FIELD: oil and gas industry; technological processes.
SUBSTANCE: invention relates to design of devices for preparation of gas by low-temperature condensation and can be used in oil and gas industry for preparation of hydrocarbon gases. Device consists of a device with located at bottom of separation zone, crude gas inlet lines and hydrocarbon and water condensate discharge lines and said two gas cooling units with contact-separation devices equipped with one input/output lines of prepared gas, while another is input/output lines of coolant. Device is additionally equipped with refrigerating machine and condensate stabiliser. Reflux sections are installed as gas cooling units. Cooling machine is connected to upper reflux section by coolant input/output lines, and with condensate stabiliser by heat carrier input/output lines. Condensate stabiliser is connected by stabilisation gas supply line to crude gas supply line, condensate supply line with bottom of low-temperature condensation apparatus and is equipped with stabilised condensate output line.
EFFECT: higher yield of prepared gas.
3 cl, 1 dwg
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