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Vacuum insulation of liquid nitrogen storage tank

The structure of liquid nitrogen storage tanks usually includes an inner tank and an outer tank, with a vacuum layer formed between the two.

Cryogenic air-temperature vaporizer

Industrial Applications of Liquid Nitrogen Storage Tanks

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The structure of liquid nitrogen storage tanks usually includes an inner tank and an outer tank, with a vacuum layer formed between the two. Since there are almost no gas molecules in a vacuum, heat cannot be transferred through this layer by convection or conduction, which effectively reduces the transfer of heat.
Even if the thermal conductivity of the vacuum layer is already very low, it is still necessary to prevent the transfer of radiant heat. The surfaces of the inner and outer tanks are usually coated with reflective materials (such as aluminum foil) to reduce the transfer of radiant heat.

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