Method of burning lightly loaded coal-water slurries
In a preferred arrangement of the method of the invention, a lightly loaded coal-water slurry, containing in the range of approximately 40% to 52% + 2% by weight coal, is atomized to strip water from coal particles in the mixture. Primary combustor air is forced around the atomized spray in a combustion chamber of a combustor to swirl the air in a helical path through the combustion chamber. A flame is established within the combustion chamber to ignite the stripped coal particles, and flame temperature regulating means are provided for maintaining the flame temperature within a desired predetermined range of temperatures that is effective to produce dry, essentially slag-free ash from the combustion process.
- DOE Contract Number:
- AC02-76CH00016
- Assignee:
- Dept. of Energy
- Application Number:
- ON: DE85011639
- OSTI ID:
- 5898621
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
FUEL SLURRIES
COMBUSTION
ATOMIZATION
BURNERS
COAL
IGNITION
MIXTURES
WATER
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
MATERIALS
OXIDATION
OXYGEN COMPOUNDS
SLURRIES
SUSPENSIONS
THERMOCHEMICAL PROCESSES
014000* - Coal
Lignite
& Peat- Combustion