Rotary disc filter with peripheral cake supports
US4648970A · kind A · utility
6Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1985 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | May 3, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D33/463
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary filter, formed by a number of annular filter discs (1), mounted substantially parallel on a driving shaft, for the uptake and dewatering of fiber suspension from a container, fiber cakes (5) being formed, adhering to the outer sides of the filter discs (1), is provided with spraying nozzles (3), arranged in a removal zone for removal of said fiber cake (5). The invention consists of supporting elements (4) provided in the removal zone for supporting the fiber cake (5) in its upper loosened part and to prevent it from folding out from the filter disc (1) during the removal process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.