Page 290 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

262 Applied Process Design for Chemical and Petrochemical Plants

(b) Internal cyclone friction loss:

FcV = APN + 1 - [q] (4- 54)
2

nD e
APm = K (21 (4-55)
2

K has been found to be constant at 3.2 for cyclones
with an involute entrance

WJD, = 1/8 to 3/8
HJD, = 1.0
Figure 4-43. Helical
cyclone. Courtesy of The D,/D, = 1/4 to 3/4
Go., Inc.
For the typical cyclone of Figure 441 with tangential
inlet:
Vortex Shield
KW H
(4-56)

L .. . .. .
Outlet,

S -NOTE-
BY-PASS IS OPTIONAL, DUE TO
LOADING AND WHEN USED IS
PROPORTIONAL 70 THE FLOW
THRU THE IJNlT
Lower Cone
-HOPPER

Figure 4-44. Involute entry
cyclone. By permission, American
Blower Div. American Radiator
and Standard Sanitary Corp. Figure 4-45. Stationary vane centrifugal separator. Courtesy of Centrifix Corp.