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Refrigerating units are widely used in various sectors for artificial cold generation. While maintaining low temperatures, refrigerating machines produce a large amount of heat at cooling and condensation of a refrigerant on the high pressure side. The heat produced is not used in any way and is emitted into the environment. The article offers a circuit of a refrigerating machine that makes it possible to utilize the condensation heat and to transfer it to various consumers of heat energy at the facilities, thereby reducing the heat emission into the atmosphere and increasing technological capabilities of cooling. The methods for selection of heat exchange apparatuses, included in the circuit, which make it possible to utilize the condensation heat, are described. This methodology can be used when designing refrigeration circuits for new facilities as well as for modernization of circuits of already operating refrigeration factories.
Korotkiy et al. (Mon,) studied this question.