RU2002110188A - Aerated concrete mixture and method for its preparation - Google Patents

Claims (3)

1. Aerated concrete mixture, including Portland cement, lime, ground quartz sand, aluminum powder and wastes from the production of aerated concrete mixture, characterized in that it additionally contains gypsum, and alkaline reverse sludge with pH> 10 made from technological processes is used as waste from the production of aerated concrete mixture waste cutting raw mass in the following ratio, wt.%: Portland cement 15-30 Lime 15-20 Ground Quartz Sand 30-42 Aluminum powder 0.03-0.10 Alkaline back cuttings 15-20 Gypsum 1.5-2.0 Water Else 2. A method of preparing aerated concrete mixture, including the preparation and mixing of components and wastes of production of aerated concrete mixture in a mixer, characterized in that as wastes of the production of aerated concrete use waste cutting raw solid, which is washed with water in a tank where alkaline reverse sludge with pH> 10 by constant mixing and dispersion, then served in the mixer, where they are dosed and mixed together with other components in the following sequence: ground quartz sand, alkaline about inverse sludge, cement, lime, gypsum, aluminum powder. 3. A method of preparing a cellular concrete mixture according to claim 2, characterized in that part of the alkaline reverse sludge from the tank is fed into the sludge pool for further mixing and averaging.