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Arrangement for energy recovery in the pure-gas outlet of a centrifugal separator Patent number: 3972698 Abstract: An arrangement for improved energy recovery in the pure gas outlet of a centrifugal separator which includes a cylindrical centrifugal chamber with a coaxial raw gas inlet at one end and a coaxial pure gas outlet at the other end and which is equipped with tangential auxiliary gas inlets in the region of the periphery of the centrifugal chamber inclined at an angle with respect to the raw gas outlet with a particle outlet concentrically surrounding the raw gas inlet, in which the pure gas outlet is conically flared and opens with its larger end into a cylindrical, closed ring chamber which includes a cover plate opposite the open outlet tube. A radially extending plate of a diameter smaller than that of the cylindrical ring chamber is attached to the larger, open end of the conical outlet tube and an aerodynamic body in the shape of a circular cone protrudes from the cover...