METHOD OF PRODUCTION OF FILLER FOR CONCRETE Russian patent published in 2016 - IPC C04B20/06 C04B20/10 

FIELD: construction.

SUBSTANCE: method of production of a filler for concrete includes the preparation of a mass on the basis of fusible clays capable to swell in conditions of heat treatment, its moistening up to 17-26%, formation of granules, application on the surface of the formed granules of a dust layer which is formed at flax processing, drying of the granules down to the humidity of 1-6%, roasting of the granules at the temperature of 1100°C, cooling of the granules down to the temperature of 20-50°C.

EFFECT: prevention of the formed filler granules adhesion among themselves, increase of adhesion of the filler with cement stone.

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