Refractory mixture and elastifier for the same and method...

Details Refractory mixture and elastifier for the same and method... Refractory mixture and elastifier for the same and method...

C - Chemistry, Metallurgy

09

K

C09K 21/02 (2006.01) C04B 35/043 (2006.01) C04B 35/06 (2006.01) C04B 35/101 (2006.01) C04B 35/63 (2006.01)

Patent

CA 2379883

The invention relates to a refractory mixture, in particular for the production of refractory moulded bodies, the mixture comprising a refractory metal oxidic main component in an amount ranging from 80 wt. % to 99.5 wt. %, and a granular elastifying component comprising a mineral emery, the mineral emery substantially comprising Fe2O3 and Al2O3. The mixture may further comprise a binding component such as lignin sulphonate. The invention further relates to a method for producing and using the refractory mixture.

La présente invention a pour objet un mélange réfractaire, en particulier pour la production d'articles moulés réfractaires. Ledit mélange comprend un composant principal réfractaire à base d'oxyde métallique en quantité allant de 80 à 99,5 % en poids et un composant granulaire élastifiant comprenant un émeri minéral, cet émeri minéral étant composé en grande partie de Fe2O3 et de Al2O3. Le mélange peut aussi comprendre un agent liant comme du sulfonate de lignine. La présente invention a aussi pour objet une méthode pour produire et utiliser ledit mélange réfractaire.

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