Treated refractory material and methods of making

Details Treated refractory material and methods of making Treated refractory material and methods of making

C - Chemistry, Metallurgy

04

B

C04B 35/12 (2006.01) C04B 41/50 (2006.01)

Patent

CA 2679382

A treated refractory material includes a sintered porous refractory material having one or more protective materials disposed within pores of the refractory material, wherein the protective material is selected from the group consisting of aluminum oxide, chromium oxide, silica, rare earth oxides, rare earth zirconates, titanium oxide, mullite, zirconium oxide, zirconium silicate, yttrium oxide, magnesium oxide, iron oxide, and blends thereof. Methods of preparing the treated refractory material are also provided. The treated refractory material provides protection from the penetration of slag and extends the service life of the refractory.

L'invention concerne un matériau réfractaire traité comprenant un matériau réfractaire poreux fritté ayant un ou plusieurs matériaux de protection disposés dans les pores du matériau réfractaire. Le matériau de protection est choisi parmi le groupe comprenant l'oxyde d'aluminium, l'oxyde de chrome, la silice, les oxydes de terres rares, les zirconates de terres rares, l'oxyde de titane, la mullite, l'oxyde de zirconium, le silicate de zirconium, l'oxyde d'yttrium, l'oxyde de magnésium, l'oxyde de fer et les mélanges de ceux-ci. L'invention porte également sur les procédés de préparation du matériau réfractaire traité. Le matériau réfractaire traité offre une protection par rapport à la pénétration de scories, et prolonge la durée d'utilisation du matériau réfractaire.

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