Status of SPES Project

Transcription

1 Status of SPES Project Selective Production of Exotic Species Gianfranco Prete On behalf of the SPES Collaboration Laboratori Nazionali di Legnaro-INFN Paris, November 23-25, 2009 LEA Meeting

2 SPES status: main items q INFN approval for cyclotron and infrastructure bids q Safety report for cyclotron operation under development q Target Ion Source front end completed q Nanotubes-based target material developed

3 SPES RIB project TASK2 Infrastructures Facility Approved for construction Phase 1 - financed by INFN RIB Transport Line III Experimental HALL TANDEM XTU Experimental HALLS SPES LINAC ALPI Primary Beam: Cyclotron 300 μa, 70 MeV (max) for protons in two exit ports for RIB Production Target: UCx multi-foil, up to fission s -1 Post-accelerator: PIAVE-ALPI Superconductive Linac up to 11 AMeV for A=130

4 Level -1 ISOL facility

5 Level_0 Target laboratory Preliminary Design May 2009 Tender for Executive Design November 2009 Tender for Construction 2010/2011 Beginning of Construction 2011

6 TASK1: radioprotection, safety and controls radioprotection Target AREA Air Activation/Shieldings REPORT for Authorization Cyclotron AREA /Beam Dump Air Activation/Shildings SAFETY Special Plants and Environments Risk Analysis Handling and Mainteinance Vacuum Systems Contamination of pumping gases Cooling system Fluids Activation Venting system Air Activation Study of the Design of Controls and Radioprotection Monitoring systems (Zone Access - Machine Operations Hot Labs etc.) Controls Target control system (using PLCs)

7 Radiation protection (D. Zafiropoulos) FLUKA simulations Protons 70MeV 300 µa on UCx target X [cm] After one hour the activation is under the legislative limit of 1 Bq/g. 1) Need of storage of the air for one hour. 2) Recirculation of Air Z [cm]

8 Radiation protection (Report for Authorization within early 2010) µsv/h No access zone µsv/h Cyclotron vault - neutrons Cooling after accelerator working period: 1 year (5000 hours). Dose (γ) [µsv/h] in the cyclotron vault after 10 days of cooling. The dose is > 10 µsv/h at about 3 m from the cyclotron. 1-2 µsv/h Cyclotron vault - γ Cooling after accelerator working period: 2 weeks. Dose (γ) [µsv/h] in the cyclotron vault after 10 days of cooling. The dose is > 10 µsv/h inside the cyclotron.

9 Methods of Analysis of the Risks of SPES q FMEA (Failure Mode and Effects Analysis) Components Failure q HAZOP (HAZard and Operability study) Process parameter variations q FTA (Fault Tree Analysis ) Failure Propagation University of Palermo Dip. Ing.Nucleare 1) Safety Analysis in the Cooling System of the SPES Target/Source: analysis and variation with respect to EXCYT (LNS). Master Thesis Francesco Paolo Caravello 1) Top Event: GROWING of the Temperature of the Cooling Fluid over the imposed limit (19 o C) Frequency of happening of the TE P(TE) = 5.3*10-3 year -1 (accidental event every 200 years) 2) Safety Analysis : Evaluation of the production of the Radio-isotopes and their chains after irradiation of UCx target 2)Top Event: Evaluation of the major Environmental Impact after dispersion of activated material (from the target) after irradiation.

10 TASK 7 Cyclotron The Proton Driver Technical Specification RIF: _ The Proton Driver Technical Specification.doc data: 07 October 2009 titolo: The Proton Driver Technical Specification DOCUMENT QUALITY ASSURANCE Preparer: (A. Lombardi) Date: July 16, 2009 Preparer: (M. Maggiore) Date: July 16, 2009 Preparer: (L. Piazza) Date: July 16, 2009 Preparer: (L. Calabretta) Date: July 16, 2009 Revisio ns Date Author(s) Items 25 July September October October 2009 L. Calabretta M. Maggiore L. Piazza A. Lombardi L. Calabretta M. Maggiore L. Piazza First draft Editing format Added chap. 5 Editing new Format Summary edited Chapter 5 changed to Chapter 7 Chapter 4 modif Chapter 5 modif Chapter 6 modif Chapter 12 modif A. Lombardi Completion of Chapter 7 including G. Bassato comments Complete editing Characteristics choosen: Beams p, (d) ENERGY 70 MeV Current 750 µa Extracted Beams Dual Port Exit µA Losses < 5% - 10% Affidability 5000 hours/year CONTACTS with Companies: May 25th 2009 Advanced Cyclotron System (Canada) June 29th 2009 IBA (Belgio) July 13th 2009 Best Cyclotron System (USA) TENDER for Cyclotron construction INFN approved November 2009

