1. Placement: Store in a cool, well-ventilated place without direct sunlight. Due to its precise manufacturing and its inherent characteristics, no matter in use or storage, liquid nitrogen tanks are not allowed to tilt, lay horizontally, upside down, pile up, hit each other or collide with other objects. upright.
2. Cleaning: When not in use, rinse with clean water, drain the water, dry it with a blower, and leave it at room temperature for use. After the liquid nitrogen in the liquid nitrogen tank is volatilized, the remaining material (such as frozen sperm) will quickly melt and become a liquid material and be attached to the inner liner, which will cause corrosion of the aluminum alloy inner liner. The nitrogen tank must be scrapped, so it is necessary to scrub the tank after the liquid nitrogen in the liquid nitrogen tank is depleted.
The specific brushing method is as follows: first remove the inner cylinder of the liquid nitrogen tank, remove the liquid nitrogen, and leave it for 2-3 days. After the temperature in the tank rises to about 0 ° C, pour warm water at about 30 ° C and scrub it with a cloth. If you find any melting substance sticking to the bottom of the liner, you must wash it carefully. Then rinse with water several times, and then invert the liquid nitrogen tank, put it in a safe place where it should not be overturned, and let it air dry, or use a blower as described above. Note that during the entire brushing process, the action should be light and slow. The temperature of pouring water should not exceed 40 ℃, and the total weight should not exceed 2kg.
3. Safe transportation: During transportation, it must be installed in a wooden frame with soft cushions and fixed. Fillers should be used to separate tanks from one another to prevent bumps and knocks. When loading and unloading the truck, it is necessary to prevent the liquid nitrogen tank from hitting, and not to drag on the ground at will, so as not to reduce the service life of the liquid nitrogen tank.
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