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Jiangsu Self-pressurized Liquid Nitrogen Cylinder Manufacturer, Jiangsu Self-pressurized Liquid Nitrogen Cylinder Manufacturer Phone, Jiangsu Self-pressurized Liquid Nitrogen Cylinder Price Quote. When the liquid nitrogen cylinder is not in use, it should be rinsed clean with water, drained, dried with a blower, and placed at room temperature for storage. After the liquid nitrogen inside the cylinder has evaporated, any remaining substances (such as frozen sperm) will quickly melt, turning into liquid and adhering to the inner wall, which can corrode the aluminum alloy lining. If cavities form, the cylinder must be discarded. Therefore, it is necessary to clean the cylinder after the liquid nitrogen is depleted. The specific cleaning method is as follows: first remove the lifting tube inside the cylinder, remove the liquid nitrogen, let it sit for 2-3 days until the temperature inside the cylinder reaches about 0℃, then pour in warm water around 30℃, and wipe with a cloth. If any melted substances stick to the bottom of the inner wall, they must be carefully cleaned. Then rinse with clean water several times, invert the cylinder, place it in a safe location indoors where it's not prone to tipping, and let it air dry, or use a blower as previously described. Note that during the cleaning process, the actions should be gentle and slow, the water temperature should not exceed 40℃, and the total weight should not exceed 2kg.

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