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Cold trap is a small-sized ultra lowtemperature cryogenic equipment,suitable for Parylene vacuum coated cold trap,biochemical petroleum experiment, low temperature liquid bath, gas trap, drugfreeze-drying and so on. There are two types of cold traps according to theirapplication method: pot type cold trap and bar type cold trap. The size of thecold trap, refrigeration mode can be customized according to the needs of theusers.

冷阱是一種小型超低溫設備，適用于對二甲苯真空包覆冷阱、生化石油實驗、低溫液浴、氣體捕集、藥物冷凍干燥等。根據其應用方法，冷阱有兩種類型：鍋式冷阱和棒狀冷阱。冷藏室的尺寸，制冷方式可以根據用戶的需要定制。

Utilize compressor refrigeration to makethe temperature in the pot chamber drop below -95℃, ( thistemperaturecan be adjusted according to the actual application). Under low temperaturecondition, when the gas passes through the pot chamber, partial highcondensation point compositions will be turned into liquid or even solid andstored in the pot chamber, the low condensation point compositions will continueto flow through the pipelines, so as to achieve the purpose of gas compositionseparation.

利用壓縮機制冷，使鍋室溫度降至-95℃以下(此溫度可根據實際應用情況調整)。在低溫條件下，當氣體通過罐室時，部分高凝點成分轉化為液體甚至固體，儲存在罐室中，低凝點成分繼續流過管道，達到氣體成分分離的目的。

In vacuum applications, a cold trap is adevice that condenses all vapors except the permanent gases into a liquid orsolid. The most common objective is to prevent vapors being evacuated from anexperiment from entering a vacuum pump where they would condense andcontaminate it. Particularly large cold traps are necessary when removing largeamounts of liquid as in freeze drying.

在真空應用中，冷阱是將除永久氣體以外的所有蒸汽凝結成液體或固體的裝置。最常見的目標是防止從實驗中抽出來的蒸氣進入真空泵，在那里他們會凝結并污染它。特別是大的冷阱是必要的，當清除大量的液體，如在冷凍干燥。

Pumps that use oil either as their workingfluid (diffusion pumps), or as their lubricant (mechanical rotary pumps), areoften the sources of contamination in vacuum systems. Placing a cold trap atthe mouth of such a pump greatly lowers the risk that oil vapors will backstream into the cavity.

使用油作為工作液(擴散泵)或潤滑劑(機械旋轉泵)的泵通常是真空系統中的污染源。在這樣的泵口放置一個冷阱，大大降低了油蒸氣回流進入空腔的風險。

Care should be taken when using a cold trapnot to condense liquid oxygen (a light blue liquid) into the cold trap. Liquidoxygen is potentially explosive, and this is especially true if the trap hasbeen used to trap solvent. Liquid oxygen can be condensed into a cold trap if apump has sucked air through the trap when the trap is very cold.

使用冷阱時應注意不要將液氧(淡藍色液體)濃縮到冷阱中。液氧可能是爆炸性的，尤其是如果這個捕集器被用來捕集溶劑的話。液氧可以凝結成一個冷阱，如果一個泵已經通過陷阱吸入空氣時，陷阱是非常冷的。

1. No dry ice or liquid nitrogen needed

1．不需要干冰或液氮

2. All steel housing for durability

2．耐久用全鋼外殼

3. Small footprint

3．占地小

4. Plug and play, no assembly required

4．即插即用，無需組裝

5. Accessories Available

5．提供配件