Apparatus for centrifugal separation of solid and/or liquid particles from a flow of gas

An apparatus for centrifugal separation of solid and/or liquid particles from a flow of gas, where two or more rotors are arranged in a surrounding, stationary casing, which delimits a common collection chamber for particles separated in the rotors and in which the rotors are rotatably mounted, said casing having at least one inlet for the flow of gas to be cleaned from particles, and at least one particle outlet for the discharge of particles separated and collected in the casing, wherein each rotor has a plurality of adjacent conical surface elements with an inside facing the rotor axis and on which the particles in the gas flow can be trapped by centrifugal forces during the radial passage inwardly of the gas through flow gaps between the surface elements, said surface elements of each rotor delimits at least one axial outlet shaft in the central part of the rotor which communicates with the flow gaps between the surface elements and from which cleaned gas can be discharged out of the casing by means of a fan rotating together with each rotor for generating the flow of gas through the apparatus, said fan being located adjacent to an outlet end of the shaft, and all fans of the rotors being arranged in a common fan housing that is separate from and adjacent to the casing defining the collection chamber for a common discharge of cleaned gas from the rotors.