| 摘要 |
The vapor-compression heat pump installation performs cycle of two-step compression and comprises a compressor, pipelines with high and low pressure cold agent, condenser, evaporator, throttle and control devices. The installation is equipped with one compressor that includes a fitting for injection of cold agent of medium pressure, as such modern ecologically safe mixes are used, and this makes it possible to perform the cycle of quasi-two-step compression in one compressor. |
