METHOD FOR MANUFACTURING OF PERICLASE-SPINEL FIRE-RESISTANT MASS FOR PRODUCTION OF OBJECTS Russian patent published in 2010 - IPC C04B35/43 

Abstract RU 2383512 C1

FIELD: construction.

SUBSTANCE: method for manufacturing of periclase-spinel fire-resistant mass for production of objects includes preparation of components, mixing of grain component represented by periclase and aluminium-magnesium spinel and dispersed component of 0.063-0 mm fraction represented by periclase and zirconium-containing additive in the form of brazilite or technical zirconium dioxide in mixer. At the same time mixing of components is carried out until 2-10 wt % of dispersed periclase is produced in mass with fraction of 0.063-0 mm as a result of grainy periclase abrasion in mixer, at the following ratio of components, wt %: grainy periclase - base; grainy aluminium-magnesium spinel - 7-25; disperse periclase of fraction 0.063-0 mm, loaded into mixer - 10-32; disperse zirconium-containing additive of fraction 0.063-0 mm in the form of brazilite or technical zirconium dioxide - 0.6-5.5, at the same time total content of disperse component of fraction 0.063-0 mm in mass makes 25-37 wt %.

EFFECT: improved strength in case of objects compression and twisting.

2 cl, 1 ex, 4 tbl

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RU 2 383 512 C1

Authors

Aksel'Rod Lev Moiseevich

Trisvetov Aleksej Anatol'Evich

Kvjatkovskij Oleg Vjacheslavovich

Dates

2010-03-10Published

2008-09-22Filed