煤粉流量测量技术及应用

对于干煤粉气化工艺的密相输送系统来说,煤粉质量流量的测量非常重要。介绍几种当前常用或较为热门的气固两相流固体质量流量测量方法,使用密度速度测量技术对国内某大型煤化工气化工艺中密度速度测量应用方法进行分析,给出系统的密度计、速度计及二次仪表选型和测试方法,最后对系统中的测量数据进行分析,确定该方法的优越性。

Technology and Application of Coal Powder Flowrate Measurement

In the danse phase conveying system of the dry coal powder gasification technology,the pulverized coal flowrate measurement is very important.The common measurement techniques of solid mass flowrate for gas-solid two phase flow are introduced.The density-velocity measurement technique used in a large domestic coal gasification process is detailed analyzed,and the test and selection mehtods for the density meter and correlation/integrator are presented.Then through analysis of the measuring data of system an...