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STUDY ON SHOCK WAVE FORMATION, ITS EFFECTING AND PREVENTION IN GRINDING PROCESS FOR JET MILL

Liu Dongsheng,Li Fengsheng,Song Hongchang,Li Chunjun and Liu Fengbiao( Ultrafine Pcrwder Technology and Surface Science Institute, Nanjing University of Science and Technology, Nanjing 210014)   

  • Online:1997-04-25 Published:1997-04-25

气流粉碎过程中激波的产生、影响及防止研究

刘东升,李凤生,宋洪昌,李春俊,刘峰彪   

  1. 南京理工大学超细粉体与表面科学技术研究所,南京理工大学超细粉体与表面科学技术研究所,南京理工大学超细粉体与表面科学技术研究所,南京理工大学超细粉体与表面科学技术研究所,南京理工大学超细粉体与表面科学技术研究所 南京210014,南京210014,南京210014,南京210014,南京210014

Abstract: In this paper, the reasons of shock wave formation in a jet mill are analyzed firstly. Then the influence of the shock wave on impact velocity of particle is discussed by numerical method. Finally some suggestions are presented to prevent from shock wave formation in the grinding process.

摘要: 分析了气流粉碎过程中激波产生的原因,采用数值计算方法,讨论了激波对气流磨中颗粒的冲击速度的影响,并提出了防止激波产生的措施。

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