Solid bowl centrifuge with liquid release during rotation
US6740027B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Apr 20, 2002 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Apr 20, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04B11/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A solid bowl centrifuge with liquid release during rotation includes a frame, solid bowl, drive device, scraper assembly, slurry spray, and liquid collection trough. The solid bowl includes a centrifuge chamber, and a liquid evacuation chamber. A plurality of openings are formed on the outer wall of the liquid evacuation chamber. The solid bowl is pivotal retained in the frame. The liquid collection trough is disposed around the liquid evacuation chamber. The drive device causes the solid bowl to rotate. Slurry is sprayed on to the wall of the centrifuge chamber while in rotation and eventually scraped-off the wall of the centrifuge chamber. A second embodiment of the solid bowl centrifuge with liquid release during rotation utilizes at least three bearing wheels to support an outer perimeter of the solid bowl at a bottom thereof. The liquid evacuation chamber is replaced with a liquid ring attached to a bottom of the centrifuge chamber and a liquid collection trough disposed around the liquid ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.