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面向碳中和的工业尾气电厂技术综述及其典型案例经济性分析
牟晨璐1, 丁涛1, 周郑洋1, 徐亮2, 董晓亮2, 汤洪海2
1.西安交通大学 电气工程学院 电力设备电气绝缘国家重点实验室,陕西 西安 710049;2.北京电力交易中心,北京 100031
摘要:
实现碳达峰和碳中和的“双碳”目标是国家的重大战略。工业尾气排放是温室气体的主要来源,控制工业尾气碳排放是碳减排工作的关键,探究碳中和背景下利用工业尾气发电实现碳减排的问题,具有重大现实意义。首先概述了尾气电厂的基本原理,以3种典型工业尾气为例,介绍尾气的组成成分和经尾气发电后污染物的变化情况,并介绍了尾气发电技术的基本原理;其次综述了尾气电厂技术方案,分析尾气发电的改造技术和难点,进而对尾气电厂技术方案的优缺点、应用场景、改造技术进行分析和比较,并对尾气电厂技术发展和研究现状进行综述;然后介绍了尾气电厂的典型案例及其效益,从单位造价角度对其进行经济性分析;最后结合我国尾气电厂发展现状,对未来尾气电厂的发展进行了展望,从技术、参与新能源消纳、并网影响、运营模式和政策完善等方面进行了探讨。
关键词:  工业尾气电厂  尾气特性  发电技术类型  经济性分析  碳中和
DOI:10.16081/j.epae.202109034
分类号:TM71;X701
基金项目:国家电网公司总部科技项目(电力市场服务新能源多目标要求的量化分析技术及应用研究)(1400-202135232A-0-0-00)
Technology review on industrial off-gas power plants for carbon neutral and economic analysis of typical cases
MU Chenlu1, DING Tao1, ZHOU Zhengyang1, XU Liang2, DONG Xiaoliang2, TANG Honghai2
1.State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China;2.Beijing Power Exchange Center, Beijing 100031, China
Abstract:
Achieving the dual goals of carbon peak and carbon neutral is an important strategy of China. Industrial off-gas emission is one of the main greenhouse gas emissions, and industrial off-gas carbon emission control is the key to reduce carbon emissions. Exploring the problem of achieving carbon emission reduction by using industrial off-gas to generate electricity has immense practical significance under the background of carbon neutral. Firstly, the fundamental principle of the off-gas power plant is briefly summarized. Taking three typical types of industrial off-gas as examples, the composition of off-gas and the change of pollutants after off-gas power generation are introduced. The basic principles of off-gas power generation technology are also introduced. Secondly, the technical solutions of off-gas power plants are summarized, and technology transformations and difficulties of off-gas power generation are analyzed. Furthermore, the advantages, disadvantages, applications and technology transformations of off-gas power generation schemes are analyzed and compared. The development and research status of off-gas power plant technology are reviewed. Thirdly, the typical cases and their benefits are introduced, and their economic analysis of off-gas power plants from the perspective of the unit cost are conducted. Finally, combined with the current practice of off-gas power plants in China, the future development of off-gas power plant is summarized, and the technology, participation in new energy accommodation, influence of grid connection, operation mode, and improvement in policy are discussed.
Key words:  industrial off-gas power plant  off-gas characteristic  power generation technologies  economic analysis  carbon neutral

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