Dry piston coal feeder

Details Dry piston coal feeder Dry piston coal feeder

1977-12-01

1979-02-20

Sheridan, Robert G.

214 17B, 214152, C10J 330

Patent

active

041402286

ABSTRACT:
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.

REFERENCES:
patent: 1396859 (1921-11-01), Long

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