FIELD: production of light-weight ceramic materials; manufacture of building materials.
SUBSTANCE: raw mixture contains the following components, mass-%: compacted micro-silica, 15-30; high-calcium flying ash, 61-78.1;spilled material of waste coal lining of electrolyzers, 4.6-4.8;tall oil pitch, 1.9-3.4; sodium carbonate, 0.4-0.8. Method of production of light-weight ceramics from said mixture includes mixing of micro-silica, tall pitch granulated during supply to granulator in the amount of 0.8-1.4 mass-% (in form of aqueous solution of Na2CO3) followed by mixing the granulated micro-silica with high-calcium flying ash and spilled material of crushed coal lining of electrolyzers and introducing tall pitch in form of technical foam in the amount of 1.1-2 mass-%.
EFFECT: improved heat-protective properties; reduced usage of materials.
3 cl, 2 tbl, 1 ex
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