西安住宅建筑太阳能集中热水系统应用研究
发布时间:2018-04-08 11:52
本文选题:集中热水系统 切入点:CPC 出处:《西安建筑科技大学》2013年硕士论文
【摘要】:太阳能是一种清洁再生能源,它具有取材容易、成本较低的优点,所以越来越多的受到大家的关心。近年来,随着人们对环境问题认识的不断深入,有越来越多的人关注太阳能的利用。太阳能,作为房屋建筑集中热水系统的主要热源,可减少能源与资源的消耗,减少二氧化碳对空气的污染。但是,太阳能装置在不同地域的地理气候条件下存在着因地制宜的问题。所以,住宅建筑太阳能集中热水系统在西安地区乃至整个西北地区的研究有着重要的现实意义。 首先,作者对太阳能热水系统在住宅建筑中的应用进行了研究,分析了不同太阳能系统的原理构成及优缺点,同时对系统的主要设备进行了逐一分析、优化,对整个系统的设计流程进行了计算分析和总结归纳。 其次,笔者对西安地区的住宅建筑特点和当地气象资料进行了分析计算,分析结果表明西安市地区太阳能资源较丰富,太阳能辐照量全年分布较均匀,完全可以满足太阳能热水系统方案在西安地区使用的需要。 最后,根据研究成果,本文以西安地区一个典型住宅小区为实例进行了太阳能热水系统设计,同时对该系统做了技术经济分析。太阳能热水系统设计与建筑设计同步,采用与建筑一体化的形式。集热器选择了CPC热管式真空集热器。将其安装在屋顶上,通过方案比较后,确定太阳能热水系统采用集中集热——集中储能的形式。本系统同时采用了动力循环方式,将水箱放在地下室的机房内,解决了自然循环产生的一些问题。从分析结果看,集中集热系统的每户投资与其他家用热水器的每户的投资相差不大。对太阳能系统进行节能效益分析后,发现太阳能系统在减少二氧化碳排放,保护环境方面具有积极的意义。
[Abstract]:Solar energy is a kind of clean and renewable energy, it has the advantages of easy to use materials and low cost, so more and more attention is paid to it.In recent years, with the deepening understanding of environmental issues, more and more people pay attention to the use of solar energy.Solar energy, as the main heat source of concentrated hot water system in buildings, can reduce the consumption of energy and resources, and reduce the air pollution caused by carbon dioxide.However, solar energy devices in different geographical and climatic conditions exist in response to local conditions.Therefore, the study of solar concentrated hot water system in residential buildings in Xi'an and even the whole northwest area has important practical significance.First of all, the author studies the application of solar water heating system in residential buildings, analyzes the principle structure, advantages and disadvantages of different solar energy systems, and analyzes the main equipment of the system one by one.The design process of the whole system is analyzed and summarized.Secondly, the characteristics of residential buildings and local meteorological data in Xi'an are analyzed and calculated. The results show that the solar energy resources in Xi'an are abundant, and the solar radiation is distributed evenly throughout the year.It can fully meet the needs of solar water heating system in Xi'an area.Finally, according to the research results, this paper takes a typical residential district in Xi'an area as an example to design a solar water heating system, and makes a technical and economic analysis of the system at the same time.Solar water heating system design and architectural design synchronization, using the form of integration with the building.The collector selects CPC heat pipe vacuum collector.The solar hot water system is determined to adopt the form of centralized heat collection and concentrated energy storage after the comparison of the schemes and the installation of the solar water system on the roof.At the same time, the system adopts the power cycle mode and puts the water tank in the computer room of the basement to solve some problems caused by the natural circulation.According to the analysis results, the investment of each household of centralized heating system is not different from that of other household water heaters.After analyzing the energy saving benefit of solar energy system, it is found that solar energy system has positive significance in reducing carbon dioxide emission and protecting environment.
【学位授予单位】:西安建筑科技大学
【学位级别】:硕士
【学位授予年份】:2013
【分类号】:TU822.1
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