Two-roll press for pressure treatment of granular material

Details Two-roll press for pressure treatment of granular material Two-roll press for pressure treatment of granular material

1997-09-12

1999-06-15

Hail, III, Joseph J.

Solid material comminution or disintegration

Processes

Miscellaneous

241 36, B02C 2500

Patent

active

059113715

ABSTRACT:
In two-roll machines for high-pressure disintegration of granular material, in which typically only one of the two rolls is motor driven, while the other roll is driven by means of friction via the granular material pressed in the roll gap, and thus operates as a drag roll, it is proposed to equip the drag roll with a separate, smaller drive mechanism including a separate smaller drive motor. This drive is thereby dimensioned in such a way that the startup of the drag roll is ensured and a drop in revolutions per minute of the drag roll is avoided. Alternatively, this separate drive is enlarged in such a way that it can transmit 10% to 40%, preferably 20%, of the total required drive power.

REFERENCES:
patent: 1130365 (1915-03-01), Altheide
patent: 3412769 (1968-11-01), Howard
patent: 4589598 (1986-05-01), Ellery, Sr.
patent: 4627577 (1986-12-01), Hyuga et al.
patent: 4798343 (1989-01-01), Berndt
patent: 5088651 (1992-02-01), Takahashi et al.
patent: 5395057 (1995-03-01), Williams, Jr. et al.

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