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Module 3.2 Vertical Pump Construction

CENTRIFUGAL PUMPModule 3.2 Vertical Pump Construction

www.cryostar.com contact@cryostar.com

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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)