600MW亚临界机组节能降耗改造研究

发布时间：2018-07-26 20:18

【摘要】：在2013年8月11日国务院发布的《关于加快发展节能降耗产业意见》中指出:资源环境制约是当前我国经济社会发展面临的突出矛盾。解决节能降耗问题,是扩内需、稳增长、调结构,打造中国经济升级版的一项重要而紧迫的任务。能源是社会发展进程中重要的物质基础,是国家经济的命脉。我国是以燃煤火力发电为主要电力来源的能源结构,因此,提升燃煤机组的能效水平,实现节能降耗,已成为我国电力工业面临的巨大挑战。本文以《全面实施燃煤电厂超低排放和节能改造工作方案》为研究背景,围绕600MW亚临界机组的节能改造展开研究。本文的主要研究工作包括:首先介绍A电厂600MW亚临界机组的情况,分析亚临界机组节能降耗改造项目的必要性以及节能降耗改造的目标和技术路线。然后根据实际情况从汽轮机、热力系统、锅炉本体、锅炉辅助系统、发电机、电气配套系统等几个方面提出对应的改造方案。最后从节能效益、节煤收益、增容效益、节煤财政奖励收益四个方面进行节能效益与经济分析,以及从经济影响、社会影响和环境影响三方面进行影响分析。本文的研究旨在帮助发电企业管理人员实时掌握机组能效的动态信息,指导相关人员对机组运行参数做出合理的调整,优化机组性能,充分挖掘燃煤发电机组的节能潜力,提升发电企业能效水平,为企业带来可观的经济效益。
[Abstract]:In the opinion on accelerating the Development of Energy Saving and consumption reduction Industry issued by the State Council on August 11, 2013, it is pointed out that the restriction of resources and environment is a prominent contradiction facing the economic and social development of our country at present. To solve the problem of energy saving and consumption reduction is an important and urgent task to expand domestic demand, stabilize growth, adjust structure and build an upgraded version of China's economy. Energy is an important material basis in the process of social development and the lifeblood of the national economy. China is an energy source with coal-fired thermal power generation as the main source of power. Therefore, improving the energy efficiency level of coal-fired units and achieving energy saving and consumption reduction has become a great challenge facing our power industry. In this paper, based on the "implementation of ultra-low emission and energy-saving retrofit scheme for coal-fired power plants", the research is carried out around the energy-saving transformation of 600MW subcritical units. The main research work of this paper is as follows: firstly, the situation of 600MW subcritical unit in A power plant is introduced, and the necessity of energy saving and consumption reduction reform project of sub-critical unit is analyzed, as well as the goal and technical route of energy saving and consumption reduction transformation. Then according to the actual situation from the steam turbine, thermal system, boiler body, boiler auxiliary system, generator, electrical supporting system and other aspects of the corresponding transformation plan. Finally, the energy saving benefit and economic analysis are carried out from four aspects: energy saving benefit, coal saving benefit, capacity increasing benefit and coal saving financial reward income, as well as the impact analysis from three aspects: economic impact, social impact and environmental impact. The purpose of this paper is to help the managers of power generation enterprises to grasp the dynamic information of unit energy efficiency in real time, to guide the relevant personnel to make reasonable adjustment of unit operating parameters, to optimize unit performance, and to fully tap the energy saving potential of coal-fired generating units. Raising the level of energy efficiency in power generation enterprises will bring considerable economic benefits to enterprises.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：F426.61;F206

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