Furnaces – Process – Burning pulverized fuel
Patent
1984-09-12
1986-01-21
Favors, Edward G.
Furnaces
Process
Burning pulverized fuel
110244, 110245, 110263, 122 4D, F23D 100
Patent
active
045651396
ABSTRACT:
A low BTU, low volatile content, low carbon and high ash fuel is combusted in a combined shaft kiln combustor and fluidized bed combustor to generate heat which is converted to useful energy. The fluidized bed combustor is mounted vertically above the shaft kiln combustor. A venturi is provided in a passageway connecting the shaft kiln combustor and the fluidized bed combustor to produce a gaseous stream moving at a velocity sufficient to separate finer particles from the low BTU, low volatile content, low carbon and high ash fuel so that the coarser particles are burned in the shaft kiln combustor and the finer particles are burned in the fluidized bed combustor.
REFERENCES:
patent: 4397248 (1983-08-01), Mehta et al.
patent: 4475472 (1984-10-01), Adrian et al.
patent: 4485747 (1984-12-01), Pershing et al.
Sage Warnie L.
Stringfellow Thomas E.
Favors Edward G.
Innis E. Eugene
Rodgers Mark L.
Simmons James C.
Stearns Catalytic World Corp.
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