[1]方旭东,王雨舟,包汉生,等.超超临界锅炉烟气环境中S31042、S31035、C-HRA-5奥氏体耐热钢热腐蚀行为研究[J].热力发电,2023,52(01):111-122.[doi:10.19666/j.rlfd.202205105]
　FANG Xudong,WANG Yuzhou,BAO Hansheng,et al.Hot corrosion behaviors of austenitic heat-resistant steels S31042, S31035, and C-HRA-5 in flue gas environment of ultra-supercritical coal-fired boilers[J].Thermal Power Generation,2023,52(01):111-122.[doi:10.19666/j.rlfd.202205105]
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超超临界锅炉烟气环境中S31042、S31035、C-HRA-5奥氏体耐热钢热腐蚀行为研究

《热力发电》[ISSN:1002-3364/CN:61-1111/TM] 卷: 52 期数: 2023年01期 页码: 111-122 栏目: 发电技术论坛 出版日期: 2023-01-08
Title:
Hot corrosion behaviors of austenitic heat-resistant steels S31042, S31035, and C-HRA-5 in flue gas environment of ultra-supercritical coal-fired boilers
作者:
方旭东1; 2; 王雨舟3; 包汉生4; 张乃强3; 潘佩媛3
1.太原钢铁（集团）有限公司先进不锈钢材料国家重点实验室，山西 太原 030003； 2.山西太钢不锈钢股份有限公司技术中心，山西 太原 030003； 3.华北电力大学能源动力与机械工程学院，北京 100026； 4.钢铁研究总院特殊钢铁研究所，北京 100081
Author(s):
FANG Xudong1; 2;  WANG Yuzhou3;  BAO Hansheng4;  ZHANG Naiqiang3;  PAN Peiyuan3
1. State Key Laboratory of Advanced Stainless Steel Materials, Taiyuan Iron and Steel (Group) Co., Ltd., Taiyuan 030003, China; 2. Technology Center, Shanxi Taiyuan Stainless Steel Co., Ltd., Taiyuan 030003, China; 3. School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 100026, China; 4. Institute for Special Steels, Central Iron and Steel Research Institute, Beijing 100081, China
关键词:
超超临界锅炉; 奥氏体钢; 燃煤电站; 高温腐蚀; 热腐蚀
DOI:
10.19666/j.rlfd.202205105
摘要:
为研究超超临界锅炉过热器候选材料在高温烟气环境下的腐蚀行为，开展了3种奥氏体耐热钢S31042、S31035、C-HRA-5暴露于实验室模拟燃煤锅炉烟气中的热腐蚀试验。试验包括650、675、700、725 ℃ 4个温度，试样表面有无涂覆、涂覆真实煤灰、涂覆腐蚀性模拟煤灰3种工况，试验时长为500 h。通过试验研究获得了3种材料的腐蚀动力学曲线，采用XRD、SEM和EDS对材料的腐蚀行为进行了分析，并对比了3种材料的耐腐蚀性能。结果表明：在无涂覆和涂覆真实煤灰工况下，3种材料均表现出优秀的抗氧化和腐蚀能力；在涂覆腐蚀性模拟煤灰工况下，材料腐蚀加剧，腐蚀产物分层；不同表面工况下温度的影响有所不同；S31042材料的耐腐蚀性能最强，S31035和C-HRA-5材料相当。

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（责任编辑 邓玲惠）

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备注/Memo

方旭东（1975），男，硕士，正高级工程师，主要研究方向为超超临界电站锅炉用不锈钢管坯及无缝管开发及应用，fangxd@tisco.com.cn。

更新日期/Last Update: 2023-01-15