Vacuum glove box is broadly made use of in industries with significant specifications for gasoline purification. Whilst the recent glove box design and style is far more fair and uncomplicated to work. However, the structure inside the glove box is complicated, glovebox accessories there are lots of crucial sections, and the procedure is a bit poor, which may trigger loss to your experimental final results. This posting introduces you how to properly use the vacuum glove box, and the precautions when novices run the glove box.

One particular. Get the job done in advance of operation:

one. Verify if there is nitrogen in the nitrogen bottle. The nitrogen should be changed in time. The output pressure of nitrogen is set to .4mpa.

two. Examine no matter whether the vacuum pump is turned on usually.

three. Check whether the circulation in the glove box is open. (Purification column-I or purification column-II need to open up a single of them)

4. Verify the upper limit stress in the location need to be +one, the reduce limit force is

5. Verify irrespective of whether oxygen and dew level are regular (oxygen is beneath .1ppm, dew position is higher than -40)

6. The vacuum pump of the above-bin should really be in the typically open up condition

two. Procedure notes:

one. The vacuum pump should really be saved on all through method operation.

two. When the oxygen concentration in the tank exceeds 200PPM, the machines servicing staff really should be notified to function the procedure, in any other case the drinking water and oxygen purification technique will be ruined.

three. Right before beginning the cycle, test whether or not the cupboard is in affliction or regenerating. As the earlier mentioned pointed out functions are in progress, it is totally forbidden to cycle.

4 .Two purification columns simply cannot be regenerated at the identical time.

A. Prior to regeneration, guarantee that the glove box has been cleaned with inert gas (H2O <200ppm) to ensure sufficient supply of regeneration gas. The regeneration gas pressure is 0.06-0.08mpa.

B. Before starting regeneration, please make sure that the corresponding purification column circulation is closed.

C. The regeneration process takes 24 hours. Once the execution cannot be disconnected, the regeneration gas should be passed 3-6 hours after the regeneration starts. Pay attention to the amount of regeneration gas, adjust the pressure of the regeneration gas appropriately, and ensure the sufficient supply of regeneration gas in these 3 hours. After 6 hours the regeneration origin can be turned off.

D. The vacuum pump cannot be turned off during the regeneration process. Do not touch the top of the purification column to prevent burns.

E. Once the regeneration is terminated unexpectedly, please ensure that the regeneration and circulation of the purification column cannot be restarted within 12 hours or the equipment will be damaged.

5. Care should be taken to protect the work gloves from being damaged during the operation.
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