Coal slagging gasifier

Details Coal slagging gasifier Coal slagging gasifier

1995-05-17

1997-05-20

Warden, Robert J.

Gas: heating and illuminating

Generators

Cupola

48 63, 48 76, 48 77, 48DIG2, 110165R, 110171, 266236, B01J 300

Patent

active

056308531

ABSTRACT:
A coal slagging gasifier has a gasifying vessel over a quenching chamber partly filled with water below the surface of which a wall of a cylindrical, metal shield dips. The gasifying vessel has a hearth including a slag tap having a slag outlet with a lowermost opening at substantially the same horizontal level as an annular burner and a ring-shaped nozzle. The burner which surrounds the outlet is spaced therefrom and inset into a recess surrounding the outlet, and the nozzle surrounds the burner. Outlet ports from the nozzle project through a ceiling of the shield to direct a flow of combustion sustaining gas vertically downwards into the quenching chamber from the outlet ports and towards the water. An opening in the centre of the shield ceiling exposes the interior of the shield to the burner and the slag tap outlet. The burner separately supplies fuel gas and combustion air.

REFERENCES:
patent: 4071329 (1978-01-01), Eales
patent: 4073627 (1978-02-01), Anderson
patent: 4078903 (1978-03-01), Eales
patent: 4119411 (1978-10-01), Anderson et al.
patent: 4126427 (1978-11-01), Eales
patent: 4129422 (1978-12-01), Wood
patent: 4177042 (1979-12-01), Wood
patent: 4192654 (1980-03-01), Brooks
patent: 4195978 (1980-04-01), Anderson
patent: 4331450 (1982-05-01), Elliott
patent: 4487612 (1984-12-01), Hebden et al.
patent: 4828578 (1989-05-01), Bleyker
patent: 4992081 (1991-02-01), Bleyker

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