The SPL Short
This presentation is the property of its rightful owner.
Sponsored Links
1 / 24

The SPL Short Cryo -module: Status Report PowerPoint PPT Presentation


  • 114 Views
  • Uploaded on
  • Presentation posted in: General

The SPL Short Cryo -module: Status Report . V.Parma, CERN, TE-MSC On bahalf of the Cryomodule development team. SPL seminar December 2012, 6-7 December 2012 , CERN. The actors on stage. ESS/CERN Fellow. ESS/CERN Fellow. ESS/CERN Fellow. ESS/CERN Fellow.

Download Presentation

The SPL Short Cryo -module: Status Report

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


The spl short cryo module status report

The SPL Short Cryo-module:Status Report

V.Parma,

CERN, TE-MSC

On bahalf of the

Cryomodule development team

  • SPL seminar December 2012, 6-7 December 2012, CERN


The actors on stage

The actors on stage...

ESS/CERN Fellow

ESS/CERN Fellow

ESS/CERN Fellow

ESS/CERN Fellow


The spl short cryo module status report

SPL Cryomodule Workspace

https://espace.cern.ch/spl-cryomodule/default.aspx


The spl short cryo module status report

SPL Cryomodule Working Group

8 meetings in 2012 (from March on)


The spl short cryo module status report

  • SPL Cryomodule exhibition

  • (CERN, French in-kind meeting, June 2012)


Assembly sequence

Assembly sequence

1- String of cavities outside the clean room

2- Mounting of the magnetic shields

4- Mounting of the cryogenic distribution

3- Mounting of the tuners and inter-cavity connections

5- Mounting of the coupler cooling line

6- Mounting of the thermal shield

7- Insertion in the vacuum vessel

8- Closing the vacuum vessel

Design by CNRS-IPNO (S.Rousselot)


2 parts vacuum vessel

2 parts vacuum vessel

  • Material is low-carbon steel (LHC type)

  • Vessel as magnetic shielding: need for degaussing?

  • Flanges in St.steel (304L)


Mechanical analysis at cnrs

Mechanical analysis at CNRS

1.2mm rattrapé par 2 vis contigües

Loadswhenclosing

242mm

Effect of a gap atclosure

CNRS-IPNO, P.Duchesne, P.Duthil


And at cern

…and at CERN

Mounting of the lid: effect of flat flanges shape imperfections; CERN approach

Deformed shape:

Load case 1

Load case 2

See Paulo Azevedo’s talk


Pressure relief devices

Pressure relief devices

  • First risk analysis made

  • HSE now in the loop (C.Parente), several meetings took place

  • Sizing of safety relief devices:

    • Burst disks to protect helium circuits

    • Pressure relief plate to protect insulation vacuum vessel

See Paulo Azevedo’s talk


Vacuum vessel detailed design

Vacuum vessel detailed design

  • Specification detailed drawings in preparation at CNRS-IPNO

  • Drawings approval in progress

  • Consultation of companies started

  • Procurement to be launched beginning 2013 by CNRS-IPNO


Cold magnetic shield

Cold magnetic shield

Status:

  • Following feedback from RF (T.Junginger), a re-design has been proposed by CNRS and approved, ready for detailed drawings

Double layer

Cold magnetic shield

Coupler side

Tuner side

Design by CNRS-IPNO (S.Rousselot)


Cryogenic distribution

Cryogenic distribution

2 phase tube

(line X)

LHeLevel gauge

Pumping line (XB)

z

y

To cold box and SM18

Vapourscollector

Liquid container

x

Courtesy CNRS-IPNO (S.Rousselot, P.Duthil)


Valve box and cryogenic scheme in sm18

Valve box and cryogenic scheme in SM18

  • Control valves grouped in a single valve box

  • Valve box needed also for interfacing CM to cryogenic distribution in SM18

  • Overpressure safety devices


Valve box

Valve box

Status:

  • Conceptual design finished

  • Valves being ordered by TE-CRG

  • Heater on the thermal shield will warm up thermal shield helium to the CM needs (50K) design in progress

