捏合机混合效果的评定分析  

Assessment and Analysis of the Mixing Effect for the Kneading Mixer

作　　者：付小燕[1] 李锡文[2] 肖淑芬[3] 杨明金[4] 

机构地区：[1]中国工程物理研究院总体工程研究所,四川绵阳621900 [2]华中科技大学机械科学与工程学院,武汉430074 [3]湖北工程学院计算机与信息科学学院,湖北孝感432100 [4]西南大学工程技术学院,重庆400715

出　　处：《西南大学学报（自然科学版）》2014年第10期170-176,共7页Journal of Southwest University(Natural Science Edition)

基　　金：国家重大科学仪器设备开发专项资助项目(2011YQ160002)

摘　　要：捏合机是高粘度物料混合的重要设备.分析捏合机行星轮系传动系统,给出桨叶自转与公转转速公式;使用Matlab软件,通过坐标变换法对捏合机桨叶的刃尖轨迹进行数学建模和数值仿真;提出移动视窗计算法,在具有特定面积的视窗内准确地计算混合区域内轨迹的数量,作为判断桨叶对药浆混合均匀性的指标之一,实现混合效果直观、定量的分析与评定.The kneading mixer is an important equipment for high viscosity material mixing .In this study , the planetary gear box of the kneading mixer was analyzed and the calculation formula of the double screw blades’ speed was given .Using the coordinate transformation method and based on Matlab ,the mathemat-ical modeling and numerical simulation of the double screw blades tips were obtained .The concept of“movable window” with a specific area was proposed to calculate the accurate number of trajectories which can be regarded as one of the judgment standards of mixing uniformity of the solid propellant slurry .

关 键 词：捏合机 数值仿真 移动视窗 混合均匀性 

分 类 号：TH69[机械工程—机械制造及自动化]