REFRACTORY CONCRETE MIX Russian patent published in 2004 - IPC

FIELD: refractory materials.

SUBSTANCE: refractory concrete mix intended for restoration of and linings for metallurgical assemblies, more particularly for manufacturing wall blocks serving as lining for arc smelting furnaces, contains, wt %: periclase powder filler 20-25, chamotte filler (waste of high-alumina chamotte product fraction 0-5 mm) 10-15, phosphate binder (sodium polyphosphate solution with density 1.3-1.45 g/cm³) 10-15 (above 100%), and, additionally, refractory scrap of magnesia product fraction 0-10 mm as filler 40-50, ferrochrome production slag 3-4, and magnesia cement 15-20.

EFFECT: efficient use of refractory waste formed during restoration of smelting equipment linings and reduced expenses on purchase of refractory products.

2 tbl