Method and apparatus for the controlled supply of feedstock to a feedstock processing facility operating at high pressure
US6651843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2001 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Dec 31, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21C7/0037
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A feedstock feeder for supplying feedstock to a system operating at a level of pressure. The feedstock feeder includes a pressure vessel having a pressure which is higher than the level of pressure; a mechanical feeder portion which meters the flow of feedstock to the system, the mechanical feeder portion located within the pressure vessel; a feedstock supplier which supplies feedstock to the mechanical feeder portion, the feedstock supplier located within the pressure vessel; a drive mechanism for driving a dynamically moving portion attached to the drive mechanism, the dynamically moving portion coupled to the mechanical feeder portion for moving the mechanical feeder portion; and wherein all dynamic seals operating to seal about the dynamically moving portion are positioned within the pressure vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.