温管的结构、材料、保温材料及制作工艺方面介绍了井下保温管的发展研究现状，指出纳米保温材料与真空油管的融合将是未来的发展趋势，真空纳米保温管是用于深部地热能开采的首选，同时也指出了真空纳米保温管的基础结构因素对保温性能的影响机制是研究的重点，为优化保温管的制作工艺、降本增效提供参考。 |
| 中文关键词:地热能 保温管技术 真空纳米保温管 真空油管 研究现状 发展趋势 |
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| Research status and consideration of thermal insulation pipe technology for deep geothermal energy development |
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| Abstract:Geothermal energy is a kind of clean and renewable energy， and replacing high carbon energy with geothermal energy is one of the effective ways to reduce carbon emission. Underground pipe insulation technology is one of the key technologies that influence efficiency of geothermal energy exploitation. This paper describes the development situation of underground thermal insulation pipe in terms of the structure， pipe materials， insulation materials， and production process； and points out that the blend of nano insulation materials and vacuum pipe will be the development trend in the future with vacuum nano insulated pipe as the first choice for deep geothermal energy exploitation； meanwhile， it is pointed out that research should be focused on the influence mechanism of basic structure factors on thermal insulation performance of vacuum nano insulated pipe， which has guiding significance for optimization of the production process of thermal insulation tube， reduction of cost and increase of efficiency. |
| keywords:geothermal energy thermal insulated pipe vacuum nano insulated pipe research status development trend |
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