Liquid nitrogen tank need to be cleaned after use
        Liquid nitrogen tank idle when not in use, rinse with water, the water row net, with a blower dry, placed at room temperature stand-by. Liquid nitrogen tank liquid nitrogen after evaporation, the remaining missing substances (such as frozen sperm) quickly melt into a liquid material attached to the liner, the aluminum alloy will cause corrosion, if the formation of empty, liquid The nitrogen tank will be scrapped, so liquid nitrogen tank liquid nitrogen depleted after the jar is very necessary to brush.
        Specific brushing method is as follows: First, remove the liquid nitrogen tank barrel, liquid nitrogen removed, placed 2-3 days, to the tank temperature rose to 0 ℃ or so, and then down about 30 ℃ warm water, scrub with a cloth.
If you find that individual melting substances stick to the bottom of the liner, be sure to carefully wash clean. And then rinse with water several times, then inverted liquid nitrogen cans, on the indoor safety should not be overturned, naturally dry, or as previously described with a blower air-dried.
        Note that the entire scrub process, the action should be slow, pour the water temperature can not exceed 40 ℃, the total weight should not exceed 2kg is appropriate.