RAW MEAL AND A METHOD FOR MANUFACTURING WALL CERAMICS Russian patent published in 2004 - IPC

FIELD: manufacture of building materials. SUBSTANCE: raw meal includes clay material and additives. The former, in particular, is carbonized loam with 20-25% carbonates and the latter microsilica and brine, all taken in following proportions: 82-94% carbonized loam, 5-15% microsilica, and 1-3% brine. Wall ceramics manufacture method comprises preparing raw meal, molding, drying, and firing. Microsilica is granulated while 1-3 wt % of brine with density 1.197-1.202 kg/l is fed into granulator, after which carbonized loam is admixed. EFFECT: extended raw materials base, increased frost resistance, and reduced consumption of materials. 2 cl, 2 tbl