LHC IRQ Interconnect Engineering Design Review January 29, 2002 T' Page Fermilab

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LHC IRQ Interconnect Engineering Design
ReviewJanuary 29, 2002T. Page - Fermilab
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Topics

• Interconnect Kit
• Automatic Welding Clearances
• Shield Line Bellows Pressure Test

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Interconnects
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IC Q1-Q2
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IC Q2-Q3
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Interconnect Kit

• Absorber (T.Nicol).
• Pipes with integrated bellows.
• Pipe supports.
• Bellows protectors.
• Weld rings.
• Shield bridge.
• MLI blanket.
• Outer vacuum sleeve.

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Interconnect pipe with integrated bellows
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Hx Outer Bellows

• Added Hx Outer Bellows

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Helium Pipe Layout
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Pipe Supports
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Bellows Protector
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Interconnect - Welded Joint
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Shield Bridge IC Q1-Q2
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Shield Bridge
Fixed End
Free End
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Shield Bridge
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Outer Vacuum Sleeve
CERN Bellows LHCQBB_A0030
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Vacuum Vessel Bellows

• IC Q1-Q2 and IC Q2-Q3 will use the CERN Bellows.
• Drawing No. LHCQBB_A0030
• Bellows length 1130 mm
• A special bellows is needed for the Q3 to Feedbox
  Interconnect.
• Interconnect Length 510 mm
• Bellows Length 540 mm
• Modify CERN Bellows

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• Weld Clearances

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Automatic Welding Clearances

• (2) Locations where automatic welder will be
  difficult.
• Cold mass pipe flanges around BPM.
• Hx inner corrugated pipe flange.

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Automatic Welding Clearances - BPM
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Automatic Welding Clearances - BPM
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Automatic Welding Clearances Hx Inner
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Automatic Welding Clearances Hx Inner
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Shield Line Pressure Test

• Full Scale Test
• Bellows Internal Sleeves
• Test Pressure 400 psi (hydrostatic)

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Shield Line Bellows Cross Section
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Test Setup
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Test Pressure
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Bellows Squirm