Dual outlet pulp level control system for flash flotation devices
US5909022A · kind A · utility
6Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1997 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | Apr 30, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D1/1475
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A flash flotation device (1) comprises a tank (2) to contain slurry (3) incorporating minerals to be extracted, a feed inlet (25) for admission of slurry (3) into the tank (2), agitation means (10) to agitate the slurry (3) within the tank (2), aeration means to aerate the slurry (3) whereby floatable minerals in suspension form a surface froth for removal via froth lip (29), a bottom outlet (26) for withdrawal of relatively coarse or dense components of the slurry (3) from the tank (2), and a side outlet (28) to regulate the level of slurry (3) in the tank (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.