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RIA Target Station Design and InfrastructurePresented by: Reg Ronningen (MSU)
Prepared by Tony Gabriel and Dave Conner (Oak Ridge National Laboratory)RIA R&D Participants:
Argonne National Lab: J. Nolen
Lawrence Berkley Nation Lab: L. Heilbronn
Lawrence Livermore National Lab: L. Ahle, J. Boles, S. Reyes, W. Stein
Los Alamos National Laboratory: Dave Viera
Michigan State University: I. Baek, G. Bollen, M. Hausmann, D. Lawton, P. Mantica, D. Morrissey, R. Ronningen, B. Sherrill, A. Zeller
Oak Ridge National Lab: J. Beene, T. Burgess, D. Conner, T. Gabriel, I. Remec, M. Wendel
2nd High-Power Targetry Workshop October 10–14, 2005
Oak Ridge, TN
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
RIA Overview
R&D Activities Overall Layout and Parameters Remote Maintenance Requirements ISOL Target Design and Analysis Fragmentation Beam Dump Design Project Status
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Rare Isotope Accelerator (RIA)DOE Sponsored R&D Areas Beam Simulation Front End Driver Linac (2nd
Stripper Region RH Considerations) Isotope-Separator-on-Line (ISOL) Fragment Separation- for Fragment Separators Fragment Separation- for Gas Cell Post Acceleration Multi User Considerations
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
ISOL Target
Analysis and evaluation of target concepts (Mercury, Tungsten/Water Cooled)
Identification of required utilities and corresponding remote maintenance capabilities
Activation and Heating Calculations Target Gallery layout and optimization for
maximum availability
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Fragmentation Target
Development of simulation codes for heavy ion transport
Evaluation of Beam Dump for full range of production scenarios [Cu (water or gas cooled), Lithium Stream]
Development of high-power target concepts Simulation of radiation doses to magnets and other
components Development of concepts for remote maintenance for
damaged components Materials Research
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Multi-User Considerations
Incorporate capability for simultaneous independent experiments
Multiple target vs. Cost Optimization Maximize availability
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
The RIA facility schematic layout and areas of R&D
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
A Possible RIA Site Layout
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
RIA Parameters List
WBS Parameter BaseValue Unit Comments
1.0 GLOBAL PARAMETERS1. 0. Maximum beam power on target 400 kw1. 0. Primary beam kinetic energy on target 1.0 GeV protons
400 MeV/u uranium1. 0. Beam Frequency Steady State1. 0. Protons/sec 2.5x10151. 0. Ion Types H thru Uranium1. 0. Front end length TBD1. 0. Linac Length TBD1. 0. HEBT Length TBD1. 0. RTBT Length TBD1. 0. Maximum uncontrolled beam loss 1 W/m1. 0. ISOL Target material Hg,W,Ta,Ucx …..1. 0. Fragmentation target material Li, Graphite, ??1. 0. Number of ISOL targets 2 (3rd optional)1. 0. Number of Fragmentation targets 21. 0. Number of stripper stations 21. 0. Initial number of instruments ??
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
85m x 60m
75m x 16.5m
RIA Target Gallery Layout
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
RIA Beam production area
ISOL type beams
Fast fragment beams
• High-power target design (ANL, ORNL, MSU)• Development of overall concepts for the beam production areas
(MSU, ORNL, LLNL, LBNL, LANL, ANL)
Challenges: High power + high power densityFrequent target changes
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
HIGH BAY AREA
DUAL SERVOMANIPULATORS
(SHOWN IN STORAGE POSITION)
TRANSFER CELL
(HANDS ON MAINT.) BASEMENT/
WASTE DISPOSAL
INCELL SHIELD DOORS
ISOL TARGET STATIONS
FRAGMENTATION TARGET STATIONS
FRAG SHIELDED STORAGE AREA
FRAG MAINTENANCE/DECON CELL
50 TON GALLERY CRANE
100 TON HIGHBAY CRANE
ISSUES CELL ACCESS (CONTAMINATION)
SHIELD DOORS
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
SHIELDED HOTCELL
ISSUES MODULE SIZE
DOSE LIMITS?
