Feed dilution apparatus for thickener/clarifiers
US12064713B2 · kind B2 · utility
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18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2022 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Jan 25, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F35/7176
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A feedwell assembly (1) having a feedwell (3) and feed dilution apparatus (27) is characterised in that the feed dilution apparatus (27) includes a centrifugal impeller (16) arranged within a pump housing (9). The pump housing is arranged below a weir box (12) having an upper opening and a spill lip (12b). The spill lip (12b) is arranged at an upper periphery of the weir box (12). The spill lip (12b) is configured to be arranged below an air-liquid interface (20) during operation such that there is a depth of submergence (26) between the spill lip (12b) and the air-liquid interface (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.