Method and apparatus for feeding chemical into a liquid flow
US8602634B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2004 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 6, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A feeding device for feeding a chemical into a process liquid flowing through a process liquid flow duct, the feeding device includes: a feeding liquid duct having a discharge opening; a mixing liquid feed duct extending through the feeding liquid duct, a sidewall and a closed end wall, wherein the end wall extends beyond the discharge opening of the feeding liquid duct and extending into the process liquid flow duct; a mixing space adjacent the end wall and within the sidewall of the mixing liquid feed duct; a chemical feed duct extending through the mixing liquid feed duct and having a discharge opening proximate to the mixing space in the mixing liquid feed duct, and a mixture discharge opening in the side wall of the mixing liquid feed duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.