TWO-ROTOR CRUSHER Russian patent published in 2000 - IPC

FIELD: mechanical engineering. SUBSTANCE: crusher has cylindrical body with circular concave 2, charging and discharging branch pipes 4 , and two coaxial rotors 5, 6 with hammers 13,14 set one into the other and mounted in body for counterrotation relative to axis. Rectilinear blades 15 are positioned on external rotor 6 at angle to radium of rotor 5 towards movement of internal rotor 5. Crusher makes it possible to raise uniformity coefficient of finished product granulometric composition and to reduce specific power capacity of crushing process. EFFECT: enlarged degree of crushing. 2 dwg