Stirring system and method for introducing gases to liquids
US4699740A · kind A · utility
24Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 1986 |
| Grant date | Oct 13, 1987 |
| Priority date | — |
| Expiry date | Apr 7, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00768
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A stirring system for dispersing gases in liquids, includes an upright mixing vessel with at least one baffle, a draft tube, and a stirring shaft with at least two stirrers, one of which stirrers is mounted at the upper end of the draft tube and the other at the lower end. The liquid into which the gases are to be introduced is charged into the mixing vessel to the extent that the liquid level lies above the upper edge of the draft tube and above the lower edge of the baffle or baffles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.