Granular gas filter arrangement
US4012210A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 23, 1976 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Feb 23, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A continuous moving bed filter arrangement including a generally vertical vessel defining a gas cleaning chamber therein, having granular filter media inlet opening means located in the upper portion thereof, granular filter media outlet opening means located in the lower portion thereof, at least one first gas conduit means communicating with the upper end thereof, at least one plenum means surrounding a portion of the circumference of a segment of the vessel adjacent the lower portion of the vessel; at least one second gas flow conduit means to conduct gas between the plenum means and the gas cleaning chamber defined by the vessel; at least one third gas conduit means communicating with the plenum means; filter media inlet tube means extending downwardly from the media inlet opening a selected distance into the gas cleaning chamber defined by the vessel for selective admission of granular filter media to the chamber defined within the vessel whereby media flows downwardly through the vessel from the filter media inlet opening to the media outlet opening while gas flows between the first gas conduit means and the second gas conduit means through the bed of media flowing downwardly…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.