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The importance of timely cleaning of cryogenic storage tanks

Update time:2020-10-26    Click:553

2020-2-6cryogenic.jpg

After using the cryogenic storage tank, it must be cleaned in time to extend its service life and not delay the next normal use.

 

When the liquid nitrogen low-temperature storage tank is not used, it should be rinsed with clean water, drained, dried with a fan, and then used at room temperature. After the liquid nitrogen in the liquid nitrogen cryogenic storage tank evaporates, the remaining missing substances (such as frozen sperm) will quickly melt and become liquid substances attached to the storage tank, which will cause corrosion to the aluminum alloy storage tank. If a cavity is formed, the liquid nitrogen storage tank will be scrapped, so after the liquid nitrogen in the liquid nitrogen storage tank is exhausted, the storage tank needs to be scrubbed.

 

The specific cleaning method is as follows:

 

First, take out the lifting cylinder in the liquid nitrogen cryogenic storage tank, remove the liquid nitrogen, and leave it for 2-3 days. When the temperature in the tank rises to about 0°C, pour in warm water of about 30°C and scrub with a cloth. If you find some molten material stuck to the bottom of the lining, you need to wash them carefully. Then rinse it with clean water several times, then turn the liquid nitrogen storage tank upside down, place it in a place that is not easy to tip over, and let it dry naturally, or it can be air-dried with a fan as described above.

 

Note that during the entire brushing process, the action should be slow, the watering temperature should not exceed 40, and the total weight should not exceed 2kg.


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