FIELD: refrigerating engineering. SUBSTANCE: heat exchanger includes several practically rectangular heat exchange plates 2a provided with inlet and outlet holes 5a, 6a and 7a, 8a in angular portions 9a, 10a, 11a, 12a. Each heat exchange plate 2a has central heat exchange portion 17a and two distributing portions 15a, 16a located between heat exchange portion 17a and respective inlet and outlet holes 5a, 6a, 7a, 8a. According to invention, sizes of inlet and outlet holes 5a, 6a for one liquid differs from those of inlet and outlet holes 7a, 8a for other liquid. Additionally, portions 15a, 16a of heat exchange plates create larger hydrodynamic resistance for first liquid as compared with that for other liquid. EFFECT: enhanced efficiency. 6 cl, 4 dwg
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