基于机械物理法的废塑料回收降解工艺数值模拟实验研究

Experimental Study on Numerical Simulation of Waste Plastics Recycling and Degradation Process Based on Mechanical Physics Method

基于机械物理法对热固性废塑料回收降解工艺进行了数值模拟,建立了废旧热固性塑料回收再生试验系统的试验模型,确定了该系统的功能要求。根据分析结果,完成了刀具和机械等结构部分的设计环节,并且进行了整体工艺流程的模拟运算,从而进一步优化工艺流程、参数指标及机械结构。结果表明:通过再生实验专机和机械物理法再资源化实验系统的设计和优化,使机械力活化再生及微细粉碎效果得到增强,大幅提高了废弃塑料的回收降解效率,并且使再生塑料制品的力学性能得到改善。

Based on the mechanical physical method, the process of recycling and degradation of thermosetting waste plastics was numerically simulated. The experimental model of recycling and regeneration system of thermosetting waste plastics was established, and the functional requirements of the system were determined. According to the analysis results, the design links of structural parts such as cutting tools and machinery were completed, and the simulation calculation of the overall process flow was carried out, so as to further optimize the process flow, parameters and mechanical structure. The results show that through the design and optimization of regeneration experimental machine and regeneration experimental system, the effect of mechanical activation regeneration and micro-grinding is enhanced, the efficiency of recycling and degradation of waste plastics is greatly improved, and the mechanical properties of recycled plastics products are improved.