Powder mixture for monolithic refractories containing graphite a

Details Powder mixture for monolithic refractories containing graphite a Powder mixture for monolithic refractories containing graphite a

1992-07-31

1993-09-21

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501100, C04B 3554

Patent

active

052468976

ABSTRACT:
Hydrophilic graphite-base powder is provided wherein hydrophilic small particles of such as silicon carbide or silica are mixed with a graphite powder and the small particles are attached to each surface of the graphite particles by performing a mechanical impact treatment in a high-speed gas flow. By combining the graphite-base powders with refractory compound powders of such as magnesia or alumina to be a powder mixture for monolithic refractories containing graphite, a formed body of the powder mixture having a large bulk density can be provided and a service life thereof is comparable to that of a shaped refractory, and labor and energy necessary for the production process and the operation are saved.

REFERENCES:
patent: 4471059 (1984-09-01), Yoshino et al.
patent: 4912068 (1990-03-01), Michael et al.

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