中国超超临界汽轮机转子耐热材料及锻件研制进展

doi:10.13228/j.boyuan.issn1006-9356.20230605

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摘要转子是超超临界汽轮机的重要部件,转子材料及锻件的发展是支撑超超临界汽轮机及电站技术进步的基础。随着超超临界机组蒸汽温度从620 ℃提高至630 ℃,甚至未来到650 ℃和700 ℃,汽轮机高中压转子耐热材料及锻件的制造将是要面临的主要挑战之一。综述了中国超超临界汽轮机高中压转子耐热材料的发展历程、设计思路及研制进展,重点介绍了中国630~700 ℃超超临界汽轮机高中压转子系列自主研制的耐热材料C630R、C650R、C700R及其锻件研制的最新进展,并展望了高中压转子锻件的未来研究和发展重点,以期助力加速中国超超临界汽轮机的完全自主化进程。

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	何西扣
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	聂义宏
	沈国劬

关键词 ：超超临界, 汽轮机, 转子锻件, 耐热钢, 镍基合金

Abstract：The rotor is the most important component of ultra-supercritical steam turbines. The development of rotor materials and forgings are crucial for the improvement of ultra-supercritical turbines and coal-fired units technology. With the steam temperature for ultra-supercritical units increasing from 620 ℃ to 630 ℃, and even to 650 ℃ and 700 ℃ in the future, research of heat-resistant materials and forgings for high-medium pressure rotors of steam turbines will be one important challenges. The development history, alloy design methods and status of heat-resistant materials for ultra-supercritical steam turbine rotors are summarized. Meanwhile, the latest research progress of independent developed heat-resistant materials C630R, C650R, C700R and their forgings for high-medium pressure rotors of 630-700 ℃ ultra-supercritical steam turbine is mainly introduced. Finally, some future research emphases are proposed in order to promote the completely autonomous process of ultra-supercritical steam turbine in China.

Key words： ultra-supercritical steam turbine rotor forging heat-resistant steel nickel based alloy

收稿日期: 2023-10-11

基金资助:国家重点研发计划资助项目(2021YFB3704100,2021YFB3704101,2021YFB3704102);四川省软科学研究计划项目(2021JDR0392)

作者简介: 何西扣(1985—), 男, 博士, 正高级工程师; E-mail: he_xikou@163.com

引用本文:

何西扣, 刘正东, 王天剑, 彭建强, 聂义宏, 沈国劬. 中国超超临界汽轮机转子耐热材料及锻件研制进展[J]. 中国冶金, 2023, 33(12): 1-11. HE Xikou, LIU Zhengdong, WANG Tianjian, PENG Jianqiang, NIE Yihong, SHEN Guoqu. Development progress of heat-resistant materials and forgings for ultra-supercritical steam turbine rotor in China[J]. China Metallurgy, 2023, 33(12): 1-11.

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http://www.zgyj.ac.cn/CN/10.13228/j.boyuan.issn1006-9356.20230605 或 http://www.zgyj.ac.cn/CN/Y2023/V33/I12/1

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