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Precautions for liquid nitrogen output from liquid nitrogen container

Edit: Henan Tianchi Instrument Equipment Co., Ltd    Date:2019-11-11
When liquid nitrogen is exported from the liquid nitrogen container, what is the reason for water and frost on the outer surface of the container?
Answer: water and frost on the outer surface of the container are normal phenomena, because when the booster valve of the liquid nitrogen container is opened for boosting work, since the booster coil is bonded with the inner wall of the outer cylinder of the liquid nitrogen tank, the heat of the outer cylinder will be absorbed by the coil of the liquid nitrogen tank when passing through the liquid nitrogen to achieve the purpose of boosting pressure, and there may be spot like frost on the outer cylinder of the container. After closing the pressurization valve of the liquid nitrogen tank, the frost point will slowly disperse.
Precautions for liquid nitrogen output from liquid nitrogen container
If the pressurization valve of the liquid nitrogen tank is closed and the infusion is not carried out, there is water and frost on the external surface of the liquid nitrogen tank, which means that the vacuum of the liquid nitrogen tank has been destroyed and the liquid nitrogen tank can not be used any more. The liquid nitrogen tank shall be repaired or scrapped by a professional manufacturer.