TROMMEL SCREEN Russian patent published in 1995 - IPC

FIELD: manufacture of building materials. SUBSTANCE: trommel screen has a screen, a jacket, a sieve drum, and a rotor with blades. The blades are equipped with shelves and paddles. The paddle ends are located nearer to the surface of the sieve drum than the blade ends. The blade shelves are located at an acute angle to the paddle plane and face the rotation side of the rotor. The jacket is equipped with charging and discharging fixtures. The rotor and the sieve drum are brought into rotation from the drive. EFFECT: enhanced quality of screening the loose materials, dust elimination and classification of asbestos concentrates. 6 dwg