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
BRIDGE MOUNTED SERVO MANIPULATOR
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
ISOL BEAMS
FRAGMENTATION BEAMS
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
FLIGHT TUBE
BEAM DIANOSTICS
LI TARGETQUADRAPOLE SET
DIPOLE
BEAM DUMP
SHIELDING
ISSUES COMPONENT SIZE
LIFETIME
COUPLINGS
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
HIGHBAY CRANE
TARGET GALLERY CRANE
AUXILLARY CRANE (WEDGE REGION 30T)
19m
12m
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
INSTALL ALL ACTIVE TARGET SYSTEMS
TARGET SERVICE TRAYS
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
STEEL SHIELDING
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
COVER SHIELDING
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
BEAM DUMP
ISOL TARGET BEAM DIAGNOSTICS
ELASTOMER VACUUM SEALS
ISSUES MODULE SIZE
HEATING
SEALS
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
ION OPTICS
DIPOLE / SWITCHYARD
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
ISOL TARGET UTILITIES
HEAVY WATER DELAY TANK
LIGHT WATER DELAY TANK
VACUUM SYSTEM
POWER / INSTRUMENTATION
PRESSURIZED GASES
NOTE: HEAVY WATER MAY NOT BE REQUIRED
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
SECONDARY VACUUM (BLUE)PRIMARY VACUUM (RED)
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
LIGHT WATER JUMPERS
HEAVY WATER JUMPERS
POWER / INSTR JUMPERS
GAS FLEXIBLE HOSES
THERMOCOUPLE CONNECTORS
LIFTING FEATURES
SPRING LOADED CAPTURED BOLTS
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Requirements for RIA Target Building Remote Maintenance Large Hot Cell Remote Handling Equipment
Large Hot Cell Configuration and Function
Component Design for Remote Handling
Remote Tooling
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Remote Handling Manipulators
There are three basic types of manipulators: Wall Mounted Master-Slave Manipulator Power-arm mounted on bridge Servomanipulator mounted on bridge
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Master-Slave Manipulator (MSM)
Advantages Highly dexterous Force reflecting Inexpensive Reliable (HD models) Work well with a shielding window
Disadvantages: Limited reach Small effective working volume Require a shielding window
workstation Can be overloaded by operator
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Bridge Mounted Servomanipulator Advantages:
Highly dexterous handling Force reflecting 5 to 8 X hands-on task times Reduces need and cost of special
remote handling features on components
Moderately powerful Can be equipped with an auxiliary
hoist to assist with material handling
Disadvantages: Expensive Complex and potentially unreliable Mechanically compliant arm limits
positioning accuracy in robotic mode
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Hot Cell Video Cameras - Rad TolerantRadiation hard IST/REES R981 Cameras (industry standard ) Advantages
Wall and bridge mountable Can include lights and cameras Rad resistance to >105 rads Reliable
Disadvantages High cost Hands-on maintenance
required Black and White only Relatively poor visual quality Limits hot cell background
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Hot Cell Functions
Hot cells have two primary functions1. Radiation Control; passive elements such as
concrete, shielding windows and vault doors.2. Contamination Control; active systems
high efficiency ventilation low level liquid waste water treatment Solid waste treatment, handling and shipping
Each of the three active systems is expensive and large
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Hot Cell Material Handling
Gravity is our only friend; therefore….. Virtually all material handling is accomplished by
bridge cranes; as a result: Cells tend to be high to provide head room, hook height and
clearance over servomanipulator bridges. Cells tend to be long and narrow to reduce the bridge width
and allow for easier monitoring of bridge motions. Working areas of cell determined by bridge coverage; thus
crowning of the cell is advantageous. Cell modules should be designed for the minimum possible
load since larger cranes have less coverage.
