中国电机工程学报Issue(26)：4515-4520,6.DOI:10.13334/j.0258-8013.pcsee.2014.26.010
床料对生物质流化床燃烧黏结特性的影响
The Influence of Bed Materials on Agglomeration Characteristic During Fluidized-bed Combustion of Bio-fuels
摘要
Abstract
The agglomeration characteristics during combustion of wheat stalk pellet with two kinds of bed materials including fluidized bed coal slag and coal gangue ash were investigated in a bench scale bubbling fluidized bed. The results indicate that compared with silica sands, both bed materials can prevent the agglomeration phenomenon at 900℃. Combining the data from scanning electron microscopy (SEM) and energy dispersive X-ray(EDX)and the result of phase equilibrium calculations, the control mechanisms of two kinds of bed materials are similar. The higher content of S and Al in fluidized bed coal slag and coal gangue ash can react with K in wheat stalk during fluidized bed combustion, the resultants have higher melting points which are conducive to prevent the agglomeration phenomenon. In addition, the higher content of Mg and Ca in coal gangue ash and fluidized bed coal slag can improve the melting point of the agglomerates.关键词
生物质/流化床/黏结/床料/控制Key words
bio-fuels/fluidized bed/agglomeration/bed materials/prevention分类
能源科技引用本文复制引用
尚琳琳,李诗媛,吕清刚..床料对生物质流化床燃烧黏结特性的影响[J].中国电机工程学报,2014,(26):4515-4520,6.基金项目
国家自然科学基金项目(50706055)。 （50706055）
