Liquid nitrogen tanks can generally be divided into two types: storage tanks and transport tanks. They are commonly used for the long-term cryogenic storage and transport of frozen semen, vaccines, cells, etc. with liquid nitrogen as a refrigerant, and are widely used in industries such as animal husbandry bureaus, farms, universities, research institutes, medical, machinery, electronics, metallurgy, and energy.

Human factors affecting the safe use of biological liquid nitrogen container:

1. Improper storage and transportation:

Liquid nitrogen tanks are generally divided into two types: storage tanks and transport tanks. Storage tanks are mainly used for indoor static storage of liquid nitrogen and are not suitable for long-distance transportation while in operation.

2. Improper use:

If liquid nitrogen tanks used for a long time are not regularly maintained and inspected, safety hazards may arise, potentially leading to accidents. When operating a liquid nitrogen tank, if the vent valve is not opened or not opened sufficiently, the pressure inside the tank will increase after prolonged natural evaporation of the liquid nitrogen. Without safety protection devices, the continued pressure increase may cause existing defects in the bottom connection of the pressurization pipe to crack, creating a potential hazard.

3. Liquid nitrogen leakage:

If liquid nitrogen in the inner tank cannot be discharged normally for a long time, or if a large amount leaks into the inter-layer and vaporizes, it may also lead to a safety accident involving the liquid nitrogen container.

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