Angle-based method and device for protecting a rotating...

Details Angle-based method and device for protecting a rotating... Angle-based method and device for protecting a rotating...

2007-07-03

2007-07-03

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

With automatic control

Reexamination Certificate

active

11332336

ABSTRACT:
A method and device to protect a grinding mill, at startup from a gravity-balanced condition thereof, used for grinding material therein by rotating the drum so that the material adheres to the drum inner surface and rises therewith over a cascading angle from a startup position at the gravity-balanced condition prior to detach by gravity from the inner surface and tumble into a cascading flow. The method is used for protecting the grinding mill from damages potentially resulting from the material agglomerating into a generally solidified lumped volume that could adhere to the inner surface and rotate therewith more than the cascading angle to a fall angle wherein the lumped volume may detach from the inner surface and impact an impact position within the drum.

REFERENCES:
patent: 4123009 (1978-10-01), Kilpinen
patent: 4635858 (1987-01-01), Welch et al.
patent: 54-99262 (1978-08-01), None

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