INSTALLATION WITH CRYOGENIC MACHINE "STIRLING" FOR KEEPING OF CONDENSED GASES Russian patent published in 2000 - IPC

Abstract RU 2159908 C1

FIELD: cryogenic engineering, gas refrigerating machines with helium operating on the stirling reverse cycle principle, and keeping of condensed gases, for example, natural gas. SUBSTANCE: due to external heat gains, condensed gas vapor is formed in the upper part of the space. As soon as a definite pressure is attained, the safety valve is actuated, which serves as a signal for actuation of the refrigerating machine. As a result, the gaseous vapor is fed to the refrigeration condenser through the safety valve, intermediate heat exchanger, turbine, expansion vessel, throttling valve, and recondensation is accomplished there. Transition of vapor to the liquid phase in the refrigerating machine condenser builds up the necessary pressure differential. Then, condensed vapor overflows to the Dewar flask and is fed to the heat-insulated vessel in the form of condensed gas by the high-pressure pump through the check valve. A drop of temperature of the refrigerating medium in the machine refrigerating system due to heat exchange in the heat exchanger increases the coefficient of machine performance. EFFECT: reduced material costs at keeping and use of condensed gases and enhanced safety of operation, reduced environmental contamination. 1 dwg

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RU 2 159 908 C1

Authors

Kirillov N.G.

Dates

2000-11-27Published

1999-04-13Filed