Transcript CRYOSTAR
Module 3.2 Vertical Pump Construction
CENTRIFUGAL PUMP
Module 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 compression
Crude argon recycling
Re-injection
Back-up
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Module 3.2 Vertical Pump Construction
Reminders
Labyrinth
Impeller
diameter
VP
Material
8/145/4L-3,0 C/0
8 stages
Impeller
tipwidth
Speed*100
Vertical
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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 :
Labyrinth
Mechanical
Gas seal
Dual 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)
Outlet of the labyrinth
heating coil
grease retainer
chamber
coupling
leak detector
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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
vent
inducer
diffusor
impeller
outlet
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)
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