Refractory coated iron-based pipe

Details Refractory coated iron-based pipe Refractory coated iron-based pipe

1992-10-26

1994-03-22

Rosenberg, Peter D.

Metallurgical apparatus

Means for introducing fluent into vessel, e.g., tuyere

75533, C21C 532, C21B 716

Patent

active

052956695

ABSTRACT:
A thermally stable refractory coating for iron-based piping and a method of forming the same is provided. The refractory coating comprises from about 30 to about 35 weight percent sodium silicate; from about 31 to about 36 weight percent course silica, about 80 to about 200 mesh; from about 12 to about 16 weight percent fine silica, about 325 to about 400 mesh; from about 1 to about 6 weight percent hydrated aluminum silicate clay; from about 1 to 4 weight percent graphite; from about 0.8 to about 0.9 weight percent sodium aluminate; and, from about 3 to about 5 weight percent magnetite M.S-200.
The invention also concerns a method of forming the above-described coating on iron-based piping.

REFERENCES:
patent: 4783057 (1988-11-01), Sullins

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