Refrigeration plant with multiple evaporation levels and method of managing such a plant
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United States of America
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Jan 25, 2022
Grant Date -
Jul 4, 2019
app pub date -
May 16, 2017
filing date -
May 16, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A refrigeration plant with multiple evaporation levels, operating according to a vapour compression cycle and including a circuit having a high-pressure branch HP, wherein is arranged at least one heat exchanger, and two or more low-pressure branches, each of which operates at a different evaporation level to serve users having different refrigeration requirements. In each of the low-pressure branches the plant comprises an expansion device, at least one evaporator and a compressor group. At least one evaporator of each low-pressure branch is connected directly to the high-pressure branch. At least a first low-pressure branch comprises a liquid separator fluidically connected: to the evaporator outlet to collect the liquid exiting the evaporator when operating in overfeeding conditions; and to the intake of the compressor group. Such liquid separator is fluidically connected to a second low-pressure branch upstream of the expansion device of such second low-pressure branch through a first connection duct.
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