January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and...
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![Page 1: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/1.jpg)
January 30, 2007
Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and
Maintenance
G. Sviatoslavsky,
M. Sawan (UW), A.R. Raffray (UCSD),
![Page 2: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/2.jpg)
January 30, 2007 Fusion Technology Institute 2
Outline
• Chamber Layout
• Blanket Maintenance
• Dump Maintenance
• Design Assessment in Terms of Givens and Druthers
![Page 3: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/3.jpg)
January 30, 2007 Fusion Technology Institute 3
Chamber Cut-away
Magnets
Pole Blanket module
Mid Blanket modules(16 upper & 16 lower)
Ring Cusp Armored Dump
Polar Cusp Armored Dump Module
Shield/VV
![Page 4: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/4.jpg)
January 30, 2007 Fusion Technology Institute 4
Nested polar modules allow VV access without disturbing beam ducts or magnets
VV Module housing Polar Blanket
External manifold (not shown) allows hands-on pipe connection & disconnection
VV Module Housing Polar Cusp Armored Dump
![Page 5: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/5.jpg)
January 30, 2007 Fusion Technology Institute 5
Blanket Maintenance Scheme
Self-contained remote handling system attaches vessel at pole
![Page 6: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/6.jpg)
January 30, 2007 Fusion Technology Institute 6
Blanket Maintenance Scheme
![Page 7: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/7.jpg)
January 30, 2007 Fusion Technology Institute 7
Blanket Maintenance Scheme
![Page 8: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/8.jpg)
January 30, 2007 Fusion Technology Institute 8
Blanket Maintenance Scheme
![Page 9: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/9.jpg)
January 30, 2007 Fusion Technology Institute 9
Blanket Module with Frame and Coolant Manifold
Module Frame Coolant inlet and outlet manifolds
Chamber attachment points
• Frame is one option
• Provides module/vessel clearance required for manifold
• Frame requires cooling
• Another option: mount attachment points directly onto sub-modules
• Another manifold option is to have concentric inlet/outlet piping
![Page 10: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/10.jpg)
January 30, 2007 Fusion Technology Institute 10
Tee Nut Remote Fasteners
Nut Bar mechanism integrated into chamber and manipulated from outside of chamber
Fixed mounting receptacles mounted on module frame•Captive nut / bolt fasteners
•Utilized in TPX divertor module mounting
•Allows some lateral movement to accommodate thermal expansion
•Fastener tightened outside the chamber due to space constraints at module/chamber interface
![Page 11: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/11.jpg)
January 30, 2007 Fusion Technology Institute 11
Attachment Point Detail
Fixed mounting receptacle for clamping with nut bar
1. Module is aligned to engage nut bar through “keyed” opening of receptacle
2. Rotation of nut bar is stopped at 900
3. Additional rotation tightens nut bar against receptacle keyed wall
![Page 12: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/12.jpg)
January 30, 2007 Fusion Technology Institute 12
Cut-Away View of Module/Chamber Interface
Manifold inlet & outlet connection
Nut bar tightened from outside of chamber
Blanket Module
Shield wall
Module frame
Fixed mounting receptacle
Chamber Support I-beam
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January 30, 2007 Fusion Technology Institute 13
Tee Bar Fastener detail
Fixed mounting receptacle
Module
Shield
Tee bar fastener tightened from outside of chamber
Module frame
Length of linkage through shield provides “flexibility” to accommodate thermal expansion
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January 30, 2007 Fusion Technology Institute 14
Manifold Connection Detail
Option 1: External welding possible with proper installation alignment
Option 2: ~ 11” inlet & outlet pipes allows internal welding
Coolant penetrations through shield)
(two shown but concentric option requires only one)
Shield
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January 30, 2007 Fusion Technology Institute 15
Maintenance of Ring Cusp Dump
Removable “Ring Caps” at equator
Possibly replaceable ring cap modules with integrated dumps plates
![Page 16: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/16.jpg)
January 30, 2007 Fusion Technology Institute 16
Givens & Druthers – All Noncompliance
• Does not allow “Straight-up” blanket removal
• Field coil radii: 4.1m & 6.9m vs. 3.4m & 6.1m (radius measured to center of coil cross-section)
• Blanket offset from shield by only ~35cm
![Page 17: January 30, 2007 Exterior Magnets Concept Blanket and Vacuum Vessel Chamber Integration and Maintenance G. Sviatoslavsky, M. Sawan (UW), A.R. Raffray (UCSD),](https://reader030.fdocuments.in/reader030/viewer/2022032806/56649f055503460f94c19860/html5/thumbnails/17.jpg)
January 30, 2007 Fusion Technology Institute 17
Givens & Druthers – Highlighted Compliance
• Blanket access does not require re-welding beam ports
• Blanket Access does not require disconnecting (or moving) beam ports
• Minimizes mass lifted for chamber access
• Minimizes height of components to be lifted
• Minimizes evacuated volume
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January 30, 2007 Fusion Technology Institute 18
Additional Advantages
• Blanket access does not require disturbing magnets
• Magnets accessible for hands-on maintenance