Process for producing iron and refractory material

Details Process for producing iron and refractory material Process for producing iron and refractory material

1982-03-08

1983-08-02

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 27, 75 30, 75 40, 106104, 106117, C21B 304

Patent

active

043964222

ABSTRACT:
There is disclosed a process for producing iron and refractory material for use as a raw material for a refractory brick and as an aggregate for a castable refractory product. A mixture of aluminum smelting residue and scale is introduced into a furnace. The mixture is melted in the furnace and a thermit reaction is generated. After the completion of the thermit reaction, a molten iron and a molten slag are cooled. Particularly the molten slag is gradually cooled. The slag is crushed to form the refractory material.
Alternatively, in order to produce iron and alumina cement, quicklime and/or limestone are further introduced into the furnace. The molten slag is cooled rapidly to form a clinker. The clinker is crushed to a powder size to form the alumina cement.

REFERENCES:
patent: 4047942 (1977-09-01), Clark et al.

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