Recovery boiler for combustion of waste liquors

Details Recovery boiler for combustion of waste liquors Recovery boiler for combustion of waste liquors

1994-10-06

1998-09-08

Bennett, Henry A.

Liquid heaters and vaporizers

Industrial

Waste heat

110238, F22D 100

Patent

active

058030204

ABSTRACT:
The invention relates to a recovery boiler for combustion of waste liquors. It comprises a furnace whose base and walls include a multiplicity of liquid-cooled tubes and whose base (21) constitutes a collection point for inorganic substances in molten form, with air and waste liquor being introduced into the furnace and the combustion gases being conveyed upwards in the boiler. The invention is characterized essentially in that the cross-sectional area of the furnace at a first lower level (1) exceeds the cross-sectional area of the furnace at a second level (2) higher up in the furnace.

REFERENCES:
patent: 2198446 (1940-04-01), Wilcoxson
patent: 2631932 (1953-03-01), Patterson et al.
patent: 2911284 (1959-11-01), Hochmuth
patent: 3168074 (1965-02-01), Kuhner et al.
patent: 3215099 (1965-11-01), Coulter, Jr.
patent: 3403642 (1968-10-01), Parkin
patent: 3413936 (1968-12-01), Matthews
patent: 4014296 (1977-03-01), Astrom
patent: 4462319 (1984-07-01), Larsen
patent: 5603803 (1997-02-01), Raak

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