全玻璃真空太阳集热管关键技术参数研究进展

Research Progress on Key Technical Parameters of All-Glass Evacuated Solar Collector Tubes

全玻璃真空太阳集热管是太阳能热利用系统的重要组成部分,其性能参数的优劣直接影响到太阳能热利用系统的热性能、耐久可靠性和节能效果。文章从真空管基本结构和工作原理的介绍出发,对影响真空管性能的光学性能、热性能等关键技术参数及玻璃管材料、真空性能等其他技术要求的研究进展做了详细分析,并在长期从事科研和检测工作的基础上,给出了提升真空管的产品性能可从玻璃管生产优化、新涂层开发、真空性能加强、技术创新、先进设备开发、标准修订等方面的建议。

All-glass evacuated solar collector tubes are an important component of solar thermal utilization systems,and their performance parameters directly affect the thermal performance,durability,reliability,and energysaving effect of solar thermal utilization systems.Based on the introduction of the basic structure and working principle of evacuated tubes,this article provides a detailed analysis of the research progress on key technical parameters,such as optical and thermal properties that affect the performance of evacuated tubes,as well as other technical requirements,such as glass tube materials and vacuum properties.On the basis of long-term scientific and testing work,suggestions were proposed to improve the product performance of evacuated tubes,including optimizing glass tube production,developing new coatings,enhancing vacuum performance,innovating technology,developing advanced equipment,and revising standards.