Low-temperature cascade refrigeration system
The utility model relates to the technical field of refrigerating systems, and provides a low-temperature cascade refrigerating system which comprises a low-temperature-stage refrigerating system and a high-temperature-stage refrigerating system, and the low-temperature-stage refrigerating system co...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of refrigerating systems, and provides a low-temperature cascade refrigerating system which comprises a low-temperature-stage refrigerating system and a high-temperature-stage refrigerating system, and the low-temperature-stage refrigerating system comprises a first-stage refrigerating loop, a first evaporator, a first compressor, a first oil separator and a condensation evaporator; the first evaporator, the first compressor, the first oil separator and the condensing evaporator are sequentially arranged along the trend of the first-stage refrigerating circuit; the high-temperature-stage refrigerating system comprises a second-stage refrigerating loop, a second compressor, a second oil separator and a condenser, the second-stage refrigerating loop is connected with the condensation evaporator, and the second compressor, the second oil separator and the condenser are sequentially arranged in the moving direction of the second-stage refrigerating loop. The refrig |
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