The cyclone is a cylindrical-shape suppression system in the upper part and conical in the lower part. The principle on which it is based is the centrifugal force that enables the separation of powder particles from a gas current to which a rotary motion has been imposed. The rotary motion occurs thanks to the tangential inlet on the body of the cyclones; this generates a centrifugal acceleration that acts on particles in an analogous way to the weight force, but in radial direction.