FIELD: heat engineering.
SUBSTANCE: invention relates to the field of heat engineering and can be used in natural gas liquefaction systems. A coiled heat exchanger with cooling the annular space using a mixed refrigerant, which is adapted to reduce uneven radial temperature distribution by providing tube sheets at one end of a warm bundle, each of which is connected to the tube sheets in one circular zone and communicated with the fluid flow with a control valve. Each of the tube sheets at the other end of the warm bundle is connected to the tube sheets in one radial section and in a plurality of circular zones. A temperature sensor is provided in each circular zone.
EFFECT: correction of uneven radial temperature distribution for flow control.
21 cl, 12 dwg
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