粉尘提取机砂粉分离影响规律研究  

Study on the influence law of sand powder separation of sand powder separation machine

作　　者：杨杰[1] 郭迪 宗浩阳 马军旭 王新田 施进发[1] 汪良强 上官林建[1] YANG Jie;GUO Di;ZONG Haoyang;MA Junxu;WANG Xintian;SHI Jinfa;WANG Liangqiang;SHANGGUAN Linjian(North China University of Water Resources and Electric Power,Zhengzhou 450045,China;AVIC Jonhon Optronic Technology Co.,Ltd.,Luoyang 471000,China;China Nonferrous Metals Processing Technology Co.,Ltd.,Luoyang 471000,China;Henan Chuangshen Environmental Science Technology Co.,Ltd.,Zhengzhou 450045,China;Zhengzhou Sanhe Hydraulic Machinery Co.,Ltd.,Zhengzhou 450045,China)

机构地区：[1]华北水利水电大学,河南郑州450045 [2]中航光电科技股份有限公司,河南洛阳471000 [3]中色科技股份有限公司,河南洛阳471000 [4]河南创申环保科技有限公司,河南郑州450045 [5]郑州三和水工机械有限公司,河南郑州430045

出　　处：《中国矿业》2022年第4期102-108,共7页China Mining Magazine

基　　金：河南省科技厅科技攻关项目资助(编号:182102210060);河南省重大科技专项项目资助(编号:201110210300);郑州市重大科技创新专项项目资助(编号:2019CXZX0050)。

摘　　要：随着建筑业的迅速发展,砂石的需求量日益增加。由于天然砂的短缺,机制砂就成为砂的主要来源。砂石作为工程基建的原料,其制造技术一直被国内外企业、专业人士探索。粉尘提取机是研究机械制砂的设备,本文针对某公司生产的粉尘提取机出砂率低的问题,利用SolidWorks软件建立了粉尘提取机分离模型,根据气固两相流原理,采用欧拉-欧拉法方法,对粉尘提取机进行了Fluent数值分析。利用试验设计方法得到了进风口风速、粉尘出口压力、溜料板角度及粉尘出口截面直径对出砂率的影响规律;分析了进风口风速与粉尘出口压力、进风口风速与溜料板角度、粉尘出口压力与粉尘出口截面直径之间的交互作用。试验结果表明:当进风口风速为15.26 m/s,粉尘出口压力为-628.39 Pa,溜料板角度为90°,粉尘出口截面直径为1 000 mm时,出砂率最佳,为95.35%。该试验分析为粉尘提取机设计提供了理论依据。With the rapid development of the construction industry, the demand for sand is increasing day by day.Due to the shortage of natural sand, machine-made sand becomes the main source of sand.As the raw material of engineering infrastructure, the manufacturing technology of sand and stone has been explored by domestic and foreign enterprises and professionals.Dust extractor is the equipment of mechanical sand making.In this paper, aiming at the problem of low sand rate of dust extractor produced by a company, the separation model of dust extractor is established by solid works.According to the principle of gas-solid two-phase flow, Euler-Euler model is used to carry out Fluent numerical analysis of dust extractor.By means of experimental design method, the influence law of air inlet wind speed, dust outlet pressure, chute angle and dust outlet section diameter on sand production rate is obtained.The interaction between air inlet velocity and dust outlet pressure, air inlet velocity and chute angle, dust outlet pressure and dust outlet cross section diameter are analyzed.The results show that when the wind speed of the inlet is 15.26 m/s, the dust outlet pressure is-628.39 Pa, the angle of the slide plate is 90°,and the cross section diameter of the dust outlet is 1 000 mm, the sand production rate is 95.35%.The experimental analysis provides a theoretical basis for the design of dust extractor.

关 键 词：砂粉分离 Fluent软件 回归分析 粉尘提取机 出砂率 

分 类 号：TH69[机械工程—机械制造及自动化]