| 摘要 |
Cyclone for separating specifically heavier substance from flowing media containing the substance includes a cylindrical part, a conical part connected to said cylindrical part, and an inlet duct for the flowing media communicating at an end thereof with the cylindrical part, the end of the inlet duct being generally in the form of a venturi nozzle and including in succession a continuously narrowing first duct part, a second duct part of uniform cross section connected thereto, and a continuously widening third duct part connected to the second duct part, the second duct part having a cross sectional area of at most 0.05 D2, where D is the diameter of the cylindrical part, at least the second and third duct parts being curved spirally about the axis of the cylindrical part and being connected to the cylindrical part so as to supply the flowing media in substantially tangential direction into the cylindrical part.
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