FIELD: manufacture of building materials. SUBSTANCE: alumino-silicon crude is charged into mixer-granulator, wetted, and stirred. Granulation is carried out by means of rotation with constant speed of ring cup and rotor stirrer. When material is wetted, rotation speed of rotor stirrer is increased from 5 to 50 m/s proportionally to amount of netting agent added. After completion of granule formation, mixer-granulator is additionally loaded with crushed aluminum raw material in amount 10 to 50% of weight of charge at rotor stirrer rotation speed 5-25 m/s. EFFECT: increased strength of granules and increased yield of desired granule fraction. 3 cl, 1 tbl
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Authors
Dates
1999-05-10—Published
1998-01-09—Filed