CAJ | 학술논문

球磨机作为一种物料粉碎设备,被广泛应用于冶金、建材、化工和矿山工业等基础性行业.磨介的运动形态对球磨机的粉磨效率影响极大,而衬板是球磨机中改善磨介运动状态并使其获得较佳运动形态的重要零部件之一.因此,针对衬板结构对磨介运动形态的影响,理论分析正多边形角螺旋衬板中磨介运动形态的影响因素,得出磨介运动状态与衬板结构参数的关系方程和曲线图像.通过建模仿真对比分析这些参数的影响效果,验证理论分析的正确性.理论和数值分析结果表明:当正多边形角螺旋衬板的边数为4,并以50°安装转角安装时,球磨机具有较高的粉磨效率,为开展正多边形角螺旋衬板的试验测试研究和合理选择衬板结构参数提供了理论依据.
구마궤작위일충물료분쇄설비,피엄범응용우야금、건재、화공화광산공업등기출성행업.마개적운동형태대구마궤적분마효솔영향겁대,이츤판시구마궤중개선마개운동상태병사기획득교가운동형태적중요령부건지일.인차,침대츤판결구대마개운동형태적영향,이론분석정다변형각라선츤판중마개운동형태적영향인소,득출마개운동상태여츤판결구삼수적관계방정화곡선도상.통과건모방진대비분석저사삼수적영향효과,험증이론분석적정학성.이론화수치분석결과표명:당정다변형각라선츤판적변수위4,병이50°안장전각안장시,구마궤구유교고적분마효솔,위개전정다변형각라선츤판적시험측시연구화합리선택츤판결구삼수제공료이론의거.
Ball mill is one of the material crushing equipment. They are widely used in many industries, such as metallurgy, building materials, chemical engineering and mine industry. The motion morphology of grinding media plays a vital role in ball mills grinding efficiencies. Therefore, interests in liner design to ensure efficient mill operation has grown. Many liner structures have been designed and used in mill to have good motion morphology. However, the impact of regular polygon angle-spiral liner on mill performance is still unclear. To address this concern, impact factors of the grinding media motion morphology in different regular polygon angle-spiral liners are theoretically analyzed. Media motions of ball mill with regular polygon angle-spiral liner are numerical studied in EDEM software. The simulation results validate the theoretical analysis effectively. Results show that the regular quadrilateral angle-spiral liner with a 50° installing angle has the best grinding effect, which could provide the guidance of parameter selection of regular polygon angle-spiral liners and mill's experimental study.