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Compressor station of LHC 18 kW @ 4.5 K

Compressor station of LHC 18 kW @ 4.5 K. Bldg: 15 x 45 X 9 Pinput : 4.5 MW Cool: 500 m3/h Noise: 105 dBA. Compressor station flow scheme. Indiv. Filters (40µm) and fine filters (20µm). Main filters (100µm) and oil pumps. GHe Oil H2O.

cornelia-corbin
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Compressor station of LHC 18 kW @ 4.5 K

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  1. Compressor station of LHC 18 kW@ 4.5 K Bldg: 15 x 45 X 9 Pinput : 4.5 MW Cool: 500 m3/h Noise: 105 dBA LHCCryo P8 oil filters

  2. Compressor station flow scheme Indiv. Filters (40µm) and fine filters (20µm) Main filters (100µm) and oil pumps GHe Oil H2O 1st signs on CP6 seen Fri 17/06, on CP7 Sat, and cause found Monday 20/06 CP7 is the origin of pollution, presently stopped, to be looked at TechStop … LHCCryo P8 oil filters

  3. P8 configuration, last week Validated for P2 (TS) ! Leaky HX (Jan’11) TuA (Spring11) CV615 valve (P2) Tests for relocation CCs CCs QUI Sector 81 Sector 78 LHCCryo P8 oil filters

  4. P8 configuration, week-end Extra flow Until next Tech. Stop if CP6 oil filter OK,otherwise … Limitations Validated for P2 (TS) ! Leaky HX (Jan’11) TuA (Spring11) CV615 valve (P2) Tests for relocation CCs CCs QUI Sector 81 Sector 78 Similar to CP6_P4 ? Some 35’000 hrs since Jan’07 !!! LHCCryo P8 oil filters

  5. P8 oil filters global filter CP7 restart CP6 filter Looking stable now ! LHCCryo P8 oil filters

  6. Cryo bake-out L8 During stop: Temp BS >> Temp Mag “Bake-out” at 35K-40K Heater Toutlet Tinlet Valve Vac.gauges => Bearly visible effect, re-cooling process confirmed ? LHCCryo P8 oil filters

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