Solid refuse furnace

Details Solid refuse furnace Solid refuse furnace

1978-11-09

1980-07-22

Koczo, Michael

Furnaces

With fuel treatment means

Means for liberating gas from solid fuel

110254, 110312, F23G 500

Patent

active

042134048

ABSTRACT:
A new furnace is provided which employs a forced draft to efficiently and cleanly burn a wide variety of fuels such as wood and refuse. The furnace is designed to internally and continuously pyrolyze (gasify) fuel prior to the burning phase which is conducted in a lower chamber of the furnace where air is admitted at a controlled rate. Combustion temperature is maintained at 1800.degree. F. or higher to completely burn gasified fuel by enclosing the burning zone with refractory material and by not extracting sensible heat from the combustion region until after exhaust gases exit the lower chamber. Ash is produced in a fine powder as a consequence of its being removed from the combustion effluent by gravity and cyclonic (i.e. turbulent) separation.

REFERENCES:
patent: 404209 (1889-05-01), Loomis
patent: 742412 (1903-10-01), Gow
patent: 964901 (1910-07-01), Doherty
patent: 1098534 (1914-06-01), Servais
patent: 1523414 (1925-01-01), Gibson
patent: 2210720 (1940-08-01), Johnson et al.
patent: 3190245 (1965-06-01), Huntington
patent: 3707129 (1972-12-01), Kawashimo et al.
patent: 3861332 (1975-01-01), Itasaka

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