UNIT FOR SEPARATING A MIXTURE OF CARBON MONOXIDE, HYDROGEN AND METHANE BY CRYOGENIC DISTILLATION

原文（中国語）

A unit for separating a mixture of carbon monoxide, hydrogen and methane by cryogenic distillation including a distillation column having a condenser and a reboiler, a refrigeration cycle having a compressor, a first heat exchanger, a second heat exchanger, means for sending the gas mixture to be cooled in the first heat exchanger, means for separating the gas mixture cooled in the first heat exchanger and for sending a fluid produced by the separation to the distillation column, a thermally insulated enclosure containing the first and second heat exchangers, means for sending a cycle gas from the distillation column to the second heat exchanger and then to the first heat exchanger to be heated, means for sending a cycle gas liquefied in the reboiler to be cooled in the second heat exchanger, and means for sending the cycle gas liquefied and cooled in the second heat exchanger to the condenser.