Process for reducing slag build-up

Details Process for reducing slag build-up Process for reducing slag build-up

1981-12-21

1983-03-22

Dees, Carl F.

Furnaces

Process

Treating fuel constituent or combustion product

110244, 110342, 44 5, F23B 700, C10L 1004

Patent

active

043771181

ABSTRACT:
The present invention provides a method for reducing slag build-up in cyclone furnaces comprising introducing into a cyclone furnace at least one of a slag viscosity modifier and a combustion adjuvant, wherein a substantial portion thereof is conveyed to the walls of the furnace by addition through the secondary air stream. Preferably the additives are formed as particles of sufficient size and density that they are driven directly to the walls of the furnace. This method alleviates slag build-up caused by the presence of uncombusted coal particles at the walls and increases the temperature environment at the walls.

REFERENCES:
patent: 1894682 (1933-01-01), Haas
patent: 3048131 (1962-08-01), Hardgrove
patent: 3179074 (1965-04-01), Clark et al.
patent: 3180289 (1965-04-01), Steinert
patent: 3332755 (1967-07-01), Kukin
patent: 3738819 (1973-06-01), Milner et al.
patent: 4057398 (1977-11-01), Bennett et al.
patent: 4132180 (1979-01-01), Fredrick

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