| 摘要 |
A distiller that employs a rotary heat exchanger uses a centrifugal compressor to impose a pressure difference between the distiller's evaporation and condensation chambers. The compressor's diffuser is provided on the rotary heat exchanger to rotate with it, and the force applied to the diffuser by the vapor that the diffuser slows helps drive the rotary heat exchanger's rotation. Additionally, the compressor is so closely coupled to the heat exchanger that the vapor speed at the condensation chamber's entrance is at least an eighth of the peak vapor speed in the compressor, and the entrance area can therefore be small enough to simplify the task of sealing it.
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