Page 292 - 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:

(4-54)

( 4- 55)

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

W/De = 1/8 to 3/8
He/De= 1.0
Figure 4-43. Helical entry
cyclone. Courtesy of The Ducon De/De= 1/4 to 3/4
Co., Inc.
For the typical cyclone of Figure 4-41 with tangential
inlet:

KWiHc
(4-56)
Oust D 2
c

K = 16.0
Fev = 8.0

-NOTE-
BY-PASS IS OPTIONAL., DUE TO
LOADING AND WHEN USED IS
PROPORTIONAL TO THE FlOW
THRU THE IJNIT.

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.