Closed-circuit grinding plant having sifter and fine...

Details Closed-circuit grinding plant having sifter and fine... Closed-circuit grinding plant having sifter and fine...

2008-11-19

2011-11-29

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

With separation or classification of material

C241S077000, C241S079100, C241S080000, C241S143000

Reexamination Certificate

active

08066211

ABSTRACT:
A closed-circuit grinding plant for grinding coarse material into a fine material, in particular for generating cement raw meal and/or cement from cement clinker, the plant having at least two roller presses disposed about a central riser shaft which pneumatically transports the fine material or pulverizing the coarse material, at least two sifters for separating the fine material generated during the pulverization from still existing coarse material, and at least two fine material settling devices for settling the fine material from the sifting air of the sifters.

REFERENCES:
patent: 2005/0284971 (2005-12-01), Hagedorn et al.
patent: 195 26 040 (1997-01-01), None
patent: 0614701 (1994-09-01), None
patent: WO 00/01488 (2000-01-01), None

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