FIELD: manufacture of building materials.
SUBSTANCE: manufacture of ceramic bricks, stones, and blocks comprises (i) preparation of charge containing brick clay, burning-down additive in amount of 20 to 56% on the volume of charge treated with 10% boiled-off liquor, (ii) drying, and (iii) firing. Charge is further supplemented by boiled-off liquor in amount of 1.3-1.7% on the weight of clay.
EFFECT: enabled manufacture of hollow porous ceramic bricks with density 1000 kg/m3 from middle-, moderate-, and low-plastic clays.
2 cl, 3 tbl
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RU2045495C1 |
