Apparatus for fixed bed coal gasification
Patent
·
OSTI ID:6945835
This patent describes an apparatus for gasification of solid fuel. It comprises: a heated pressure vessel having vertical walls and an upper end and a lower end; a tubular housing having an upper exit end and a lower entrance end; conduits located in the vicinity of the lower end of the tubular housing for introducing fuel, a combustible gas, and an oxidant into the lower entrance end of the tubular housing; conduits for supplying gasifying reactants into the upper end of the pressure vessel; a rotating grate disposed around the tubular housing in the annular space between that portion of the tubular housing that projects into the pressure vessel and the walls of the pressure vessel; withdrawal conduits in the upper end of the pressure vessel for removing gaseous volatiles from the pressure vessel; and a withdrawal port below the rotating grate and near the lower end of the pressure vessel for transporting solid material from the pressure vessel.
- Assignee:
- CRS Sirrine Engineers, Inc., Houston, TX (United States)
- Patent Number(s):
- A; US 5133780
- Application Number:
- PPN: US 7-565039
- OSTI ID:
- 6945835
- Country of Publication:
- United States
- Language:
- English
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