| 摘要 |
A cyclone separator, for the separation of particulate materials from a particle-bearing gas or vapour, in which the particle-bearing gas or vapour is injected into a separating chamber (10), and the particles centrifuged to a separating chamber wall (12) of the separating chamber (10) for collection, the separating chamber wall (12) being wetted by a liquid to assist in collection of the centrifuged particles from the separating chamber wall (12 ), the separating chamber wall (12) being at least partly porous, the separatin g chamber wall (12) being wetted by the passage of the liquid through the poro us part, to provide a more uniform wetting of the separating chamber wall (12), and hence more efficient particulate collection than previously achieved by prior art methods. The cyclone separator of the invention may also be used f or the separation and collection of gas or vapour-borne vapours, in place of particulates. An instrument for the separation, collection and detection and/or analysis of gas or vapour-borne materials using a cyclone separator i n accordance with the invention is described.
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