helium d istribution in sm18 rf h orizontal test bunker m9
DESCRIPTION
Helium D istribution in SM18 RF H orizontal Test Bunker M9. T. Koettig, BE-RF-SRF 1 st Aug 2013. Content. Layout of the SM18 RF test area New cryogenic infrastructure => commissioning is ongoing M9 clients and requirements Proposal for the new Interconnection Valve B ox . - PowerPoint PPT PresentationTRANSCRIPT
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Helium Distribution in SM18 RF
Horizontal Test Bunker M9
T. Koettig, BE-RF-SRF 1st Aug 2013
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• Layout of the SM18 RF test area
• New cryogenic infrastructure => commissioning is ongoing
• M9 clients and requirements
• Proposal for the new Interconnection Valve Box
Content
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M7 M9
V3 V4 V5 V6
Cryo Infra Upgrade of SM18 RF TFRF TEST FACILITY AREA
TRANSFER LINE GALLERY
6 kW L in de C r yo pl an t
25 m3 Dewar 1.6 bara sat. LHe
to WPU2
LP/RECUP return
He Guards
The 6 kW Linde cold boxCapacity: 25 g/s (720 l/h) of LHe
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Cryo Infra Upgrade: 3D-layout
M92 K - 4.5 K
V32 K
M72 K
V42 K V5
4.5 K V64.5 K
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SM18 RF TF : General PID for 2013
M9 - Service module
Warm pumping unit capacity:
• 6 g/s @ 10 mbar• 12 g/s @ 20 mbar• 18 g/s @ 30 mbar
Very low pressure heater:
32 kW (20 g/s)
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- LHC temporary connection with semi rigid bayonets: LHe supply and GHe return, 4.5 K operation, 80 % reused
later.
- Hie-Isolde CMspecial procedures for cool down and warm up, 4.5 K operation + shield cooling at 50 K.Two Venturi flow meters
- CRAB cavity CM operation at T< 2 K, shield maybe at 80 K?Helium guard, Pressure relief devices: SV at 1.8 bara, RD at
2.2 bara
Functional specs for He distribution in M9 can be found in EDMS:https://edms.cern.ch/document/1279849/1
Requirements of customers in M9
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PID M9 helium distribution
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M9 detail: new Interconnection Valve Box
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Test schedule in SM18 RF : horizontal bunkers
Projects:
• 1 test @ 4.5K of LHC cryo module . Provisional schedule : 2013
• 2 tests @ 4.5 K of HIE-Isolde cryomodule. Provisional schedule : 2014
• 1 test @ 1.8 K of SPL half cryomodule. Provisional schedule : 2014
• x tests @ 2K of crab cavity CM. Provisional schedule : 2nd half of 2015
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Thank you very much for your attention
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Venturi Flow meter:
Cavity circuit at 4.5 K vaporShield circuit at 75 K gas
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Venturi Flow meter
Cavity circuit at 4.5 K vapor Shield circuit at 75 K gas
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SM18 RF TF : bunkers PID for 2013
QLKRF_M7 @ 1.8 KQLKRF_M9 @ 1.8 K – 4.5 K