Design of puncher for recycling of waste film fragments
2021
Chen, Panpan | Li, Jing | Wang, Zhimin
Although the recycling of an entire piece of plastic film after farmland use has attracted significant attention, the film fragments generated by punching holes in such plastic films have never been studied. These film fragments can penetrate deeper into the soil more easily than whole pieces of plastic film, causing soil pollution. In this study, two new punchers with burrs were designed, and a group of comparative experiments were conducted on waste film fragment recycling. The results show that the average time required to complete the same task using punchers with two burrs (puncher 3) and one burr (puncher 2) can be reduced by 40.37% and 26.19%, respectively. The average success rates in recycling the film fragments are 91.67% and 68.17%, respectively. The performance of puncher 3 is better than that of puncher 2 for recycling the film fragments. Thus, the application of puncher 3 is beneficial for solving the problems in waste film recycling. Accordingly, the study is of great significance for protecting the soil environment, reducing “white pollution” and achieving China’s sustainable development goals.
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