Vacuum vessel

Vacuum barrier

From SM18

To CM

Thermal shield

Courtesy CNRS-IPNO (S.Rousselot, P.Duthil)


C ryo valve specs

Cryo valve specs

  • Coupler cooling valve:

    • Use : Liquid/gas helium

    • Diameter: DN2

    • WEKA standard design: h=875mm - PN25 - Standard sealing to outside - no thermal contact, no G10 spindle rod

    • Po=normally closed actuators

    • Kv max as controlled valve: 0.15m3/h

      • Required max. Kv at 100% stroke: 0.06 m3/h (common), 0,02 m3/h (single)

      • Required min. Kv at 5% stroke: 0.002 m3/h

    • Equal percentage

    • Quantity: 1

  • JT valves (common and single valves):

    • Use : superfuid helium

    • Diameter: DN4

    • WEKA standard design: h=875mm - PN25 - no thermal contact, no G10 spindle rod

    • Po=normally closed actuators

    • helium guard seal for subatmospheric applications

    • Kv max as controlled valve: 0.6m3/h

      • Required max. Kv at 100% stroke: 0.1 m3/h (common), 0,02 m3/h (single)

      • Required min. Kv at 5% stroke: 0.001 m3/h

    • Equal percentage

    • Quantity: 4

  • Cool-down valves:

    • Use : liquid/gas helium

    • Diameter: DN4

    • WEKA standard design: h=875mm - PN25 - Standard sealing to outside - no thermal contact, no G10 spindle rod

    • Po=normally closed actuators

    • Kv max as controlled valve: 0.6m3/h

      • Required max. Kv at 100% stroke: 0.18 m3/h (common), 0,02 m3/h (single)

      • Required min. Kv at 5% stroke: 0.004 m3/h

    • Equal percentage

    • Quantity: 4

9 cryo valves

Needs agreed with TE-CRG (R.Van Weelderen)  TE-CRG can start procurement


Cavity vacuum valves

Cavity vacuum valves

  • Choice discussed with TE-VSC (G.Vandoni)ready for procurement


Cryomodule instrumentation

Cryomodule instrumentation

~100 T gauges

10 Elec.heaters

4 He level gauges

4 Piezos, tuners,HOM

Optical Wire Position Monitor

Pressure gauges


Bunker integration studies at cern

Bunker integration studies at CERN

SM18 bunker

RF distribution

Cryo-module

Valve box

Cryo line interface

Study by P. Martinez Yanez and B.Riffaud, EN-MME


Bunker integration studies at cern1

Bunker integration studies at CERN

Study by P. Martinez Yanez and B.Riffaud, EN-MME

Pending work:

  • Full integration study (access, services, safety evacuation of He, …)

  • Design and construction of an inclination table (0%-2%) for the cryomodule

  • Study the opening of the CM top part of vessel for in-situ maintenance and construction of the handling equipment

CRYOMODULE 2% INCLINATION

SPECIAL LENGTH CORRESPONDING TO CRYOMODULE ANGLE


The spl short cryo module status report

Status of supporting system mock-up

See P. Azevedo’s and R. Bonomi’stalks


Master schedule

Master Schedule

Preparation of SM18 infrastructure (cryogenics, RF, clean-room)

Cavities production

Cavities processing/RF testing

RF couplers

Clean room assembly of string

Cryomodule (& assy tooling) design

Cryomodule fabrication

Cryomodule assembly

Start cryomodule

RF testing


Summary 2012 outlook 2013

Summary 2012, Outlook 2013

  • Notable progress in the design of the CM this year:

    • Vacuum vessel: almost ready for procurement

    • Magnetic shield: design finalized

    • Cryogenic piping: design well progressed

    • Thermal shield: design in progress

    • Cryogenic and vacuum valves: choice made, procurement can start

    • Instrumentation: preliminary list

  • Assembly tooling:

    • Concepts only: work needs to start now

  • Valve box:

    • Conceptual design made

  • Major milestones for 2013

    • Launch procurement of vacuum vessel , early 2013

    • Other parts to be ordered by mid 2013

    • Design of assembly tooling by mid 2013


  • Login