11 SPES ISOL facility Cyclotron 750 μa, 70 MeV (max) for protons in two exit ports: RIB - up to 300 μa p on UCx Application - up to 500 μa TASK5 Augusto Lombardi Additional target station (special plants second priority) RIB or neutron production TASK4 transport/beam cooler/separator Luciano Calalbretta UCx target station fission/s TASK 3 Alberto Andrighetto High Resolution Mass Spectrometer 1/20000 TASK6 (Post Accelerator) Giovanni Bisoffi Charge Breeder 1+ n+

12 The SPES-TARGET Labs for target R&D TASK3 TARGET HT LNL Lab Test Bench LNL Lab UCx Chemistry PADOVA Lab Work Packages WP01 - Mechanical Developments WP02 - Material Developments WP03 - Ionization WP04 -Target Handling Carbide Chemistry LNL Lab New UCx Chemistry LNL Lab Laser PAVIA Lab WP05 - Controls

13 The SPES target prototype: comparison between FE simulations and experimental data The target heater (Ta) The target window (C) Pyrometer Pyrometer Temperature measurement point Temperature measurement point Temperature measurement point Full Scale (Ø 4cm SiC)

14 Thermal test on the Target Chamber Thermocamera Measurements Simulations Target operated at nominal temperature: 1900 o C on target, 20 o C on chamber

15 Ultra High Temperature Furnaces 1) Carburization and sintering of carbides 2) Carburization and sintering of UC x 3) Off-line tests on materials (UHT behaviour) 4) Development of measurement systems i.e. thermal conductivity and emissivity LabView software controlling the heating/cooling schedule Engineering the shielding system Carbide developments (L. Biasetto) 13 mm LaC x 40 mm TEST MATERIAL Carbides production and characterization UC x 40 mm FINAL GOAL LaC x Similar challanges without radioactivity of 13 UC x mm UCx 1,0 0,8 * * α UC 2 pdf # Graphite pdf # Intensity 0,6 0,4 0,2 * * * * * * * * *** 0, θ UCx emissivity SEM Characterization emissivity UC x from UO 2 +nc T ( C)

16 UCx using Carbon Nanotubes (In the framework of EURISOL-DS task3) On line test performed in June 09 at Isolde

17 Ionization methods at SPES Elements with bad volatility (NOT EXTRACTED) Surface Ion source Laser beam Laser Ion source H Surface Ionization Method 1 2 Photo Ionization Method Li Be B C N O F Ne Plasma Ionization Method Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Rf Db Sg Bh Hs Mt He Plasma Ion source Main fission 238U fragments

18 Test on laser photo-ionization 1) photo-ionization with 1 wave length (performed!) laser Surface Ionizer I=500 A [m] 2)photo-ionization with 2-3 wave lengths (before end of 09) ND:Yag Pump Dye Dye detector Dye LASERS at PV Dye

19 Ionization test in the test bench SPES Front-End testing at LNL Deflector System Quadrupole System Extraction Zone Faraday Cup and Emittance Meter to Execute Emittance Measurement Ion Source complex Puller Ionization test using Mass Marker Capillary Tecnology (early 2010)

20 Target handling Front end area Handling zone Services zone

21 Target control system Strategy: PLC OPC server EPICS

22 Task6 - The ALPI post accelerator Superconductive linac based on QW resonators. 2003: Up graded to Veq ~ 40 MV - Nb/Cu sputtered cavities or bulk Nb cavities Energies up to MeV/A for A=130 beams Expected SPES energies E (MeV/A) MV Nb/Cu high beta Nb/Cu medium beta Pb/Cu medium beta Nb low beta Year A max. current after source develop. upgrade - max. current upgrade - max. energy Coulomb barrier on Pb

23 SPES SCHEDULE Facility design First Target and ion source Second target and ion source Authorization to operate Building Tender & Construction Target installation and commissioning Cyclotron Tender & Construction Cyclotron Installation and commissioning Alpi preparation for post acceleration Installation of RIBs transfer lines and spectrometer Complete commissioning

24 SPES Target collaborations network TRIUMF- ISAC KEK- TRIAC ORNL- HRIBF LNL CERN- ISOLDE GANIL-SPIRAL 2 SPES Pavia Milano Napoli Catania Firenze ORSAY-ALTO Bologna LNS Padova UNI PA UNI PV UNI PD UNI TN DCT- Structure and Transportation Engineering DIM- Mechanical Eng. DEI- Informatic Eng. Nucl. Engin. Chemistry Chemistry DIM DCT DEI CONTROLS DIM DESIGN MATERIALS HANDLING

25 THANK YOU