CPC F27D 1/12 (2013.01) [F27D 1/02 (2013.01); F27D 11/08 (2013.01); F27D 2009/0016 (2013.01); F27D 2009/0067 (2013.01)] | 19 Claims |
1. A spray-cooled roof for a metallurgical furnace, the spray-cooled roof comprising:
a hollow metal roof section, the hollow metal roof section comprising:
an outer metal cover;
an inner metal plate spaced from and opposite the outer metal covering member, the inner metal plate configured to face an interior of a metallurgical furnace;
an enclosed space disposed between the outer metal cover and the inner metal plate; and
a spray-cooled system disposed in the enclosed space wherein the spray-cooled system comprises:
a coolant supply header conduit attached to fluid outlets;
an evacuation drain fluidly coupled to the enclosed space; and
a venturi pump disposed above the inner metal plate and integrated into the spray-cooled roof, the venturi pump coupled to the evacuation drain, wherein the venturi pump comprises:
a motive inlet fluidly coupled to the coolant supply header.
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