Roller mill, particularly air-swept roller mill, and method...

Details Roller mill, particularly air-swept roller mill, and method... Roller mill, particularly air-swept roller mill, and method...

2008-04-01

2008-04-01

Miller, Bena (Department: 3725)

Solid material comminution or disintegration

Processes

With classifying or separating of material

C241S052000, C241S079100

Reexamination Certificate

active

11264013

ABSTRACT:
The invention relates to a roller mill, particularly an air-swept roller mill provided with a device for separating magnetizable constituents, particularly iron particles from the milling area. The invention also relates to a method for grinding materials with magnetizable, particularly iron-containing constituents, e.g. slag, in an air-swept roller mill where, for avoiding concentrations of magnetizable particles, particularly iron particles, on the grinding pan, said particles are electromagnetically separated and removed from the roller mill.

REFERENCES:
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patent: 3951347 (1976-04-01), Tiggesbaumker et al.
patent: 4174508 (1979-11-01), Lichtenberger
patent: 4295084 (1981-10-01), Nagase et al.
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patent: 4803061 (1989-02-01), Najjar et al.
patent: 4896836 (1990-01-01), Mitchell
patent: 5244157 (1993-09-01), Brundiek
patent: 5975442 (1999-11-01), Purser
patent: 103265 (1924-02-01), None
patent: 39 21 986 (1990-10-01), None

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