流化床直接氮化硅粉技术的研究现状及发展方向  

Development and research status of preparation of silicon nitride powder by direction nitridation of silicon in fluidized bed

作　　者：杨春[1] 

机构地区：[1]浙江大学能源清洁利用国家重点实验室,浙江杭州310027

出　　处：《能源工程》2015年第2期21-26,30,共7页Energy Engineering

基　　金：国家自然科学基金资助项目(50676084)

摘　　要：以硅氮反应机理为出发点,从流化床结构设计、原料选取、反应气氛和反应温度控制等四个方面介绍了现有流化床直接氮化硅粉技术的研究现状;同时,基于对现有方法的分析,提出了该技术目前存在的主要问题,并预测了今后的发展方向。The present state in research and development of the preparation of silicon nitride powder by direction nitridation of silicon in fluidized bed（ FB） was reviewed. Researches and investigations of effect of reaction mechanism,FB structure,material size,reaction gas component and reaction temperature on product were summaried. Some problems and potential trends in development were put forward.

关 键 词：流化床 直接氮化 氮化硅粉 现状 发展方向 

分 类 号：TQ037[化学工程]