摘要
W型火焰锅炉运行过程中存在炉膛水动力安全和腐蚀性的问题,针对以上技术难点,以某660MW超超临界W型火焰锅炉为研究对象,从提高抗腐蚀能力方面对其进行研究,提出了相关防腐蚀措施以保证机组的稳定运行。结果表明,在不同温度及SO2浓度下,随着温度升高和SO2浓度增高,Super304、TP310和TP347三种不锈钢材料的腐蚀速度均加快。合理布置燃烧器和受热面位置,并对易腐蚀部件采用喷涂技术等措施可以有效防止高温腐蚀。研究结论可为660MW超超临界W型火焰锅炉的工程应用提供技术指导。
The hydrodynamic safety and corrosivity problems in the furnace affect the operation of W-flame boiler.To improve these problems,taking a 660 MW ultra-supercritical W-flame boiler as the subject,the anti-corrosion measures was proposed to improve the corrosion resistance of the boiler and ensure the operation safety and stability of the unit.The results show that under different temperature and SO2 concentrations,with the increase in temperature and SO2 concentrations,the corrosion rates of Super304,TP310 and TP347 stainless steel materials are accelerated.In addition,the proper arrangement of combustor and heating surface,and the application of spraying on corrosive parts can effectively prevent high-temperature corrosion.The research can provide technical guidance for the engineering application of 660MW ultra-supercritical W-flame boiler.
作者
王妮妮
杨靖
张斌
赵佰波
WANG Nini;YANG Jing;ZHANG Bin;ZHAO Baibo(Shandong Electric Power Engineering Consulting Institue Corp.LTD.,Jinan 250013,china)
出处
《能源工程》
2023年第4期80-85,共6页
Energy Engineering
关键词
W型火焰锅炉
腐蚀特性
防腐蚀措施
受热面材料
W-flame boiler
corrosion performance
anti-corrosion measures
material of heating surface
