Azipod XO - ABB Ltdfile/Azipod+XO+Installation+.pdfAzipod XO Modules and auxiliaries Azipod...
Transcript of Azipod XO - ABB Ltdfile/Azipod+XO+Installation+.pdfAzipod XO Modules and auxiliaries Azipod...
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© ABB Group November 16, 2010 | Slide 1
Azipod® XO Shipyard Installation
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© ABB Group November 16, 2010 | Slide 2
Azipod XO Modules and auxiliaries
Azipod
Interface Unit
Local
Backup Unit
Electric Steering
Control Unit
Steering
Drives
Propulsion Module
Shaft line
Support
Unit
Steering Module
Slipring Unit
Air Duct (in)
Air Duct (out)
Cooling
Air Unit
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© ABB Group November 16, 2010 | Slide 3
Steering module
The steering module is outfitted in advance
Structure to weld the block to hull
The slewing part for attaching the propulsion module
Slewing bearing
Seals and greasing lines
Steering gear rim
Steering gear motor/gear turrets
Factory acceptance tests are performed before delivery
The slewing bearing oil space is filled before delivery to
avoid corrosion
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© ABB Group November 16, 2010 | Slide 4
Steering module fit preparationsSteel interface
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© ABB Group November 16, 2010 | Slide 5
Steering module installation
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© ABB Group November 16, 2010 | Slide 6
Steering module being lowered into place
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© ABB Group November 16, 2010 | Slide 7
Welding the steering module
Practical at the point at which the ship’s hull is ready to
receive the forces from the steering module
Bottom of the hull ready
Upper deck ready, or supports installed underneath
Strain of hull to be avoided afterwards
Shipyard’s Chief Welder is expected to lead the work
Welding according to shipyard’s standards and
following ABB’s instructions
ABB supervisor inspects all phases of work
Most important is to keep the steering module shape round
Welding order is crucial, regular measurements
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© ABB Group November 16, 2010 | Slide 8
Installation of the propulsion module
After the steering module is welded
Lifting of the propulsion module according to ABB
instructions
Different possibilities for lifting
Chain blocks
Transport wagon
Hull block wagon
Shipyard performs under ABB supervision
Installation made according to ABB instructions
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© ABB Group November 16, 2010 | Slide 9
Lifting example of the propulsion module
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© ABB Group November 16, 2010 | Slide 10
Example of chain blocks
(Ice breaker system, shown
for installation reference only)
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© ABB Group November 16, 2010 | Slide 11
Example 1. of shipyard’s transport wagon
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© ABB Group November 16, 2010 | Slide 12
Example 2. of shipyard’s transport wagon
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© ABB Group November 16, 2010 | Slide 13
Piping and flushing of oil lines
Must be done before connection to the systems
Executed according to ABB Azipod pipe treatment and flushing instructions
Cleanliness is crucial to ensure operation of the system
Turbulent flush to be achieved in piping
Requires an adequate flushing unit on the shipyard
Oil samples taken to prove acceptable results
Surrounding and connection ambient cleanliness is essential
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© ABB Group November 16, 2010 | Slide 14
Azipod installationSlip Ring Unit
(Typical procedure, for
reference only)
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© ABB Group November 16, 2010 | Slide 15
Azipod installationRoom overview with Cooling Air Unit fitted