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点聚焦太阳炉设计方法与研制实践

  • 张喜良 ,
  • 崔芝瑛 ,
  • 臧春城 ,
  • 朱会宾 ,
  • 白凤武 ,
  • 王志峰
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  • 1. 中国科学院太阳能热利用及光伏系统重点实验室,北京 100190;
    2. 中国科学院电工研究所,北京 100190;
    3. 北京市太阳能热发电工程技术研究中心,北京 100190;
    4. 中国科学院大学,北京 100190
张喜良(1966-),男,高级工程师,主要从事太阳能聚光器技术研究。白凤武(1975),男,博士,研究员,博士生导师,主要从事太阳能吸热及储热技术研究。

收稿日期: 2018-04-10

  修回日期: 2018-05-02

  网络出版日期: 2018-08-31

基金资助

北京市自然科学基金项目(3182038)

Development and Design Method of Point Focus Solar Furnace

  • ZHANG Xi-liang ,
  • CUI Zhi-ying ,
  • ZANG Chun-cheng ,
  • ZHU Hui-bin ,
  • BAI Feng-wu ,
  • WANG Zhi-feng
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  • 1. Key Laboratory of Solar Thermal Energy and Photovoltaic System, Chinese Academy of Sciences, Beijing 100190, China;
    2. Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China;
    3. Beijing Engineering Research Center of Solar Thermal Power, Beijing 100190, China;
    4. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2018-04-10

  Revised date: 2018-05-02

  Online published: 2018-08-31

摘要

从聚光原理、光学计算、硬件设计,到安装与调试,详细介绍了点聚焦太阳炉的研制过程。根据当地用户的需求和太阳能资源,通过自行设计的光学软件,计算出典型日一次反光定日镜在二次聚光器截光口平面上的照射情况、二次聚光器的最佳焦距以及焦平面焦点处的峰值热功率。模块化设计的一次反光定日镜,不仅降低了制造成本,提高了生产效率,简化了一次反光定日镜的整体支架,同时给运输和安装带来了方便。单元反光镜反光面采用12点支撑,为定日镜的单元镜面调平创造了条件。同样采用模块化设计的二次聚光器,有利于制造成本的降低,方便运输和现场安装。反光镜单元面型可调,大大增强了点聚焦太阳炉参数的适应性。通过样机研制,验证了设计方法的可行性。

本文引用格式

张喜良 , 崔芝瑛 , 臧春城 , 朱会宾 , 白凤武 , 王志峰 . 点聚焦太阳炉设计方法与研制实践[J]. 新能源进展, 2018 , 6(4) : 288 -296 . DOI: 10.3969/j.issn.2095-560X.2018.04.006

Abstract

In this paper, a detail introduction to the manufacturing procedure of the point-focused solar furnace was presented from four parts: focusing principle of the solar furnace, optical calculation process, hardware design and installation and testing. According to the actual needs of users and the local solar energy resources, the illuminating area on the plane of the secondary concentrator and the thermal power could be estimated by self-programmed software. Sequentially, the core components of the solar furnace were designed based on the optics calculation results. The modular design of the heliostat both improved the production efficiency with lower cost and simplified the bracket structure. At the same time, it is more convenient for transporting and installation. Each unit reflector of the heliostat had 12 supportive points, which brought the more benefit when leveling the mirror. The similar modular design was taken when designing the secondary concentrator for the reduction of the manufacturing costs, the ease of transport and on-site installation. Each facet of the concentrator was adjustable which significantly enhanced the adaptability of point focus solar furnace. The feasibility of the design method is verified by prototype development.

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