Liquid cooling systems: Leakless v.2
Cooling Unit for Niobium Deposit on Superconducting RF Cavities
Technical Specifications
Uniphase cooling unit composed by 2 independant circuits: The
cooling circuit (secondary) is cooled by chilled water (primary) via a
coaxial heat exchanger.
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Primary circuit:
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Chill water 10kW@+10°C / +16°C.
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Temperature controlled by a thermostatic valve.
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Secondary circuit:
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Fluid: Perfluoropolyether
GALDEN HT90
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Operating pressure controlled by Leakless v.2 system via a P.L.C.
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Operating temperature range: +12°C to +50°C.
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Centrifugal pump with 3 electrical speeds - Max. Flow 3 m3/h - Max. Head
6m.
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Storage tank 80 l.
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Special quick disconnect coupling with shutt-off valve.
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Vapor recovery tank 1liter with molecular sieves 13X.
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Controls:
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Each working component are controlled by the PLC according to Leakless
procedure.
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Glass flowmeter.
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Manometer on storage tank.
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Manometer on pump output.
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Programed drain procedure.
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Programed regeneration sequence to recover the liquid from the purifier.
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Security:
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Relief valves on storage tank and deposit unit.
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Float switch level on storage tank.
CERN/P.BONNEAU/28/01/99