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NOvA Near Water and Dryer System Design and Status
Erik Voirin Fermilab – PPD Fluid and Thermal Engineering Erik Voirin – July 23, 2013
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Erik Voirin
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NOvA Near Water and Dryer System
Erik Voirin NOvA Near Water and Dryer System
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Water System Equipment
½ HP Pump SS Impeller Noryl Pump Case Erik Voirin NOvA Near Water and Dryer System
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Water System Equipment
Filter: 1” NPT Flow Transmitters 30” long SS Housing Transit Time Dynasonics TFXL Erik Voirin NOvA Near Water and Dryer System
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Water System Equipment
Brazed Plate counter flow Heat Exchanger McMaster PT# 8546T15 also ITT Model 415 (and XYLEM) ASME Code Stamped 316 SS – Copper Braze 26.8 ft^2 surface area 21” x 4.5” x 6.5” Erik Voirin NOvA Near Water and Dryer System
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Water System Equipment
Control Valve Badger Research Control Valve 4-20mA Control signal 4-20 mA Positioner feedback Cv: 6.0 Linear Pneumatically powered Erik Voirin NOvA Near Water and Dryer System
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Water System Equipment
55 Gal – Sealed Tank Use Vacuum Breaker and relief valve to keep from under/over pressurizing. 1” 0.5 psi Relief Valve dumps over secondary containment wall. Union holding on relief valve can be removed for adding chemicals. Ultrasonic Level transmitter Erik Voirin NOvA Near Water and Dryer System
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Water System Equipment
Temperature Elements Pressure Transmitters Class A Platinum RTD Setra 206: 0-50 psi Erik Voirin NOvA Near Water and Dryer System
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Flow Rate Through APD routes
All routes within 5% from nominal flow rate. ~7-8 gpm total flow rate Erik Voirin NOvA Near Water and Dryer System
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Calculated Water Temperatures
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Equipment Placement Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Erik Voirin NOvA Near Water and Dryer System
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Dry Gas System 3rd Dry Gas System built for NOvA.
Leaving out a lot of the R&D/Analysis info: Permeation models The “Rainforest” Test Material selection NOvA APS Drier System
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How do you know it will work?
We have done extensive FEA and CFD modeling, calculations, research, and testing with a prototype system at NDOS and Far Detector have been running +1 year. NOvA APS Drier System
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NOvA Near Water and Dryer System
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Dry Gas APD Routes: Flow 0.5 SCFH through 3 rows of 32 APDs in series. 32 per row *3 rows = 96 APDs in a row Flowing through 128 APDs at Far Detector with: Inlet Dewpoint: -70oC and Outlet -48oC to -33oC Inlet Pressure: 2 psi and Outlet 1.0 to 1.9 psi Original dryness spec was -25oC at outlet, APDs are -15oC Erik Voirin NOvA Near Water and Dryer System
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Dew Point Non-linearity
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Compressors / Dryers / Reservoirs (Under Stairs and Catwalk on Muon Catcher side) Erik Voirin NOvA Near Water and Dryer System
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Supply Panel (Under Stairs and Catwalk on Muon Catcher side)
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Di-Block Monitoring Station (Near Center of detector in Alcove - Bottom Level) Erik Voirin NOvA Near Water and Dryer System
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Rocking Piston Compressors
1/3 HP Quiet Operation 100% Oil Free Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Air Dryers Pnudri Midas DAS2 Self regenerating desiccant dryers 5 SCFM -40oC We should be able to achieve -70C dew point since we are flowing far less than 5 SCFM, and recirculating the dry air. Erik Voirin NOvA Near Water and Dryer System
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Gas buffer Tank and Reservoir
2 gal 316SS ASME pressure vessel Dry Air Reservoir 30 gal 316SS ASME pressure vessel ~5 hours of backup dry air Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Backup Nitrogen Airgas 5.0 Ultra High Purity Nitrogen 99.999% pure: $75 per cylinder. Send sample to Atlantic Analytic for analysis. 4 Type K Cylinders hours of backup time. Erik Voirin NOvA Near Water and Dryer System
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Carbon and Particulate Filters
MotorGuard M-100 Removes: Hydrocarbon Oil Vapor Silicone Vapor Organic Vapor – off all types Desiccant Dust Volatile Organic Compounds (V.O.C.’s) MotorGuard M-30 0.01 Micron Removal Rating Erik Voirin NOvA Near Water and Dryer System
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Pressure Transmitters & Rotameters
Dwyer Series 763 Rebranded Setra C209 4-20 Output 0-5 psi Dwyer RMA-#-SSV With SS flow control valve Erik Voirin NOvA Near Water and Dryer System
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Dewpoint Transmitters
Vaisala DMT-143 Range: -80C to +20C Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Control System Beckhoff PLC Touchscreen on PLC enclosure (also remote control) Readout rack protection system instruments Readout environmental sensors Communication with DCS system for alarms Capability to shut off detectors LV and HV racks in error states. All normal auto-dialer notifications and alarms. Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Safety Documentation Water System Piping Note: Not needed per FESHM : Class-D water system. Drier System Piping Note: Completed and reviewed. Two ASME Pressure Vessel notes (Air Tanks) Completed, need to be reviewed Electrical Note To be completed after specification installation of power. Erik Voirin NOvA Near Water and Dryer System
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NOvA Near Water and Dryer System
Questions Erik Voirin NOvA Near Water and Dryer System
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