| 摘要 |
<p>A freeze dryer, comprising a freeze-drying chamber (1) and a cold trap chamber (5); the freeze-drying chamber (1) is provided with a support plate (2) and multiple freeze-drying plate layers (3) located above the support plate (2); the support plate (2) is connected to a lift drive component (4) for lifting the support plate (2) and the freeze-drying plate layer (3); the freeze-drying chamber (1) is located above the cold trap chamber (5), and communicates with the cold trap chamber (5) via a through hole (9) arranged at the bottom of the freeze-drying chamber (1); and the cold trap chamber (5) or the freeze-drying chamber (1) is provided with a seal for covering the through hole (9) to separate the freeze-drying chamber (1) from the cold trap chamber (5). The freeze dryer has a simple structure, low cost, small footprint, and low pollution risk.</p> |
