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| Structure reverse design and abrasion-resistant performance of submersible mixer’s impeller based on solid model |
| YUAN Jian-Ping, TANG Yue, YUAN Shou-Qi, LI Hong |
| Research Centre of Fluid Machinery and Engineering, Jiangsu University, Zhenjiang 212013, China |
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Abstract The impeller of submersible mixer in some wastewater treatment plant,whose parts are imported from other countries, is heavily abased. To solve this problem and realize domestic manufacture, based on reverse engineering theory, utilizing 3 coordinates measuring machine and applications of Surface and Pro/E,3D solid model of impeller are gained. The gained impeller model accords with the physical one with high accuracy. By using this model, the manufacture of its mould and research on abrasion-resistant performance as well as the implementation of domestic manufacture of its parts are completed. The new impeller has been employed in this plant and passed field running experiment. The results indicate that its mixing and propelling performance is excellent and abrasion does nothappen in more than three months. It has prominent economic and social benefit.
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Published: 28 August 2007
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基于三维实体造型的搅拌器叶轮结构反求及其抗磨性能
某污水处理厂的潜水搅拌器叶轮磨损严重，且叶轮备件需从国外进口。为了解决该叶轮的抗磨损问题，实现备件的国产化，基于反求工程设计理论，应用三坐标测量机、Surfacer软件和Pro/E软件获得原叶轮的三维实体造型，所获得的叶轮实体造型与原型有较高精度的一致。应用叶轮实体造型，完成叶轮模具的制造、叶轮的抗磨损研究和备件的国产化工作。新叶轮已应用于该污水处理厂，并通过了现场生产运行试验。试验结果表明：叶轮的搅拌和推进效果很好，运行3个月后无磨损情况发生，经济效益和社会效益显著。
关键词：
潜水搅拌器,
叶轮,
抗磨损,
反求工程
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