库尔特Multisizer3型粒度仪噪声水平研究  

Research on Noise Level of Coulter Multisizer 3 Particle Size Meter

作　　者：江发伟 张志亮[1] 程宏飞[1] 刘钦甫[1] 

机构地区：[1]中国矿业大学(北京)地球科学与测绘工程学院,北京100083

出　　处：《中国粉体技术》2016年第2期86-88,共3页China Powder Science and Technology

基　　金：国家自然科学基金重点项目;编号:51034006;北京市支持中央在京高校共建项目;编号:20121141301

摘　　要：以电解液NaCl浓度、增益、电流为因素,以仪器的噪声水平为实验指标设计正交实验,运用SPSS17.0数理统计软件对实验进行极差分析、方差分析,并绘制因素-指标趋势图。结果表明:通过方差分析得出增益和电流对噪声水平影响显著,NaCl浓度对噪声水平影响不显著,显著性由大到小的因素顺序为电流、增益、NaCl浓度;根据极差分析和趋势图,控制库尔特Multisizer3型粒度仪噪声水平的最佳条件是电解液NaCl浓度(质量分数)为4%,增益设置为32,电流设置为-800μA;根据最佳条件,噪声水平可减至0.404μm。Taking the concentration of NaCl electrolyte, gain and current as experimental factors and the noise level as an experimental indicator,an orthogonal experiment was designed. By employing the mathematical statistical software SPSS17.0, the range analysis and variance analysis were conducted on the experiment and tendency charts about factors and indicators were drawn. The results show that the current and gain have significantly effect on noise level, and the effect of the NaCl concentration on noise level is not significant. The order of factors according to their significance from great to small is current, gain, NaCl concentration.According to the range analysis and tendency chart, the optimum conditions to control noise level of Coulter Multisizer 3 particle size meter are as follows. The concentration of electrolyte NaCl is 4%, the gain is set to 32, the current is set to-800 μA. Based on the optimal conditions, the noise level can be reduced to 0.404 μm.

关 键 词：粒度仪 噪声水平 正交设计 SPSS软件 

分 类 号：TH724[机械工程—仪器科学与技术]