FIELD: machine building.
SUBSTANCE: in an evaporator-condenser of cascade refrigerating machines, comprising two coil heat exchangers connected to each other by heat conducting lamels, fixed on the common frame, the coils are submerged into an intermediate liquid coolant contained in the heat insulated body.
EFFECT: accumulation of cold in an intermediate coolant, which makes it possible to exclude synchronous start of compressors of both branches of a cascade and to reduce load at electric network and accordingly load at electric motors of compressors during their ramp-up time.
2 dwg
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