FIELD: heat exchange.
SUBSTANCE: invention relates to the refrigeration equipment. Low-temperature absorption cooling machine, in which the working substance is a lithium bromide solution in methyl alcohol, it comprises absorber, generator, evaporator, condenser, heat exchanger and solution pumping pump. Absorber and the evaporator are interconnected by a hydrodynamic amplifier, the mixing chamber of which is located above the evaporator tube bundle, and the diffuser is located in the absorber above the solution flow distributor. Nozzle of hydrodynamic amplifier is connected to pump connected to accumulator receiver of solution, which is connected to regenerative heat exchanger installed between absorber and generator.
EFFECT: technical result is providing stable and efficient operation at negative operating temperatures in evaporator, higher reliability and efficiency, prevention of solution crystallisation.
3 cl, 5 dwg
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