Shaft furnace for burning or firing and sintering material in lu

Details Shaft furnace for burning or firing and sintering material in lu Shaft furnace for burning or firing and sintering material in lu

1981-12-24

1983-09-13

Camby, John J.

Heating

Shaft type

Having combustion products generated in or fed to shaft

432 79, 432 99, 432101, F27D 108, F27D 1502

Patent

active

044039514

ABSTRACT:
A shaft furnace for burning or firing and sintering material, such as limestone, dolomite, etc in lump or pellet form, in which the cooling air is introduced into the external cooling air duct in the vicinity of the furnace bottom, flows upwardly through duct the air duct and downwards through an internal cooling air duct and then passes from an air outlet of internal cooling air duct positioned in the vicinity of the furnace bottom into a first bustle pipe or the like surrounding the shaft furnace. A combustion air duct is supplied with combustion air from a first bustle pipe. A fuel gas supply line runs within the external cooling air duct.

REFERENCES:
patent: 196056 (1877-10-01), Taylor
patent: 357456 (1887-02-01), Borden
patent: 1390884 (1921-09-01), Chaudiere
patent: 3202405 (1965-08-01), Stanley
patent: 3204936 (1965-09-01), Beckenbach
patent: 3706520 (1972-12-01), Grimm et al.
patent: 4151047 (1979-04-01), Legille et al.

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