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Status of infrastructure

Status of infrastructure. Yury Ivanyushenkov Applied Science Division, Engineering and Instrumentation Department RAL. MICE Collaboration Meeting, Frascati, June 26-29, 2005. Scope. Layout Hydrogen system Shielding Support system. MICE layout. MICE phase I initial. MICE phase I final.

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Status of infrastructure

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  1. Status of infrastructure Yury Ivanyushenkov Applied Science Division, Engineering and Instrumentation Department RAL MICE Collaboration Meeting, Frascati, June 26-29, 2005

  2. Scope • Layout • Hydrogen system • Shielding • Support system

  3. MICE layout

  4. MICE phase I initial

  5. MICE phase I final

  6. Hydrogen system test rig High level vent High level vent Vent outside flame arrester Non return valve Vent manifold Vent manifold 0.1 bar Hydrogen zone 2 Extract hood VP2 PV8 P1 P Metal Hydride storage unit (20m3 capacity) P PV7 P Mass spectrometer M. F.M. PV2 PV1 Chiller/Heater Unit 1 bar Mass flow meter Tbed Buffer vessel Hydrogen supply PV3 1 m3 PV4 P Fill valve P HV1 Coolant Out In P2 P 0.5 bar 0.9 bar P3 HV2 P P Purge valve P P P H2 Detector H2Detector Test absorber assembly Purge valve HV3 0.9 bar Nitrogen supply PV6 Helium supply 0.5 bar VP1 Non-return valve Pressure gauge Pressure relief valve Pressure regulator Bursting disk Valve P P Vacuum pump VP Tchill

  7. MICE hydrogen system PID

  8. MICE hydrogen system layout: Principle • Argon jacketing of pipework is proposed in outside the hood. Basic philosophy is shown below H2sensor Hood Argon Jacketing 1m3 Cabinet for hydride bed and pipework MICE Safety area

  9. MICE hydrogen system layout (2)

  10. Hydrogen system R&D: Work packages • WP1 Initial design -> Internal safety review • WP2 Detailed design and procurement • WP3 Installation and commissioning • WP4 Test Programme

  11. Hydrogen R&D: Layout

  12. Hydrogen R&D: Layout (2)

  13. Hydrogen test cryostat: Concept • Instrumentation mimics what we will need on the absorber for the control system and interlocks • Heater will regulate temperature of cryocooler – need redundancy and interlock with compressor • Dia.Reservoir =height=290mm T H T H

  14. Ø 580 1120 Hydrogen Test Cryostat Outline

  15. Hydrogen inlet and outlet Cryocooler SRDK-415 1.5 W @4.2K 35/45 W @50K He inlet and outlet Radiation shield Condenser Level sensors LH2 dummy absorber Cu bottom plate with heat exchanger Hydrogen test cryostat

  16. Finned top plate of condenser Cu bottom plate with heat exchanger Cartridge heaters Hydrogen test cryostat (2)

  17. Hydrogen system R&D – Schedule • Outline Schedule • WP1 Initial design: May – August 05 • with Review in September 05 • WP2 Detailed design and procurement: Aug 05 – Feb 06 • WP3 Installation and commissioning: Jan – April 06 • WP4 Test Programme: June – Oct 06

  18. Radiation shielding • No changes in the layout • Paul is working toward a much more reasonable (and cost effective) shielding arrangement.

  19. Magnetic shielding • No changes in the layout • Part of magnetic shielding wall will be installed and used as a support for hydrogen R&D test area platform. • Another round of magnetic modelling is required for a full MICE magnetic shielding once position of MICE in the hall is frozen.

  20. Support structure – Layout and sequences Add spacer

  21. MICE Stage IV MICE Stage V Support structure - Required rail positions Rail positions of downstream detector for Stages IV & V will overlap with final stage VI rail positions

  22. Support structure – Super-module Module to module joints to react forces in Z CC/RF module with stiff support structure

  23. Support structure – Rail and Force transfer concept Traverse in X on rail system to give location to +/- 2mm Jack from rail and position in x-y-z to survey targets on vacuum vessel Shim to blocking plates to locate in x-y-z and react forces Survey Target Magnetic force Module Beam Axis Y Z X Shim Jacks Rollers Rails Y support location Floor Plate

  24. Support structure – Rail-mounting concept

  25. Support structure – Force transfer concept - Y

  26. Support structure – Force transfer concept - Z

  27. Possible MICE rail system

  28. MICE support structure - Specification • Requirements/specification: • - to move (all) MICE modules out the beam (to the side direction) for various MICE stages • Accuracy/tolerances: • - along the beam +/- 1 mm • - across the beam +/- 1 mm • Adjustment: • - adjustment possibility is required. • Locking mechanism: • - required. • Loads: • - max load is 6.65 tonnes. • Force transfer function: • - gravity force to the floor; • - module-to-module axial force to the floor ?

  29. MICE support structure - Module weights

  30. MICE support structure – Next steps • Revise support structure requirements/specs for full MICE • - include and analyze requirements of access to every module • ( collect information from all technical supervisors) • Suggest support structure for Stage 2 • (is it different from the one for complete MICE ?) • Discuss revised version of support structure at RAL meeting

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