FIELD: mechanics, heating.
SUBSTANCE: proposed gas compressor incorporates a gas inlet and a gas outlet, a gas compressor drive, a recycle pressure relief device communicating with the gas outlet and designed to receive a compressed gas flow and opening when the said gas outlet discharge pressure reaches the preset value. It also comprises piping communicating with the said gas inlet and the recycle pressure relief device designed to feed compressed air into the compressed air inlet when the discharge pressure reached the preset value thus increasing the flow mass velocity in the compressor and, at the same time, adjusting the drive. The said drive decelerates with the compressor power demand exceeds the drive maximum output and cuts out at low rpm.
EFFECT: reduced chimney fire in production of liquefied natural gas at rated load.
23 cl, 4 dwg
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