HEAT-RESISTANT NON-ROASTING MATERIAL ON BASE OF CLAY-SLAG BINDER Russian patent published in 2006 - IPC C04B28/08 C04B7/153 C04B18/16 C04B35/66 

FIELD: manufacture of building materials; manufacture of heat-resistant articles for lining industrial furnaces and hearths of tunnel furnace cars.

SUBSTANCE: proposed heat-resistant non-roasting material on base of clay-slag binder contains clay, slag of metallurgical process, sodium hydroxide, filler and water. Used as filler is chamotte sand of 0.3-2.5 mm fraction or chamotte brickbats of 0.6-1.25 mm fraction or 1.25-2.5 mm fraction at the following ratio of components, mass-%: clay, 15-17; slag, 22-26; sodium hydroxide, 1; filler, 38-45; water, 11-24. This material is used at temperature of up to 1200°C; its thermal stability is up to 70 water heat exchange cycles.

EFFECT: enhanced efficiency.

2 cl, 4 tbl