HEAT-RESISTANT CONCRETE MIX

FIELD: manufacture of building materials. ^ SUBSTANCE: invention concerns compositions of refractory heat-resistant concretes used when making complex-configuration non-molded linings, e.g. when manufacturing baffles and bottom of electric resistance furnace for smelting silicon carbide according to...

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Hauptverfasser:	KHOLODENKO VLADLEN FEDOROVICH, SHUMJACHER VJACHESLAV MIKHAJLOVICH, ORLOVA TAT'JANA NIKOLAEVNA, NADEEVA IRINA VLADIMIROVNA, PUSHKARSKAJA OL'GA JUR'EVNA, CHERNAVIN VSEVOLOD SERGEEVICH, FORIKOV ALEKSEJ IVANOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	FIELD: manufacture of building materials. ^ SUBSTANCE: invention concerns compositions of refractory heat-resistant concretes used when making complex-configuration non-molded linings, e.g. when manufacturing baffles and bottom of electric resistance furnace for smelting silicon carbide according to nonfiring technology, operated under periodic heating-cooling conditions (maximum baffle temperature 700C) and at watering. Heat-resistant concrete mix is composed of, wt %: quartz sand 30, broken granite 0-20, Portland cement 30, black silicon carbide fine fractions and/or joins and cakes green silicon carbide fine fractions 18-38, superphosphate 0.5, and polyvinyl alcohol (as plasticizer) 1.5. ^ EFFECT: increased heat resistance of products and accelerated manufacture thereof. ^ 2 tbl