COOLING CIRCUIT, GAS DRYING BY COOLING PLANT AND COOLING CIRCUIT CONTROL METHOD Russian patent published in 2016 - IPC F25B5/02 F25B49/02 

FIELD: machine building.

SUBSTANCE: invention relates to cooling circuit, gas drying unit and method of cooling circuit controlling. Cooling circuit containing cooling medium, compressor (3), condenser (5) and evaporator (8)-expansion valve (7) combination, wherein evaporators (8) outputs are connected to manifold pipe (9), which is connected to compressor (3), wherein cooling circuit (2) comprises control unit (18), which is connected to temperature sensor (24) and pressure sensor (23), installed in manifold pipe (9), and which is connected to expansion valves (7, 7A, 7B) for their control, wherein control unit (18) is equipped with algorithm for controlling expansion valves (7, 7A, 7B) based on temperature sensor (24) and pressure sensor (23) readings, in order to adjust amount of overheating in manifold pipe (9).

EFFECT: higher stability of cooling circuit operation and efficiency.

25 cl, 2 dwg