METHOD OF PRODUCTION OF CUBE-SHAPED CRUSHED STONE IN INERTIAL CONE-TYPE CRUSHER Russian patent published in 2004 - IPC

FIELD: production of cube-shaped crushed stone. SUBSTANCE: proposed method includes regulation of static moment of drive unbalanced vibrator; unloading gap exceeds maximum size of piece of product of preset granulometric composition by 1.3-2 times and rotational speed of unbalanced vibrator is equal to 85±3% of its nominal certified magnitude; material is loaded by gravity directly from bin under pressure of its column of 1-6 t/sq m at crushing chamber inlet; static moment of unbalanced vibrator is set depending on given dependence. Proposed method makes it possible to obtain crushed stone at size of 20 to 5 mm at cube shape of 95% and screening of particles lesser than 5 mm in size not exceeding 25%. EFFECT: enhanced efficiency. 4 ex