Skid-mounted refrigerating machine suitable for underground engineering construction
The invention relates to a skid-mounted refrigerating machine suitable for underground engineering construction. The skid-mounted refrigerating machine comprises a machine base. The evaporator, the compressor, the condenser and the expansion machine are installed in the machine base and form a first...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a skid-mounted refrigerating machine suitable for underground engineering construction. The skid-mounted refrigerating machine comprises a machine base. The evaporator, the compressor, the condenser and the expansion machine are installed in the machine base and form a first refrigerating loop; a fan; the distributor, the heat collector, the radiator and the working medium pump are communicated with the expansion machine and form a second refrigerating loop. On one hand, on the basis of independent operation of the two refrigerating circuits, under working medium flow distribution of the distributor, synchronous work is carried out for cooling, meanwhile, in the refrigerating cycle, the sufficient refrigerant pressure reduction process is converted into input energy of the draught fan, and the energy is fully utilized; and on the other hand, high-temperature wet energy in the construction process is fully utilized and heated into high-temperature and high-pressure working medium energ |
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