It is also used for aluminium-extrusion inerting, Repairs can be made to a pipe containing a liquid by using liquid nitrogen to freeze a plug of liquid on each side of the section of pipe to be opened, Applications include inerting reactors and storage tanks, purging vessels and pipelines of flammable or toxic gases and vapours, and the sparging and pressure transfer of liquids, Liquid nitrogen is used to shrink components so they are small enough to be inserted into another component, Liquid Nitrogen can be used to store medical or research samples such as blood, plasma and semen – safely, Official BOC UK Online | Industrial Gases | Products & Solutions. Where do you get the LN2 to fill it with? