Jose Botelho Direito ENCVDC Thermosyphon cooling workshop 5 Thursday October 20 2011 Outline Technical Requirements Request for Quotation Design from DATE Construction Schedule 20102011 ID: 245215
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Condenser supply contract report
Jose Botelho Direito EN/CV/DCThermosyphon cooling workshop §5Thursday, October 20, 2011Slide2
Outline
Technical RequirementsRequest for QuotationDesign from D.A.T.E. Construction Schedule
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Technical Requirements
Thermal Requirements:Total
Condenser cooling power: 170kWDe-superheating: 28.7 kW
Condensing: 135.8 kWSub-cooling: 5.5 kW
DO-26673/EN-CV – EMDS document number 1134974
20/10/2011
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Technical Requirements
Stainless Steel Shell and Cupronickel or SSt cooling tubesFOAMGLAS InsulationStorage capacity of 2.5m3Pressure: PN25Design temperature from -70°C to 63°C
Leak tightness of 10-4mbar.lt/s
Standards:Pressure Equipment Directive 97/23 (PED)Leak tightness: BS EN13184:2001Cleaning: ASTM A380Earthquake loading: EUROCODE 8
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Request for Quotation
Companies contacted (11x):AEL (de); KLIMAL (de); ALFA LAVAL (se); APPARETEBAU-CRIMMITSCHAU (de); ARSOPI (pt); BOWMAN (uk); D.A.T.E. (fr);
Novoa Equipment Limited (uk
); Onda (it); SWEP (se); GEA (de).Offers received (3x):
D.A.T.E.
ARSOPI
GEA
DO-26673/EN-CV – EMDS document number 1134974
20/10/2011
Thermosyphon cooling workshop §5
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Design proposal from D.A.T.E.
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DESUPERHEATING and CONDENSATION ZONE
SUBCOOLING ZONE
HEAT TRANSFER COEFFICIENT
299,65 W.m.
-2
°C
-1
112,8 W.m.
-2
°C
-1
HEAT TRANSFERT SURFACE
86,85 m
2
9,07 m
2
PRESSURE DROP
6 mbar
10 mbar
NUMBER OF TUBES
240 tubes
28 tubes
Thermosyphon C3F8 Liquid outlet
Thermosyphon C3F8 Vapour inlet
Brine Condenser IN
Brine Condenser OUT
Brine Sub
-
cooler IN
Brine Sub
-
cooler OUT
De-superheating & Condensing tubes (240x)
Sub-cooling tubes (28x)Slide7
Construction Schedule
Condenser Construction ScheduleOctober 2011: Contract startNovember 2011: Detailed designJanuary 2012 : Purchasing of materialMarch 2012: Condenser construction
April 2012: Final pressure testsApril 2012: Insulation of the condenser
April 2012: Delivery at CERN20/10/2011
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Any questions?20/10/2011Thermosyphon cooling workshop §5
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