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Crane and Servomanipulator Combinations
Overhead bridge crane is mounted above the servo bridge
Servomanipulator and transporter with Aux hoist must be able to pass bridge crane to operate on both sides of the hook
Retrieving tools and lift fixtures is difficult and time consuming
RIA will probably require multiple cranes and servo systems to provide backup and reduce turn-around times.
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Personnel Access vs. Fully Remote
A Fully Remote Hot Cell Is Completely Different from a Personnel Accessible Cell in Cell Design, Component Design, Layout, Tooling, and Operation.
A Cell Designed To Operate Partially Hands-on Cannot Be Easily Converted To Full RH.
Cooling water vaults can be entered after 1-3 days of radiation cool-down if filters and IX columns have local shielding.
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Remote Maintenance Design
Process components modularized based on expected maintenance frequency
Remote handling interfaces incorporated to facilitate remote disassembly and assembly of modules with standardized remote tooling and lift fixtures
Maintenance accomplished by replacement of failed component
Motor module
Pump module
Sump tank
SNS Hg Pump
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Identification of Tasks
Summary Top Level Maintenance Design Parameters
Expe
cted
Ope
r. Li
fe
Res
tora
tion
Tim
e G
oals
Spar
e
Rep
air
1. 0. Target Process Components1. Target Module >4 Mo < 5 D Yes No2. Primary Mercury Pump ~20 Yr <30 D No No3. Primary Mercury Pump Motor ~5 Yr < 5 D Yes No3. Process Control Sensors 1 Yr <2 D Yes No4. Vacuum Pump Module ~5 Yr <5 D No No6. Mercury Process Gas Valves ~5 Yr <5 D Yes No7. Mercury Transfer Valve ~20 Yr <5 D No No
Mercury Transfer Valve Operator ~5 Yr <2 D Yes No8. Hg/Water Heat Exch. >15 Yr <60 D No No9. Pipe Spools (Frequent Coupling) >10 Yr <60 D No No
10. Collection Basin No NoLOF
Remote handling tasks must be identified early; the list is the basis of design for the RH system and the components
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Remote lift fixture examples
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
L2
D 1
water coolingand/or radiative cooling
watercooling
heating/ heat shield
line to ion source
Actinide target
2000 deg C
Mercury or D2O-cooled W
Two-step fission targets for 100 kW beam power
Choice of converter type has impact on design of target area • Investigation of neutron/fission yields, beam and decay heating, radiation damage for
400 kW 2-step target• Conceptual design studies of cooling schemes
Are there alternatives to Li +W ? (MSU, ORNL, LLNL)1) Mercury as target and coolant2) Water-cooled W
Original proposal (J. Nolen, ANL): Li-cooled W converter
?
Principle of 2-step fission targets: • Neutron converter for neutron production and
dissipation of beam power• Surrounding blanket of fissionable material
for rare isotope production
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Axial flow DesignWater velocity of 18.2 m/s
Grid 1 Grid 2
W Volume 80% 80%Velocity 18.2 m/s 18.2 m/s
Inlet Temperature 40ºC 40ºC
Outlet Temperature 62ºC 62ºC
Pressure Drop 97 psi 100 psi
Max W Temperature 224ºC 214ºC
Max D2O Temperature
143ºC75/210ºC
134ºC76/191ºC
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
two wheels and one stationary beam dump
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Example of a RIA Pre-Separator
Beam
Target
Dipole Quad-Triplet
IsotopeSlits
Wedge
BeamDump Power Densities
Radiation Fields
Optics design
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
AIR INLET/OUTLET JUMPERS
TARGET MODULE
VACUUM ENCLOSURE
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
HEAT EXCHANGER
AIRFLOW PIPES
SHIELDING
6” REMOTE PIPE COUPLINGS
UTILITY CONNECTIONS
VACUUM SEAL
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
floor between dump motor and vacuum space
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
Beam dump section; magnet vacuum space extended to top of above floor.
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OAK RIDGE NATIONAL LABORATORYU. S. DEPARTMENT OF ENERGY
RIA Project Status
CD0 granted Unfunded Mandate—Construction start
Sept 2008