High efficiency bowl mill

Details High efficiency bowl mill High efficiency bowl mill

2007-09-11

2007-09-11

Banks, Derris H. (Department: 3725)

Solid material comminution or disintegration

Apparatus

Plural rotary or oscillatory surfaces cooperate with common...

C241S117000, C241S118000, C241S120000, C241S121000, C241S122000

Reexamination Certificate

active

11128248

ABSTRACT:
A high efficiency bowl mill (100) is provided by the present invention. Included in the high efficiency bowl mill (100) is a plow (185) that is downstream of a grinding roll (180) on a grinding surface (145). The plow (185) loosens material that has been compacted by the grinding roll (180). Also included is a deflector (165) that redirects an air stream so as to pick up material loosened by the plow (185) and deposit material requiring further grinding. An outlet (201) of an inverted cone (200) is positioned so as to deposit material for pulverization on the grinding surface (145) and to restrict the air stream from entering the inverted cone (200).

REFERENCES:
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patent: 4002299 (1977-01-01), Skalka
patent: 4234132 (1980-11-01), Maliszewski
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patent: 4523721 (1985-06-01), Maliszewski et al.
patent: 4981269 (1991-01-01), Koga et al.
patent: 5597124 (1997-01-01), Kessel et al.
patent: 6113015 (2000-09-01), Brundiek

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