增压流化床燃烧用水煤膏的雾化性能  

Atomizing Characteristics of Coal-Water Paste for PFBC

作　　者：卢平[1] 章名耀[1] 

机构地区：[1]东南大学洁净煤燃烧与发电技术教育部重点实验室

出　　处：《燃烧科学与技术》2004年第1期37-41,共5页Journal of Combustion Science and Technology

基　　金：国家重点基础研究开发规划资助项目(G19990220531).

摘　　要：根据水煤膏的特点,设计了几种不同结构的雾化喷嘴,采用PIV仪和二次开发的图像处理软件,研究了不同参数下水煤膏的雾化性能,分析了诸因素对水煤膏雾化性能的影响,得出了可供工程应用的喷嘴设计和操作参数.结果表明,当雾化气膏比大于0.6时,雾化颗粒平均粒径降低的幅度很小.According to the properties of coal-water paste (CWP), several types of atomizing nozzle were developed and the analysis of the atomizing properties of coal-water paste was carried out for different operation parameters by PIV measurement and newly developed image-processing software. Based on the experimental results, the effects of a number of factors on the atomizing properties were analyzed. A proper type of nozzle and optimal parameters for engineering is obtained. When Mg/MCWP>0.6, the degree of the decrease of d50 value is very small.

关 键 词：水煤膏 雾化喷嘴 雾化性能 增压流化床 燃烧 

分 类 号：TQ534[化学工程—煤化学工程]