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淺析液氮罐的組成構件由哪些部分組合而成

日期:2022-07-31 06:50
瀏覽次數:252
摘要:
液氮罐顧名思義就是裝載液體氮氣的容器,液氮罐一般是由什么材質制成的呢?其構件又是哪幾種呢?下面就讓醫流商城相關人員為我們簡單的介紹一下“液氮罐”吧。 
從構造上來講,液氮罐多為鋁合金或不銹鋼制造,分內外兩層。具體的構件如下: 
(1) 、外殼:液氮罐外面一層為外殼,其上部為罐口。 
(2) 、內槽:液氮罐內層中的空間稱為內槽,一般為耐腐蝕性的鋁合金,內槽的底部有底座,供固定提筒用,可將液氮及樣品儲存于內槽中。 
(3) 、夾層:夾層指罐內外兩層間的空隙.呈真空狀態。抽成真空的目的是為了增進罐體的絕熱性能,同時在夾層中裝有絕熱材料和吸附劑。 
(4) 、頸管:頸管通常是玻璃鋼材料,將內外兩層連接,并保持有一定的長度,在頸管的周圍和底部夾層裝有吸附劑。頂部的頸口設計特殊,其結構既要有孔隙能排出液氮蒸發出來的氮氣,以保證安全,又要有絕熱性能,以盡量減少液氮的氣化量。 
(5) 、蓋塞:蓋塞由絕熱性能良好的塑料制成,以阻止液氮的蒸發,同時固定提筒的手柄。 
(6) 、提桶:提筒置于罐內槽中,其中可以儲放細管。提筒的手柄掛于頸口上,用蓋塞固定住。 

液氮罐為了使用的方便,還有以下幾種配件可供選擇: 
(1). 外套:中、小型液罐為了攜帶方便,帶有人造革背包,它增加了產品的防磕碰保護,同時也便于用戶人工背運。 
(2). 液氮罐手推車:該產品采用全不銹鋼制造,它的作用是轉運液氮罐,同時也可輔助人工傾倒容器中的液氮。利具有轉運和傾倒液氮容器安全可靠、節省操作者體能的優點。 
(3). 托盤運輸車:該產品適用于較大容積(幾何容積大于 30 升)的液氮生物容器的轉運。使用時將液氮容器提起并且放入托盤運輸車的凹座上,便可推動液氮生物容器在室內靈活地移動。具有轉運液氮容器方便省力、安全可靠的特點。 
(4). 自增壓式液氮泵:自增壓液氮罐還要用到自增壓式液氮泵。此裝置可以用于將自增壓液氮罐中的液氮補充到其他容器中的目的。具有操作方便可靠、排液過程中液氮的蒸發損失量低的特點。 
綜上所述液氮罐的的功能就是為了保存也起氮氣,減少其揮發性,因為要保存液體氮氣我們需要液氮罐有足夠的絕熱性和堅固性,這樣才能更好的保存罐內氣體,更好的滿足生產或科研需求。

下一篇: 液氮罐特點介紹
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