Method of producing molten-cast comsilite ctc material for lining non-ferrous metallurgy thermal units. RU patent 2410349.

FIELD: metallurgy.

SUBSTANCE: proposed method comprises preparing mix material by mixing quartz sand powder, metallurgical magnesite, alumina- and fluorine-containing components, smelting of produced mix material, pouring the melt into die, melting, removing casting from die, annealing and cooling. Said alumina- and fluorine-containing components represent aluminium fluoride or magnesium fluoride, and, additionally, potash, taken in the following ratio, wt %: quartz sand - 23.8-38.9, metallurgical magnesite - 15.2-29.4 refractory clay 4.3-31.5 fluoride-containing component - 17.1-18.9, and potash - 15.2-16.8. In preparing mix material, pelletising is additionally performed to produce granules with diametre of 5-20 mm of plastic mass obtained by adding water to aforesaid mix. Granules are dried, annealed at 800-900°C, fused at 1450-1500°C, and cooled down at the rate of 35-45°C/h.

EFFECT: expanded operating performances of proposed lining.

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IPC classes for russian patent Method of producing molten-cast comsilite ctc material for lining non-ferrous metallurgy thermal units. RU patent 2410349. (RU 2410349):

C04B35/66 - Monolithic refractories or refractory mortars, including those whether or not containing clay

C04B28/30 - containing magnesium cements (magnesium oxide cements C04B0028100000)

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