Furnaces – Process – Treating fuel constituent or combustion product
Patent
1982-04-01
1984-07-10
Favors, Edward G.
Furnaces
Process
Treating fuel constituent or combustion product
44 4, 110347, F23B 700
Patent
active
044586060
ABSTRACT:
In a coal fired boiler of the type having a combustion zone in which said coal is fired, a convection zone located downstream from said combustion zone and having a plurality of heater tubes disposed therein adapted to heat water or steam disposed therein, and in which convection zone combustion residues emanating from said coal have a tendency to stick to or agglomerate upon said tubes, a method of decreasing said tendency to stick or agglomerate, comprising burning said coal in the presence of an additive consisting essentially of amorphous silica particles, substantially all of said particles being greater than about 38 microns in diameter.
REFERENCES:
patent: 3249075 (1966-05-01), Nelson et al.
patent: 4253408 (1981-03-01), Kramer
patent: 4329324 (1982-05-01), Jones
patent: 4369719 (1983-01-01), Engstrom et al.
patent: 4372227 (1983-02-01), Mahoney et al.
Betz Laboratories Inc.
Favors Edward G.
Peacock Bruce E.
Ricci Alexander D.
Warner Steven E.
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