Novel coal combustion method

Details Novel coal combustion method Novel coal combustion method

1990-07-09

1991-03-12

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

110204, 110264, 110345, F23D 100

Patent

active

049984870

ABSTRACT:
This invention is directed to an apparatus for the combustion of coal comprising a heated tubular reactor having combined air and granular coal inlet means for tangentially introducing air and granular coal into the reactor, external heating means, insulation means, and an outlet means wherein the coal is partially burned in the heated tubular reactor to a temperature 50 to 100 degrees Fahrenheit below the fusion temperature of the ash produced from the coal to be used to produce partial combustion products composed of coke, ash and combustion gases. The partially combusted products exiting from the tubular reactor are tangentially introduced with additional air into a second tubular reactor here they are completely burned.

REFERENCES:
patent: 2747526 (1956-05-01), Seidl
patent: 4566392 (1986-01-01), Ishihara

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