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...

2006-03-28

2006-03-28

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Processes

Miscellaneous

C241S036000

Reexamination Certificate

active

07017841

ABSTRACT:
A method and device to protect a grinding mill 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 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 with the latter more than the cascading angle to a fail angle wherein the lumped volume may detach from the drum 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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