太阳能制冷技术在多年冻土区的研究及应用  

作　　者：董添春 米维军 李胜威 沈朝政 

机构地区：[1]中国铁路青藏集团有限公司,西宁810000 [2]青海省冻土与环境工程重点实验室,青海格尔木816099 [3]中铁西北科学研究院有限公司,兰州730000

出　　处：《科技创新与应用》2024年第22期169-172,共4页Technology Innovation and Application

基　　金：中国铁路青藏集团有限公司科技研究开发计划(QZ2022-G04);中国中铁股份有限公司科技研究开发计划(实用技术2022-重点-14);中国国家铁路集团有限公司科技研究开发计划(K2022G107)。

摘　　要：全球气候变暖趋势下,多年冻土地基的赋存环境发生变化,导致多年冻土区路基的下沉现象较为普遍,为保证多年冻土地基的稳定,急需新型技术以应对带来的多年冻土工程稳定性挑战。该文重点介绍太阳能吸附式制冷在维护多年冻土中的机理及作用,通过分析青藏高原丰富的太阳能资源,探讨太阳能吸附式制冷在保护多年冻土地基热稳定中的潜力。研究结果表明,太阳能吸附式制冷技术在多年冻土区能够充分利用丰富的太阳光照作为热源动力,实现持续制冷,有效保护冻土地基。该文还讨论太阳能热棒技术的现状和未来发展方向,指出其作为一种环保、节能的制冷方式,在应对全球气候变暖和保护寒区工程热稳定方面具有广阔的应用前景。Under the trend of global warming,the occurrence environment of permafrost foundation has changed,which leads to the subsidence of roadbed in permafrost region is more common.In order to ensure the stability of permafrost foundation,new technologies are urgently needed to meet the stability challenges of permafrost engineering.This paper focuses on the mechanism and function of solar adsorption refrigeration in the maintenance of permafrost,and discusses the potential of solar adsorption refrigeration in protecting the thermal stability of permafrost foundation by analyzing the rich solar energy resources in Qinghai-Tibet Plateau.The research results show that solar adsorption refrigeration technology can make full use of abundant solar light as heat source power in permafrost regions to achieve continuous cooling and effectively protect permafrost foundation.This paper also discusses the present situation and future development direction of solar heat rod technology,and points out that as an environmentally friendly and energy-saving refrigeration method,solar heat rod technology has a broad application prospect in dealing with global warming and protecting thermal stability of projects in cold regions.

关 键 词：吸附式制冷 青藏高原 多年冻土 太阳能热棒 环境保护 

分 类 号：U216.41[交通运输工程—道路与铁道工程]