How long does the liquid nitrogen in the liquid nitrogen container evaporate
By：adminauthor：admin Date:2020-07-14 09:29 View：
Liquid nitrogen container is also called liquid nitrogen biological container, the main function is to store liquid nitrogen, low temperature liquid nitrogen can better store cells, vaccines, blood and other organisms, but the preservation of these organisms requires liquid nitrogen to maintain activity to meet the next time Normal use.
Before filling with liquid nitrogen, we need to check whether there are any abnormalities in the inner and outer gallbladders, whether the outer casing is depressed, and whether the vacuum exhaust port is intact. Once the damage occurs, the vacuum of the entire equipment will be seriously reduced, resulting in the inability to keep warm There will be frosting phenomenon, and the consumption of liquid nitrogen will be relatively large for a long time. The 10 liter liquid nitrogen tank we usually use, the 50mm caliber tank, the static storage time of liquid nitrogen is 100 days, 20 liter low temperature container, 50mm Caliber liquid nitrogen static storage time is 175 days, but if it is 80mm caliber, liquid nitrogen static storage time is 150 days, from which we can see the same caliber, the larger the volume, the longer the liquid nitrogen storage time. If it is the same volume and different calibers, the larger the caliber, the faster the liquid nitrogen volatilizes and the shorter the static liquid nitrogen storage time.
The technical personnel of manufacturers specializing in the production of liquid nitrogen containers warn everyone that when using liquid nitrogen containers, we need to constantly check whether there are abnormal phenomena in the tank body and whether there are foreign objects inside the tank body. Corrosion of gallbladder.
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