Cyclone separators design factors

Six-tenths factor, 47 Yearly cost indices, 47 Critical flow, safety-relief, 438 Back pressure, 440 Sonic flow, 438 Critical flow, see Sonic Cyclone separators, 259-269 Design, 260-265 Efficiency chart, 263 Hydroclones, 265-267 Pressure drop, 263, 264 Scrubber, 269 Webre design, 265 Deflagration venting nomographs,... 

As an example - to produce an overflow of 80 % passing 149 p (100 mesh), the multiplier from Table 3 at 80 % passing is 1.25. The micron size for the application is 149 p (100 mesh). The D50c required = 1.25 x 149 = 186 p for the application. The separation that a cyclone/hydroclone can achieve can be approximated from the following relation. The Dc50 (base) for a given diameter cyclone is multiplied times a series of correction factors designated by C, C2, and C3 ... 

The following sections will show that the vortex end significantly influences the behavior of cyclones and swirl tubes. Its nature, and the factors governing its position, should therefore be well understood by anyone who designs such cyclonic type separators, and this topic should be given high priority in cyclone research at this time. 

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