Blade ring for air-swept roller mills

Details Blade ring for air-swept roller mills Blade ring for air-swept roller mills

1999-01-25

2000-07-25

Husar, John M.

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241107, 241109, B02C 1500

Patent

active

060927488

ABSTRACT:
To reduce the manufacturing costs of air-swept roller mills and comparable mills and for optimizing the grinding and classifying processes via the flow direction of the fluid-grinding material mixture, according to the invention a blade ring is provided, which has pivotable guide blades. The blade ring is constructed as a polygon blade ring in segment form with at least one outer jacket ring or outer ring, which is constructed in segmented, polygonal manner and comprises a plurality of outer polygon segments formed from planar sheet metal blanks. One or more pivotable guide blades can be arranged with an upper, lower or central pivot axis on the polygon segments and can be pivoted and locked with no or few stages.

REFERENCES:
patent: 5186404 (1993-02-01), Wark
patent: 5607111 (1997-03-01), Brundiek
patent: 5622321 (1997-04-01), Brundiek et al.
patent: 5667149 (1997-09-01), Eisinger
patent: 5819947 (1998-10-01), Nardi et al.

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