Process for the preparation of granular refractory material

Details Process for the preparation of granular refractory material Process for the preparation of granular refractory material

1983-08-31

1986-04-15

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Application of solids to material

241 23, B02C 1912

Patent

active

045822620

ABSTRACT:
A process for the preparation of a granular refractory material for producing chemically bonded and/or tar-bonded linings of improved durability, especially in the form of bricks, for metallurgical vessels is disclosed. Magnesite or schamotte particles are impregnated with hot tar, pitch, bitumen, asphalt or mixtures thereof and are then heated under coking conditions. In impregnating the magnesite particles, finely divided calcium hydroxide, in an amount sufficient to improve the CaO/SiO.sub.2 ratio of the magnesite, is uniformly dispersed in the hot tar, pitch, bitumen, asphalt or mixtures thereof serving as the impregnating material.

REFERENCES:
patent: 2112333 (1938-03-01), Crew
Die Edelstahl Erzeugung, 2nd Edition, 1965, pp. 381 & 753.

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