姜超,董鹤鸣,谢敏,白文刚,苏宏亮,王硕,王婷,杜谦,高建民

• 1:哈尔滨工业大学能源科学与工程学院
• 2:哈尔滨工业大学化工与化学学院
• 3:哈电发电设备国家工程研究中心有限公司
• 4:西安热工研究院有限公司

摘要(Abstract)：

超临界二氧化碳(S-CO_2)循环发电技术是最具应用前景的先进动力循环之一,是助力我国实现"碳达峰、碳中和"目标、构建清洁低碳、高效灵活的能源体系的重要攻关技术。工质品质是贯穿发电机组设计分析、运行调整等环节的关键问题,深刻影响发电机组的运行安全与经济效益。由于S-CO_2循环发电技术采取了全新工质,工质品质规范亟需重新建立。本文分析了S-CO_2工质品质规范化所需考虑的问题,包括杂质种类、对工质物性、循环效率、材料性能及安全性的影响等,总结了可供参考的工业规范及研究成果。结果表明:杂质种类应结合CO_2的不同来源确定;工业上相关领域具有较充分的成熟经验可供参考;现有研究成果尚不足以成为工质品质规范化的依据,主要问题包括涉及的杂质种类有限、多数研究涉及的工作条件较局限(温度、压力、金属选材等)、混合杂质的研究较少、部分杂质缺乏含量的针对性研究、部分杂质的影响仍存在争议等。针对以上问题,对后续工作提出了建议,以期为S-CO_2工质品质规范化提供参考,促进S-CO_2循环发电技术的规范健康发展。

关键词(KeyWords)： 超临界二氧化碳;工质品质;规范化;杂质;循环效率;材料性能;安全性

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2020YFF0218103)~~

作者(Author): 姜超,董鹤鸣,谢敏,白文刚,苏宏亮,王硕,王婷,杜谦,高建民

DOI: 10.19666/j.rlfd.202109160

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