8. Structure of a refrigerator or liquefier

8.1 Compressor station

The compressor station (figure 46 ) consists of :

one or more cycle compressors, each generally driven directly by its own motor;
helium de-oiling, oil and helium cooling system;
cycle pressure control system, which includes cycle buffer capacity.

Compressors and control valves are very noisy objects, so they are either enclosed in soundproof enclosures or housed in a special room. Cycle buffers take up a lot of space and are installed outside.

The compressor station...

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Structure of a refrigerator or liquefier

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Some examples of liquefiers and refrigerators

Bibliography

Also in our database

MARVILLET (C.), BONTEMPS (A.), HUETZ (J.), GARRIGUE (A.), VIDIL (R.), GOUBIER (C.), MERCIER (P.) - Échangeurs de chaleur – Définitions et architecture générale. - [B 2 340] , 10 fév. 1994.
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GASPAK calculates 28 thermophysical properties of 36 fluids with boiling points between 4 K and room temperature.

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International Cryogenic Engineering Conference (ICEC) http://mgt-icec.web.cern.ch/mgt-icec/

International conference held every even-numbered year, in Europe or other continents except North America.

Cryogenic Engineering Conference (CEC)

Patents

US patent 5 499 505 dated 03/19/1996, Helium refrigerator with compressor control

US patent 5 941 095 dated 08/24/1999, Process for compressing a gas at low temperature and low pressure, corresponding compression line and refrigeration plant.