硅铝添加剂对生物质锅炉受热面积灰腐蚀抑制作用探讨
Study on the Effect of Si-Al Additive on Corrosion Related to Ash Deposition to Heating Surface in Biomass-Fired Boiler
DOI: 10.12677/AEPE.2020.82006, PDF,  被引量    科研立项经费支持
作者: 李云罡, 王永征*, 孙 宇：山东大学能源与动力工程学院，山东 济南
关键词: 生物质燃烧；锅炉受热面；添加剂；积灰；腐蚀；Biomass Combustion； Boiler Heating Surface； Additive； Deposition； Corrosion
摘要: 本文研究了含硅、铝添加剂对生物质锅炉受热面积灰腐蚀的影响及其机理，分析了影响添加剂作用效果的主要因素，并探讨了含硅、铝添加剂中Si和Al的最佳比例。研究表明，添加剂中的Al、Si在燃烧中与碱金属元素和氯元素发生化学反应，生成高熔点的化合物，减少了灰中腐蚀成分的含量，从而抑制了生物质的积灰和腐蚀；当添加剂中Si/Al为1，或者Ca:A1:Si的摩尔比为1:2:1时，添加剂对腐蚀的抑制效果最佳。
Abstract: This paper mainly discusses the effects and reaction mechanism of Al and Si additives on corrosion related to ash deposition to heating surface in biomass-fired boiler, analyzes the main factors affecting the effect of additives, and discusses the best proportion of Si and Al in additives. The results show that Al and Si in additives react with alkali metal and chlorine in combustion to produce compounds with high melting point, reduce the content of corrosive components in ash, and inhibit the corrosion during biomass combustion. When the Si/Al in the additive is 1, or the Ca:A1:Si molar ratio is 1:2:1, the additive has the best effect.
文章引用：李云罡, 王永征, 孙宇. 硅铝添加剂对生物质锅炉受热面积灰腐蚀抑制作用探讨[J]. 电力与能源进展, 2020, 8(2): 48-55. https://doi.org/10.12677/AEPE.2020.82006

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