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新聞中心

真空冷凍干燥機的詳細使用方法

發布時間:2022-07-20瀏覽次數:38返回列表

真空冷凍干燥機的詳細使用方法如下:
  一:S型操作(標準型)
  1)將樣品放入料盤中,然后將料盤放入凍干架中,放置并固定樣品溫度傳感器,將凍干架放入冷阱中,蓋上保溫蓋進行預凍,預凍至樣品完全凍結并保存一段時間。
  2)從冷阱中取出預凍材料托盤和凍干架,將支撐托盤放在冷阱口上方,將凍干架放在支撐托盤上,用玻璃罩蓋住。
  3)擰緊充氣閥,點擊屏幕上的“真空表”按鈕,屏幕顯示真空度為110kpa,然后點擊“真空泵”按鈕啟動真空泵。真空度迅速下降,小于等于10Pa為正常。
  4)長時間干燥后,檢查樣品曲線,目測樣品是否完全干燥。然后打開真空充注閥,點擊“真空泵”按鈕,停止真空泵。點擊“真空計”按鈕關閉真空計。
  5)取下玻璃蓋,從凍干架上取出材料托盤,將樣品裝入托盤中,完成常規配置的干燥。點擊“冰箱”按鈕關閉壓縮機,停止設備運行。
  二:T型操作(壓蓋型)
  1)將樣品瓶放入加蓋的料盤中,然后將料盤放入凍干架中,放置并固定樣品溫度傳感器,將凍干架放入冷阱中,蓋上保溫蓋進行預凍,預凍至樣品完全凍結并保存一段時間。
  2)從冷阱中取出凍干架,將物料盤迅速轉移至壓蓋凍干架,將凍干架放置到冷阱上方,罩上玻璃罩。確保玻璃罩下端面與“O”型密封圈完全接觸。
  3)擰緊充氣閥門,點擊屏幕上“真空計”按鈕,屏幕顯示真空度為110KPa,然后點擊“真空泵”按鈕開啟真空泵。真空度迅速下降,至真空度≤10Pa為正常。
  4)經過長時間干燥后,檢查樣品曲線,目測樣品是否完全干燥。順時針轉動玻璃蓋上方的壓蓋手柄,使壓蓋框架上的螺釘轉動,壓蓋板下降。將瓶蓋壓入瓶中,實現真空封蓋。然后打開真空冷凍干燥機的真空充氣閥,點擊“真空泵”按鈕,真空泵停止運行。點擊“真空計”按鈕關閉真空計。
  取下玻璃罩,從凍干架上取出物料盤,盤中樣品包裝后,壓蓋配置干燥進行完畢。點擊“制冷機”按鈕,關閉壓縮機,設備停止運行。

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