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[Chemical Knowledge]：Precautions for liquid nitrogen transportation

Read： 138 Time：9months ago Source：Transform the World with Simplicity

Liquid nitrogen is a commonly used cryogenic refrigerant, which is widely used in medicine, biological science, food processing and other fields. During the transportation of liquid nitrogen, some safety matters need to be paid attention to to ensure the safe transportation and use of liquid nitrogen. The following are precautions for liquid nitrogen transportation:

1. Maintain good ventilation: Liquid nitrogen is a volatile substance. It is necessary to maintain good ventilation during transportation and avoid storage in a closed environment. Ensure that the boiling point of liquid nitrogen is not reduced by the closed environment, causing danger.

2. Prevent overflow: Liquid nitrogen may overflow during transportation, so it is necessary to use a special sealed container for packaging to ensure that liquid nitrogen will not leak. At the same time, it is necessary to avoid severe vibration and collision during transportation to prevent the container from being damaged.

3. Avoid gasification: Liquid nitrogen is easily gasified during transportation and produces a large amount of gas. In order to avoid gasification, it is necessary to place the liquid nitrogen container in a cool and ventilated place, and regularly check the sealing performance of the liquid nitrogen container.

4. Safe operation: In the process of transporting liquid nitrogen, it is necessary to ensure that the operators have rich experience and professional training, abide by the operating procedures, and strictly abide by the safe operating procedures. When loading and unloading liquid nitrogen, it is necessary to wear protective equipment and ensure that there are no open flames and flammable materials around.

5. Emergency emergency measures: in the event of liquid nitrogen leakage or accident, it is necessary to take emergency measures immediately, move the liquid nitrogen container quickly away from the crowded area, and notify the relevant departments for treatment.

liquid nitrogen is a commonly used cryogenic refrigerant, which needs to strictly abide by the safety operation procedures during transportation to ensure the safe transportation and use of liquid nitrogen. I hope everyone can strengthen safety awareness when using liquid nitrogen, do a good job in related protection work, and avoid safety accidents.

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