Lid of preformed refractory material for metallurgical melting f

Details Lid of preformed refractory material for metallurgical melting f Lid of preformed refractory material for metallurgical melting f

1993-11-29

2000-01-25

Kastler, Scott

Metallurgical apparatus

Linings

Having particular lining element shape

432250, 52604, 266286, C21B 702

Patent

active

060174870

ABSTRACT:
A lid for a melting furnace includes preformed refractory side panels in the form of circular sectors and a center panel in the form of a circular or octagonal closure. The side panels are inclined upward and inward from support provided by a lid ring encircling the lid. The center panel is horizontal. The edges of the panels are according to one embodiment beveled to mutually support one another and contain keyways filled with keys that structurally interconnect the panels. The side panels may include a plurality of blocks with step portions for mutual engagement between a corresponding skewback and the center panel.

REFERENCES:
patent: 1524033 (1925-01-01), Hawke
patent: 3434263 (1969-03-01), Beckman et al.

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