Method of repairing or renewing a worn refractory plate of a sli

Details Method of repairing or renewing a worn refractory plate of a sli Method of repairing or renewing a worn refractory plate of a sli

1986-07-29

1989-01-31

Rolla, Joseph J.

Dispensing

Processes of dispensing

Molten metal

222600, 266236, 2940211, B22D 4108

Patent

active

048010553

ABSTRACT:
A worn and damaged refractory plate having a planar sealing surface with a sealing area at a first portion of the plate and a discharge opening extending through the plate at a second area is repaired or renewed by providing the damaged plate with a new discharge opening at the sealing area. The damaged, first-mentioned discharge opening and the wear area therearound are filled with refractory material to a level flush with the sealing surface, thereby forming a new sealing area.

REFERENCES:
patent: 4434540 (1984-03-01), Cappelli
patent: 4445262 (1984-05-01), Cappelli
patent: 4546815 (1985-10-01), Liebermann et al.
patent: 4702460 (1987-10-01), Muschner
Russian Language Document "Modern Methods in the Operation of Cupola Furances", 1960, pp. 28-31, by A. A. Ananjin.

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