发明名称 |
Dry grinding system and dry grinding method |
摘要 |
The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; second classification means for further classifying the coarse powder obtained through the first classification means, into find powder having a relatively small average particle size and coarse powder having a relatively large average particle size; and returning means for returning to the grinding means the coarse powder obtained through the second classification means. The invention enables production of a powder product having a desired average particle size at high efficiency.
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申请公布号 |
US7264185(B2) |
申请公布日期 |
2007.09.04 |
申请号 |
US20060449655 |
申请日期 |
2006.06.09 |
申请人 |
SHOWA DENKO K.K. |
发明人 |
TOMIKAWA SHINICHIRO;MIYAZAWA HIROKAZU |
分类号 |
B02C23/14;B02C17/18;B07B9/00;B07B9/02 |
主分类号 |
B02C23/14 |
代理机构 |
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代理人 |
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地址 |
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