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當前位置:首頁(yè)  >  新聞中心  >  烘箱 干燥箱的適用行業(yè)

烘箱 干燥箱的適用行業(yè)

更新時(shí)間:2011-11-16      點(diǎn)擊次數:649

烘箱根據性能可分為可編程烘烤箱、精密烘箱充氮烘箱、真空烘箱、防爆烘箱、電熱鼓風(fēng)干燥箱,熱風(fēng)循環(huán)烘箱等。方泛適用于各行各業(yè)需要烘干加熱的元器件。
 真空烘箱  
  使用完畢了,先關(guān)閉烘箱的電加熱電源,打開(kāi)放氣閥,當壓強與外界一致后再打開(kāi)箱門(mén)取出樣品?!?br />  放出真空烘箱,關(guān)閉內門(mén)和外門(mén),確保關(guān)閉緊之后關(guān)閉放氣閥,開(kāi)啟真空閥,然后用真空泵抽氣(看你的真空度要求選擇用水泵還是油泵)。當壓強足夠低的時(shí)候,先關(guān)閉真空閥再關(guān)閉真空泵的電源,高溫電阻爐不然會(huì )引起倒吸。開(kāi)始抽氣之后就可以開(kāi)啟烘箱電加熱的電源了,設定好自己需要的溫度?!?br />   把你需要真空烘干的樣品放在培養皿里面,上面包覆紙,用橡筋捆住,然后戳一些小洞。
   需要注意的是真空烘箱工作一段時(shí)間后真空度可能降低,需要長(cháng)時(shí)間烘干的話(huà)建議1~2小時(shí)來(lái)檢查一次真空度,不夠的話(huà)再進(jìn)行抽氣操作?! ?br /> 
真空干燥箱技術(shù)干燥的優(yōu)勢比起常規干燥技術(shù)具備以下優(yōu)勢真空環(huán)境大大降低了需要驅除的液體的沸點(diǎn),所以真空干燥可以輕松應用于熱敏性物質(zhì);對于不容易干燥的樣品,例如粉末或其他顆粒狀樣品,使用真空干燥法可以有效縮短干燥時(shí)間

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