FIELD: machine engineering.
SUBSTANCE: stripping gas processing system includes a compressor 100 compressing the stripping gas which is generated in tank T for storing liquefied natural gas of a ship or floating structure, a heat exchanger 200 that cools the stripping gas compressed by the compressor 100 by means of heat exchange with stripping gas supplied to the compressor 100, an expansion device 300 which performs adiabatic expansion of the stripping gas, a gas-liquid separator 400 which performs gas/liquid separation of the stripping gas and supplying liquefied natural gas to the tank T. The system also includes a bypass line, through which stripping gas subjected to adiabatic expansion is fed from downstream position from the device 300 to downstream position from the separator 400.
EFFECT: providing efficient processing of the stripping gas.
9 cl, 7 dwg
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