Gas phase continuous digester having an inverted top separator with liquor injection
US7105076B2 · kind B2 · utility
1Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2002 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Sep 12, 2023 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C7/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A continuous digester is disclosed for producing chemical cellulose pulp from cellulose chips, comprising: a continuous digester vessel having a lower section filled with the cellulose chips and an upper gas filled section; an inverted separator at least partially in said upper section which introduces chips and liquid into said digester vessel and separates some of the liquid from the chips, wherein said separator includes a drive shaft connected to a conveyor, and a liquid discharge port proximate to the drive shaft and arranged proximate to a chip discharge of the separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.