Apparatus and method for feeding coal into a coal gasifier. [US DOE patent]

Patent · Tue May 08 00:00:00 EDT 1979

OSTI ID:5571255

Bissett, L A; Friggens, G R; McGee, J P

This invention is directed to a system for feeding coal into a gasifier operating at high pressures. A coal-water slurry is pumped to the desired pressure and then the coal is dried prior to feeding the coal into the gasifier by contacting the slurry with superheated steam in an entrained bed dryer for vaporizing the water in the slurry.

• Assignee: Dept. of Energy
• Patent Number(s): US 4153427
• OSTI ID: 5571255
• Resource Relation: Patent File Date: Filed date 23 Feb 1978; Other Information: PAT-APPL-880,820
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL GASIFICATION PLANTS
FUEL FEEDING SYSTEMS
COAL
DRYERS
SLURRIES
STEAM
WATER
CARBONACEOUS MATERIALS
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUEL SYSTEMS
FUELS
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
MIXTURES
OXYGEN COMPOUNDS
SUSPENSIONS
010404* - Coal
Lignite
& Peat- Gasification
013000 - Coal
Lignite
& Peat- Transport
Handling
& Storage