选煤用旋流器分离性能及参数匹配分析  

Analysis of Separation Performance and Parameter Matching of Swirler for Coal Preparation

作　　者：张垚 Zhang Yao(Tiandi(Tangshan)Mining Industry Science and Technology Co.,Ltd.,Hebei Tangshan 063012;Hebei Province Coal Washing and Selection Engineering Technology Research Center,Hebei Tangshan 063012;China Coal Science and Engineering Group Tangshan Research Co.,Ltd.,Hebei Tangshan 063012)

机构地区：[1]天地(唐山)矿业科技有限公司,河北唐山063012 [2]河北省煤炭洗选工程技术研究中心,河北唐山063012 [3]中煤科工集团唐山研究有限公司,河北唐山063012

出　　处：《山东煤炭科技》2024年第8期116-121,共6页Shandong Coal Science and Technology

摘　　要：针对旋流器在选煤工作中的分离性能及其参数匹配问题,基于FX350型旋流器,对FX350型旋流器的结构组成和工作原理分析,研究其内部流场的速度和压力分布,揭示旋流器内不同流场形态对分离效率的影响,采用实验和模拟分析方法,探讨旋流器直径、锥体角度、入口尺寸等结构参数对分离效率的显著影响,发现入料浓度、入料流量、安装角度等运行参数的调节对提高分离效率至关重要。通过调整入料浓度至14g/L、入料流量至80m3/h、安装角度至80°,旋流器表现出最佳的分离性能,采用响应面法进行参数匹配分析,构建的数学模型通过方差分析和误差统计验证,表现出高度的预测准确性。现场验证表明,通过精准控制操作参数,可以提升旋流器的分离效率。Aiming at the separation performance and its parameter matching issues of the swirler in coal selection work,based on the FX350 type swirler,the structural composition and working principle of the FX350 type swirler are analyzed,and the velocity and pressure distribution of its internal flow field are studied.The influence of different flow field morphologies in the swirler on separation efficiency is revealed.Experimental and simulation analysis methods are used to explore the significant effects of structural parameters such as swirler diameter,cone angle,inlet size and others on separation efficiency.It is found that adjusting operating parameters such as feed concentration,feed flow rate,installation angle and others is crucial to improve separation efficiency.By adjusting the feed concentration to 14 g/L,feed flow rate to 80 m3/h,and installation angle to 80°,the swirler exhibits the best separation performance.Response surface methodology is used for parameter matching analysis,and the constructed mathematical model is validated by variance analysis and error statistics,demonstrating a high degree of predictive accuracy.The on-site verification shows that by precisely controlling operating parameters,the separation efficiency of the swirler can be improved.

关 键 词：选煤工作 旋流器 分离性能 参数匹配 

分 类 号：TD94[矿业工程—选矿]