ROTATING FILTER

A continuous rotational filter, suitable for are in the production of rock wool with an ingress channel for the passage of the technological air form the collection chamber and an egress channel for the conveyance of the depurated air preferably into a smokestack, is composed of: an inner cylinder (1) and an outer cylinder (2), a telescopic pipe (9) with suction nozzles (8) and sprinkling nozzles (12). The inner cylinder (1) and the outer cylinder (2) rotate synchronously in opposite directions. The telescopic pipes (9) are axially movable over the entire active surface of the rotational filter (3), and have suction nozzles (8), sprinkling nozzles (12) and blowing nozzles (13) fixed thereto.