FIELD: heating.
SUBSTANCE: in the application there is a device described for heating of the working fluid medium comprising a closed circuit (18) of working fluid medium, having the first heat exchanger (10) and the second heat exchanger (20) and a compressor (22) between them. The first heat exchanger (10) has a side (34) of heat supply to an external source of heat of fluid medium and a side (24) of heat release for evaporation of working fluid medium in the closed circuit, a compressor (22) is a steam compressor, designed for compression of evaporated gaseous working fluid medium from the first heat exchanger (10) with the purpose of gaseous working fluid medium under higher pressure, and the second heat exchanger (20) has a side (26) of heat supply for supply and condensation of the gaseous working fluid medium under higher pressure from the compressor and a side (30) of heat release for heating of external working fluid medium.
EFFECT: reduced heat losses.
15 cl, 1 dwg
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