烟气余热回收与储能技术耦合应用的可行性研究

doi:10.3969/j.issn.1674-1951.2021.09.008

华电技术 ›› 2021, Vol. 43 ›› Issue (9): 62-68.doi: 10.3969/j.issn.1674-1951.2021.09.008

烟气余热回收与储能技术耦合应用的可行性研究

郭璞维¹, 彭跃², 邓靖敏³, 李兵发³, 周兴³, 胡鋆³, 郭海强³, 王金星⁴^,^*()

1.三河发电有限责任公司,河北廊坊 065201
2.沈阳工程学院研究生部,沈阳 110136
3.河北师范大学中燃工学院,石家庄 050024
4.华北电力大学能源动力与机械工程学院,北京 102206

收稿日期:2021-05-17 修回日期:2021-06-09 出版日期:2021-09-25 发布日期:2021-09-23
通讯作者: 王金星
作者简介:郭璞维（1980—）,男,内蒙古达拉特旗人,工程师,从事燃煤机组烟气余热利用方案设计与研究工作。
彭跃（1995—）,男,内蒙古通辽人,在读硕士研究生,从事循环流化床锅炉换热器设计与研究工作。
邓靖敏（2000—）,女,广东佛山人,从事压缩空气储能运行优化方面的研究工作。
李兵发（2000—）,男,河北邯郸人,从事压缩空气储能运行优化方面的研究工作。
周兴（1987—）,男,河北石家庄人,讲师,博士,从事煤、生物质制氢技术方面的研究工作。
胡鋆（2002—）,男,浙江杭州人,从事耦合储能装置变工况方面的研究工作。
郭海强（2001—）,男,河北邢台人,从事烟气余能回收利用方面的研究工作。
基金资助:
河北省自然科学基金项目(E2020502007);河北省高等学校科学技术研究项目(QN2021090)

Feasibility study on the coupling application of flue gas waste heat recovery and energy storage technology

GUO Puwei¹, PENG Yue², DENG Jingmin³, LI Bingfa³, ZHOU Xing³, HU Yun³, GUO Haiqiang³, WANG Jinxing⁴^,^*()

1. Sanhe Power Generation Company Limited,Langfang 065201,China
2. Shenyang Institute of Engineering Graduate Faculty,Shenyang 110136,China
3. College of Zhongran,Hebei Normal University,Shijiazhuang 050024,China
4. School of Energy,Power and Mechanical Engineering,North China Electric Power University,Beijing 102206,China

Received:2021-05-17 Revised:2021-06-09 Online:2021-09-25 Published:2021-09-23
Contact: WANG Jinxing

摘要/Abstract

摘要：

为实现碳中和目标,需要不断提高能源的利用效率。烟气余热回收是现有燃煤发电机组节能提效改造的重要方式之一。同时,储能技术在跨时空调节“源-荷”间匹配性方面展现出了一定的应用前景。介绍了变工况下烟气余热回收（350~400 ℃）、低温省煤器-暖风器联合运行（122~160 ℃）和直膨式热泵型烟气余热回收（77~180 ℃）3种烟气余热回收技术,以及压缩空气储能（200~400 ℃）、液体空气储能（-200 ℃）和热能存储（90~200 ℃）3种储能技术。结合烟气余热回收和储能技术的温度匹配性,提出烟气余热回收分别与压缩空气储能、热能存储技术耦合的潜在能源利用形式,探讨了其运行性能,为后续烟气余热高效回收及提高机组灵活性参数设计提供理论参考。

关键词: 烟气余热回收, 储能技术, 压缩空气储能, 热能存储, 空气预热器, 碳中和, 热泵

Abstract:

To achieve carbon neutrality,we must boost energy efficiency.Flue gas waste heat recovery is an important way to save energy and improve efficiencies of existing coal-fired units.At the same time,energy storage technology is of application prospect for being able to match“source-load”across time and space.Three flue gas waste heat recovery technologies,flue gas waste heat recovery under variable working conditions（350~400 ℃）,combined operation of low-temperature economizers and heaters（122~160 ℃）and flue gas waste heat recovery with direct expansion heat pumps（77~180 ℃）,are introduced,and so do the three energy storage technologies,compressed air energy storage （200~400 ℃）,liquid air energy storage（-200 ℃）and thermal energy storage（90~200 ℃）.Considering the matching of temperatures for flue gas waste heat recovery and energy storage technologies,the potential energy utilization forms of flue gas waste heat recovery technologies coupled with compressed air energy storage and thermal energy storage technology are proposed,and their operation performances are discussed.They provide theoretical references for efficient flue gas waste heat recovery and parameter design to improve unit flexibility.

Key words: flue gas waste heat recovery, energy storage technology, compressed air energy storage, thermal energy storage, air preheater, carbon neutrality, heat pump

中图分类号:

TK09：X783

郭璞维, 彭跃, 邓靖敏, 李兵发, 周兴, 胡鋆, 郭海强, 王金星. 烟气余热回收与储能技术耦合应用的可行性研究[J]. 华电技术, 2021, 43(9): 62-68.

GUO Puwei, PENG Yue, DENG Jingmin, LI Bingfa, ZHOU Xing, HU Yun, GUO Haiqiang, WANG Jinxing. Feasibility study on the coupling application of flue gas waste heat recovery and energy storage technology[J]. Huadian Technology, 2021, 43(9): 62-68.

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烟气余热回收与储能技术耦合应用的可行性研究

Feasibility study on the coupling application of flue gas waste heat recovery and energy storage technology

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