| 摘要 |
<p>A water still comprises an evaporation chamber and a condensation chamber.- These chambers are separated by a common wall.- Warm untreated water is fed from above into the evaporation chamber adjacent the dividing wall.- A stream of air at atm. press. passes through the evaporation compartment and condensation chamber in trun, carrying water vapour with it.- The water condenses on the wall of the condensation chamber, transferring heat to the evaporation chamber</p> |
