基于EDEM固液分离装置螺旋轴参数优化与试验  

Optimization and test study on parameters of helical axis based on EDEM solid-liquid separation device

作　　者：常金攀 果霖 贺小梅 王建坤 方启明 CHANG Jin-pan;GUO Lin;HE Xiao-mei;WANG Jian-kun;FANG Qi-ming(College of Mechanical and Electrical Engineering,Yunnan Agricultural University,Kunming,Yunnan 650201,China)

机构地区：[1]云南农业大学机电工程学院,云南昆明650201

出　　处：《食品与机械》2022年第7期128-132,共5页Food and Machinery

摘　　要：目的:解决餐厨垃圾固液分离装置脱水率低,出料不畅的问题。方法:对餐厨垃圾固液分离装置关键部位螺旋轴进行参数优化,基于Creo对固液分离装置进行三维建模;通过EDEM仿真软件对挤压过程进行仿真分析,制作优化后的螺旋轴样机并进行实验验证。结果:优化后的螺旋轴结构参数为输送距离373 mm,压缩距离180 mm,螺旋轴压缩端直径96 mm,螺旋叶片直径98 mm,螺旋轴长度553 mm;EDEM仿真分析得出固液分离装置出料口的受力范围为2.7~4.5 N,平均受力3 N,出料速度范围为1.3~4.7 m/s,平均速度1.9 m/s。结论:优化后的餐厨垃圾固液分离装置样机脱水率明显提高,出料顺畅,脱水效果优于优化前。Objective:To solve the problems of low dehydration rate of solid-liquid separation device and discharge not free of kitchen waste.Methods:By Optimizing the parameters of the key parts of the solid-liquid separation device,modeling the solid-liquid separation device based on Creo,analyzing the extrusion process through EDEM simulation software,the optimized screw shaft prototype was made and verified.Results:The optimized spiral shaft structure parameters were conveying distance 373 mm,compression distance 180 mm,compression end diameter 96 mm,spiral blade diameter 98 mm and axis length 553 mm;the force range of solid-liquid separation device was 2.7~4.5 N,wtih average force of 3 N,and discharge speed range of 1.3~4.7 m/s with average speed of 1.9 m/s.Conclusion:The dehydration rate of kitchen waste solid-liquid separation device is significantly improved,the discharge is smooth,and the dehydration effect is better than that before optimization.

关 键 词：固液分离装置 螺旋轴 优化设计 EDEM仿真分析 餐厨垃圾 

分 类 号：X799.3[环境科学与工程—环境工程]