Dry process gunning of refractory castable

Details Dry process gunning of refractory castable Dry process gunning of refractory castable

1997-03-13

1999-11-02

Beck, Shrive

Coating processes

Spraying

Ingredients supplied separately

427421, 427427, 264 30, B05D 102, B05D 134, F27D 116

Patent

active

059766328

ABSTRACT:
A process for applying a refractory castable onto a surface, comprising the steps of: (a) introducing metered amounts of a clay-free, dry refractory castable into a delivery hose, the dry refractory castable having an alumina content of about 40-95%; (b) conveying the dry refractory to a dispensing assembly under pneumatic pressure; (c) introducing water and a set modifying admixture into the dry refractory prior to dispensing the refractory castable from the dispensing assembly; and (d) spraying the hydraulic refractory castable onto a surface.

REFERENCES:
patent: 4421797 (1983-12-01), Koehne
patent: 4461789 (1984-07-01), Takashima
patent: 4683151 (1987-07-01), Hamaguchi et al.
patent: 4751204 (1988-06-01), Kyoden et al.
patent: 4816155 (1989-03-01), Linderman
patent: 4981731 (1991-01-01), Yorita et al.
patent: 5549745 (1996-08-01), Langenohl et al.
patent: 5628940 (1997-05-01), Allison

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