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Module 3.2 Vertical Pump Construction
CENTRIFUGAL PUMPModule 3.2 Vertical Pump Construction
www.cryostar.com [email protected]
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Module 3.2 Vertical Pump Construction
Main Uses are:
Air separation
Liquefaction plants.
Various applications:
Internal compressionCrude argon recyclingRe-injectionBack-up
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Module 3.2 Vertical Pump Construction
8 stages
Vertical
VP 8/145/4L-3,0 C/0
RemindersImpeller
diameter
Impeller tipwidth
Labyrinth
Speed*100
Material
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Module 3.2 Vertical Pump Construction
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Module 3.2 Vertical Pump Construction
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Module 3.2 Vertical Pump Construction
Principles
Vertical pumps divided in Three parts:
Cold End
Warm box or Intermediate piece
Motor Side
Single and Multi stage pumps
Cold box installation with thermal barrier
All seal types available
Cold end with direct coupled motor.
Synchronous speed (50/60Hz) or variable speed
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Module 3.2 Vertical Pump Construction
VP construction
Drive shaft with coupling
Shaft seals :
LabyrinthMechanicalGas sealDual Gas seal
Total mass supported by mounting flange
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Module 3.2 Vertical Pump Construction
Construction: Warm box (Intermediate piece on VP)
grease retainerchamber
leak detector
coupling
heating coil
Outlet of the labyrinth
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Module 3.2 Vertical Pump Construction
Construction: Warm box (cont’d)
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Module 3.2 Vertical Pump Construction
Construction: Warm box (cont’d)
Heater on motor side
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Module 3.2 Vertical Pump Construction
Construction: Cold end
inducerdiffusorimpelleroutlet
vent
inlet
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Module 3.2 Vertical Pump Construction
Construction: Cold end (cont’d)
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Module 3.2 Vertical Pump Construction
Construction: Cold end (cont’d)
