| 摘要 |
<p>The heatless desiccant dryer has first and second containers (12,14) for storing first and second hygroscopic mediums (16,18) respectively. A moisture gas terminal (30) is arranged for supplying moisture gas stream, and a drying gas terminal (50) is arranged for discharging dry gas stream. A first gas outlet (82) is coupled to an exhaust unit (84) and is arranged away from a second gas outlet (86). A shut-off device (88) is provided between first and second gas outlets such that expansion gas is discharged only from first gas outlet or first gas outlet during main relaxation phase.</p> |
