Page 343 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

Mixing of Liquids 311

Jet from Open Pipe
l=f��ai

Vortex
-r- ::J =:;=:

Side Viu, Bottom View Jet from Contracted Jel from Morine Type
Pipt or Nozzle
Propel!er
Figure 5-23A. Fluid flow pattern for propeller mounted center with
no baffles. Note vortex formation. By permission, Lightnin (formerly
Mixing Equipment Co.), a unit of General Signal. l
p "d-
-i==!�=:,=l==

Figure 5-23E. Entraining mixing jets. By permission, Rushton, J. H.,
Petroleum Refiner, V. 33, 1954, p. 101 [17].

Method A Preferred
U nless Liquid Density
j Cousing Covitotion)
Greotly Different er
opor Pressure is Hioh
:::::::::: :::::_
Side View Bottom View - -
_ Turbulent
-
- -.Core
Figure 5-238. Fluid flow pattern for propeller mounted center with B ; ._ -
baffles, axial flow pattern. By permission, Lightnin (formerly Mixing
Equipment Co.), a unit of General Signal.
Figure 5-23F. Introducing liquid during mixer operation. By permis-
sion, Rushton, J. H., Petroleum Refiner, V. 33, 1954, p. 101 [17].

Proper Propeller Position: No Vortex Will Result
Side View Bottom View
Mixer
Clockwi
Figure 5-23C. Fluid flow pattern for turbine mounted on-center with Rotolil
baffles, radial flow. By permission, Lightnin (formerly, Mixing Equip-
ment Co.), a unit of General Signal.

Mixer
Clockwise
Rotation

Side View Side View Propeller Turning Counter· Wrono Positions: A Swirl ond Vortex Will Result
Clockwise Looking Down
on Sha:t
Figure 5-23G. Side-entering propeller mixer position, large tanks. By
Figure 5-230. Fluid flow pattern for propeller mounted in angular- permission, Rushton, J. H., Petroleum Refiner, V. 33, 1954, p. 101
off-center position. By permission, Lightnin (formerly, Mixing Equip- [17].
ment Co.), a unit of General Signal. (Figure 5-2) continued Oil next page)