Dry piston coal feeder

Patent · Mon Jan 01 00:00:00 EST 1979

OSTI ID:863286

Hathaway, Thomas J ^[1]

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1. Belle Meade, NJ

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.

• DOE Contract Number: E(49-18)-1974
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4140228
• OSTI ID: 863286
• Country of Publication: United States
• Language: English

Related Subjects

dry
piston
coal
feeder
provides
solids
feeding
pressurized
gasifier
elevated
temperatures
substantially
losing
gas
providing
lock
double-acting
feeds
coals
traps
escaping
expels
trapped
coal feeder
coal feed
elevated temperatures
elevated temperature
pressurized gas
piston coal
trapped gas
double-acting piston
solids feeder
feeding dry
acting piston
solids feed
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