Unidirectional discharge grate assembly
US8308906B2 · kind B2 · utility
7Cited by
20References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C17/1855
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A discharge grate assembly for at least partially guiding slurry from a mill shell chamber in a rotating mill shell to a discharge trunnion thereof via a pulp lifter chamber. The discharge grate assembly includes a body having a number of apertures for permitting the slurry to flow from the mill shell chamber into the pulp lifter chamber. The discharge grate assembly also includes a number of louvers movable between a closed position, in which the apertures in the body are at least partially covered by the louvers, and an open position, in which the apertures are at least partially unobstructed by the louvers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.