基于价值工程的妈湾电厂脱硝项目方案选择评价研究

发布时间：2017-12-27 14:37

本文关键词：基于价值工程的妈湾电厂脱硝项目方案选择评价研究　出处：《深圳大学》2017年硕士论文　论文类型：学位论文

【摘要】：近年来,随着国民物质文化生活水平不断提高,我国居民对于环保问题越来越重视,对于自身居住环境的要求也是越来越高,环境污染也逐渐成为人们越来越关心的一个社会问题。环境污染的一个重要分项便是大气污染,在人们的印象中,火电厂高高的烟囱便是引起大气污染的一个主要污染源。事实也是如此,火电厂在燃煤或燃气发电后会产生大量的废气,其中便包括了氮氧化物。控制氮氧化物的排放是现阶段我国一项重要的环保政策,烟气脱硝便是实现该目标的一个重要工具。随着国内越来越多的火电厂加入到脱硝的队伍中,如何科学有效的进行脱硝方案选择,便成为各火力电厂需要认真考虑的一个问题。本文由价值工程入手,通过对妈湾电厂脱硝方案选择过程进行实例研究,希望能给电厂脱硝方案选择提供一种有所助益的解决手段。本文首先介绍了价值工程相关理论及其发展,以妈湾电厂脱硝项目为例,详细介绍了应用价值工程对妈湾电厂脱硝方案进行选择的全过程。在整个妈湾电厂脱硝项目的不同阶段中都运用了价值工程的理念进行选优。在前期脱硝方案选择阶段,通过对各脱硝方案脱硝效率、环境保护、对原设备的影响、技术性能方面进行详细的功能分析,得出功能系数,然后估算出各个脱硝方案的全寿命周期成本,最后计算出价值系数选出最符合妈湾电厂的生产实际的脱硝方案;在脱硝总体方案这个大方向确定后,再运用价值工程对妈湾电厂脱硝项目的还原剂进行选择,计算出三种还原剂的功能系数、成本系数、价值系数,选择最恰当的还原剂方案。然后通过理论联系实际,具体分析每一阶段的选择结果是否合理。最后得出结论,证明了价值工程也完全可以应用在脱硝方案的选择上。本文采用理论和实际相结合、定性分析与定量计算同步应用的方法,证实了价值工程是应用于脱硝方案选择的一种行之有效的方法,因此,本文的研究拓宽了价值工程的应用范围,同时也为我国同类型燃煤发电厂脱硝项目方案选择提供一定的理论依据和方法的参考。
[Abstract]:In recent years, with the continuous improvement of the material and cultural life level of the nation, the residents in China pay more and more attention to environmental protection, and the demand for their living environment is also increasing. Environmental pollution has gradually become a social problem of increasing concern. An important part of environmental pollution is atmospheric pollution. In the impression of people, the high chimney of thermal power plants is a major source of pollution in the atmosphere. As a matter of fact, thermal power plants produce a large amount of waste gas after coal or gas generation, including nitrogen oxides. To control the emission of nitrogen oxides is an important environmental policy in China at the present stage, and the flue gas denitrification is an important tool to achieve this goal. With more and more thermal power plants joining the denitration team in China, how to choose the denitrification plan scientifically and effectively has become a serious problem for all thermal power plants. Starting from the value engineering, this paper studies the selection process of denitration scheme in mwan power plant, hoping to provide a useful solution for the selection of denitrification project in power plant. This paper first introduces the theory and development of value engineering. Taking the denitration project of Mawan Power Plant as an example, it introduces the whole process of the application value engineering to choose the denitration plan of Mawan Power Plant in detail. In the different stages of the denitrification project of the whole Ma Wan power plant, the idea of value engineering is used to select the best. Denitration scheme selection in the early stages, the scheme of denitration denitration efficiency and environmental protection, the impact on the original equipment technical performance are analyzed, the function coefficient, and then estimate the life cycle cost of the denitration project, and finally calculate the nitrate removal scheme best fits the value coefficient Mawan Power Plant actual production; to determine the overall scheme of the denitrification in the direction, and then use the value engineering of Mawan Power Plant denitration reducing agent project selection, calculate three kinds of function coefficient, reducing agent cost coefficient, value coefficient, reducing agent scheme to choose the most appropriate. Then through the theory of connection with the reality, the specific analysis of each stage of the selection results is reasonable. Finally, the conclusion is drawn that the value engineering can also be applied to the selection of the denitrification scheme. This method of qualitative analysis and quantitative calculation of synchronous application of combination of theory and practice, and that the value engineering is applied to a kind of effective method, choose the denitration scheme so this study broadens the scope of application of the value engineering, providing the theoretical basis and methods of the choice of reference and denitration project for the same type of coal-fired power plants in China program.
【学位授予单位】：深圳大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：X773;F426.61

【相似文献】