- 专利标题： VERFAHREN UND VORRICHTUNG ZUM REINIGEN VON PULVER
- 专利标题（英）： Powder cleaning process and device
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申请号： EP95944769.9申请日： 1995-12-13
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公开(公告)号： EP0799157B1公开(公告)日： 1999-06-16
- 发明人: SCHUH, Lothar , JANSEN, Helge
- 申请人： ABB FLÄKT AB
- 申请人地址： Sickla Allé 13, Nacka S-120 86 Stockholm SE
- 专利权人： ABB FLÄKT AB
- 当前专利权人： ABB FLÄKT AB
- 当前专利权人地址： Sickla Allé 13, Nacka S-120 86 Stockholm SE
- 代理机构： Rupprecht, Klaus, Dipl.-Ing.
- 优先权： DE4446528 19941224; DE19544887 19951201
- 国际公布： WO9620131 19960704
- 主分类号： C01F7/46
- IPC分类号： C01F7/46 ; C01F7/02 ; B03B1/00 ; B02C13/00
摘要：
In a process for mechanically cleaning a powder (25), the powder is projected at a predetermined speed and at a determined frequency during a defined time against at least one surface in order to separate therefrom particles of impurities (35) that adhere to its surface. The thus obtained powders (30, 31 and 35) are then sorted according to size. A cleaning device (1) for carrying out the process has a separator (2) mounted upstream of a wind sifter (3) or cyclone (4). A simplified embodiment of the cleaning device (1) has only a wind sifter (3).
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