涡旋气动雾幕控尘装置的研发与模拟分析Development and simulation analysis of scroll pneumatic dust control device
荆德吉;任帅帅;葛少成;孟祥曦;马明星;
摘要(Abstract)：
为有效控制由机械截割破煤产生的大量粉尘,结合风幕除尘技术与高压喷雾降尘技术,研发了一种可以阻隔工作区域粉尘扩散的新型涡旋气动雾幕控尘装置模型.通过模拟后实验的研究方法对装置进行测试,采用CFD软件对装置内部的风流速度场、涡旋气动雾幕出口速度以及涡旋气动雾幕雾滴粒子场进行了数值模拟,得出初步装置运行最佳工作参数后对实验模型装置的性能进行了测定实验.研究结果表明:水泵供水压力为8 MPa、风机供风风速为12m/s、喷嘴安装角度为75°时,涡旋气动雾幕降尘装置模型处于最佳工况,涡旋状雾幕的有效覆盖范围达到最大.
关键词(KeyWords)： 风幕除尘;高压喷雾降尘;工作参数;涡旋气动雾幕;降尘效率
基金项目(Foundation): 国家自然科学基金(51704146）
作者(Authors): 荆德吉;任帅帅;葛少成;孟祥曦;马明星;
参考文献(References)：
- [1]杨靖,李雨成.风幕集尘射流装置研究[J].世界科技研究与发展,2013,35(05):591-593,619.YANG Jing,LI Yucheng.Researches on air curtain dust collection jet device[J].World SCI-TECH Research and Development,2013,35(5):591-593,619.
- [2]李雨成,李智,高伦.基于风流及粉尘分布规律的机掘工作面风筒布置[J].煤炭学报,2014,39(S1):130-135.LI Yucheng,LI Zhi,GAO Lun.Arrangement of air duct in tunneling working face based on the distribution laws of airflow and dust[J].Journal Of China Coal Society,2014,39(S1):130-135.
- [3]程卫民,聂文,姚玉静,等.综掘工作面旋流气幕抽吸控尘流场的数值模拟[J].煤炭学报,2011,36(08):1 342-1 348.CHENG Weimin,NIE Wen,YAO Yujing,et al.Numerical simulation on the flow field of swirling flow air curtain aspiration control dust in fully mechanized workface[J].Journal of China Coal Society,2011,36(8):1 342-1 348.
- [4]聂文,程卫民,周刚,等.掘进面喷雾雾化粒度受风流扰动影响试验研究[J].中国矿业大学学报,2012,41(3):378-383.NIE Wen,CHENG Weimin,ZHOU Gang,et al.Experimental study on atomized particle size as affected by airflow disturbance at the heading face[J].Journal of China University of Mining&Technology,2012,41(3):378-383
- [5]刘荣华,王鹏飞,张登春,等.机掘工作面旋转射流屏蔽通风吹吸流量比研究[J].中国安全科学学报,2012,22(9):133-139.LIU Ronghua,WANG Pengfei,ZHANG Dengchun,et al.Study on flow ratio of blowing to drawing of rotational jet shield ventilation at tunneling working face[J].China Safety Science Journal, 2012,22(9):133-139.
- [6] MEZHERICHER M,LEVY A,BORDE I,et al.Probabilistic hard-sphere model of binary particle–particle interactions in multiphase flow of spray dryers[J].International Journal of Multiphase Flow,2012:22-38.
- [7] WASHINO K,TAN H S,SALMAN A D,et al.Direct numerical simulation of solid–liquid–gas three-phase flow:fluid–solid interaction[J].Powder Technology,2011,206(1):161-169.
- [8]荆德吉,葛少成,刘剑,等.破碎站粉尘逸散规律及降尘技术的数值模拟及其应用[J].环境工程学报,2013,7(9):3 494-3 500.JING Deji,GE Shaocheng,LIU Jian,et al.Numerical simulation of dust diffusion rule and suppression technology in crushing station and its. application[J].Chinese Journal of Environmental Engineering,2013,7(9):3 494-3 500.
- [9]葛少成,荆德吉,黄莹品.基于数值模拟的高压微雾除尘原理及其技术参数确定[J].辽宁工程技术大学学报(自然科学版),2012,31(1):17-20.GE Shaocheng,JING Deji,HUANG Yingpin.Mumerical simulation determination of the production mechanism and technical parameters of high-pressure micro-fog system[J].Journal of Liaoning Technical University(Natural Science),2012,31(1):17-20
- [10]荔军.岩巷掘金工作面除尘技术与装备研究[J].煤矿机械,2013,34(2):144-145.LI Jun.Research of Dust-cleaning technique in driving face of rocky tunne[J].Coal Mine Machinery,2013,34(2):144-145
- [11]马素平,寇子明.喷雾降尘机理的研究[J].煤炭学报,2005(3):297-300.MA Suping,KOU Ziming.Study on mechanism of reducing dust by spray[J].Journal Of China Coal Society,2005(3):297-300.