Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor
US6193406A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1998 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Nov 25, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F35/32015
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method and an apparatus for mixing a pulp suspension with a fluid medium. The method and the apparatus according to the invention are particularly advantageous when used for mixing different chemicals, both liquid and gaseous, or steam into pulp suspension in the wood processing industry. In the method and the apparatus according to the invention, the pulp suspension and the fluid medium are fed into a mixer casing, mixed therein and removed from the casing, and a freely rotatable mixing rotor with mixing blades, is placed within the casing and turned by means of incoming flow of pulp suspension being in contact with the mixing blades of the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.