北京地区太阳能供暖集热—蓄热系统研究

发布时间：2018-04-18 08:00

本文选题：太阳能供暖系统 + 集热器　；参考：《辽宁工程技术大学》2013年硕士论文

【摘要】：目前世界经济飞速发展,由此带来的能源问题以及能源紧张所诱发的社会、环境问题逐步突现。太阳能作为一种绿色可再生能源,对其开发利用意义重大。本文对国内外太阳能应用背景、太阳能供暖集热-蓄热系统发展状况进行了综合评述，分析了太阳能热应用的优势和缺点，并针对北京地区新农村太阳能供暖系统工程应用过程中存在的问题，从理论研究、模拟分析、实验测试三方面研究分析，为该系统在北京地区的工程设计、施工、运行维护管理提供了科学合理的指导。理论模拟研究方面，本文对太阳能供暖系统工作原理以及建筑采暖热工设计中常用的建筑热平衡原理和SLR法进行了详细地分析；利用光学、几何学、热力学、传热学知识对太阳能集热器、储热水箱进行理论分析研究；运用太阳能热利用动态模拟软件-Polysun对北京地区某新农村太阳能供暖工程项目全年运行过程进行了分析研究；对北京地区集热器最佳倾角及其最佳方位角，，集热器面积与水箱体积匹配问题，影响集热器面积的因素，储热水箱体积与集热效率、贮热效率三者关系，太阳能保证率、水箱容积率（贮热水箱体积与集热器面积之比）对水箱体积的影响状况进行了分析总结。实验测试方面，本文分析了不同天气情况、系统工况下的室内外温度测定结果，对比分析了供暖系统调整部件参数前后全年太阳能集热器供热量、辅助热源供热量、系统末端耗热量、储热水箱热损失以及年太阳能保证率的变化情况。
[Abstract]:At present, with the rapid development of the world economy, the energy problems and the social and environmental problems caused by the energy stress appear gradually.As a kind of green renewable energy, solar energy is of great significance to its development and utilization.In this paper, the background of solar energy application at home and abroad and the development status of solar heating collector and heat storage system are comprehensively reviewed, and the advantages and disadvantages of solar energy thermal application are analyzed.Aiming at the problems existing in the application of the new rural solar energy heating system in Beijing area, this paper studies and analyzes the system from three aspects: theoretical research, simulation analysis and experimental test, in order to design and construct the system in Beijing area.Operation and maintenance management provides scientific and reasonable guidance.In the aspect of theoretical simulation, the working principle of solar heating system and the principle of building heat balance and SLR method commonly used in building heating design are analyzed in detail in this paper, using optics, geometry, thermodynamics,The theoretical analysis of solar collector and hot water storage tank is carried out with the knowledge of heat transfer, and the whole year operation process of a new rural solar heating project in Beijing is analyzed and studied by using the dynamic simulation software of solar energy utilization-Polysun.The optimum inclination angle and azimuth angle of the collector in Beijing area, the matching problem between the collector area and the volume of the water tank, the factors affecting the area of the collector, the relationship between the volume of the hot water storage tank and the heat collection efficiency, the heat storage efficiency, and the solar energy guarantee rate are discussed.The effect of water tank volume ratio (the ratio of water tank volume to collector area) on tank volume is analyzed and summarized.In terms of experimental test, this paper analyzes the results of indoor and outdoor temperature measurements under different weather conditions and system conditions, compares and analyzes the annual heat supply of solar collectors and auxiliary heat sources before and after adjusting the parameters of the components of the heating system.The heat consumption at the end of the system, the heat loss of the hot water storage tank and the change of the annual solar energy guarantee rate.
【学位授予单位】：辽宁工程技术大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU832

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