Bottom of metallurgical container and process of forming the sam

Details Bottom of metallurgical container and process of forming the sam Bottom of metallurgical container and process of forming the sam

1981-11-30

1983-09-13

Rutledge, L. Dewayne

Metallurgical apparatus

Process

266270, 266282, 266283, 266285, C21C 544

Patent

active

044037686

ABSTRACT:
In a process for forming the bottom of a metallurgical container, especially the bottom of a converter for refining pig iron, of the type which comprises a metallic base, at least one layer of refractory material superimposed on the metallic base, a first layer of refractory bricks superimposed on the layer of refractory material, and a second layer of refractory bricks on said first layer, the steps of placing, spaced from each other, on said first layer a plurality of refractory elements permeable to gas and each enclosed in a metal casing open at the top, circumferentially surrounding the metal casing of each of the elements with bricks of a material which expands during rise of the temperature and thereafter completing the second layer with refractory bricks.

REFERENCES:
patent: 4053147 (1977-10-01), Moser et al.
patent: 4106759 (1978-08-01), Steinegger et al.
patent: 4238121 (1980-12-01), Harita et al.
patent: 4243210 (1981-01-01), Takashima

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