| 摘要 |
<p>A refrigeration system (2) comprises a condenser/gas cooler (4), an intermediate expansion device (6) and a refrigerant collecting container (8); a normal refrigeration branch (10) connecting the refrigerant collecting container (8) to the condenser/ gas cooler (4) said normal refrigeration branch (12) comprising a first expansion device (12), a first evaporator (14) and a compressor unit (16) of the normal refrigeration branch (10); a freezing branch (18) connecting the refrigerant collecting container (8) to the the condenser/ gas cooler (4), said freezing branch (18) comprising a second expansion device (20), a second evaporator (22), and a first compressor unit (24) and a second compressor unit (26) of said freezing branch (18), the first and second compressor units (24, 26) of the freezing branch (18) being connected in series. A flash gas line (28) is provided connecting the gas space of the refrigerant collecting container (8) to the line connecting the first compressor unit (24) to the second compressor unit (26) of said freezing branch (18). Refrigerant conduits for connecting said elements and for circulating a refrigerant therethrough are also provided.</p> |
