采用光学波动方法测量90°弯头后的煤粉浓度分布  

MEASUREMENT OF PULVERIZED COAL CONCENTRATION DISTRIBUTION AFTER A 90° ELBOW BY USING OPTICAL WAVE METHOD

作　　者：郑立刚[1] 周昊[1] 杜黎龙[1] 岑可法[1] 

机构地区：[1]浙江大学,浙江杭州310027

出　　处：《热力发电》2004年第2期27-29,58,共4页Thermal Power Generation

基　　金：国家自然科学基金资助项目( 50 2 0 6 0 1 8);国家重点基础研究发展规划项目(G 2 0 0 1CB4 0 96 0 0 ;G1 9990 2 2 2 0 4 )

摘　　要：阐述了光学波动法测量颗粒浓度的原理 ,并利用该方法在试验台上对管内煤粉浓度分布进行了测量研究 ,得出浓度分布规律。同时 ,分析了弯头对煤粉浓度测量的影响。The principle of measuring particles concentration by using optical wave method has been expounded, and a measurement study on the distribution of pulverized coal concentration in a pipeline being performed by using the said method on a test stand, obtaining the regularity of concentration distribution. At the same time, the influence of elbow upon the concentration distribution measurement in the pipeline has been analysed, having guide significance for measuring the concentration of pulverized coal in pipelines of utility boilers.

关 键 词：电站 锅炉 煤粉浓度 测量 光学波动方法 数学模型 

分 类 号：TM621.2[电气工程—电力系统及自动化]