Dry piston coal feeder. [DOE patent]
Patent
·
OSTI ID:6086836
This invention provides a solids feeder for feeding dry coal to a pressurized gasifier at elevated temperatures substantially without losing gas from the gasifier by providing a lock having a double-acting piston that feeds the coals into the gasifier, traps the gas from escaping, and expels the trapped gas back into the gasifier.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US 4140228
- OSTI ID:
- 6086836
- Resource Relation:
- Patent File Date: Filed date 1 Dec 1977; Other Information: PAT-APPL-856,368
- Country of Publication:
- United States
- Language:
- English
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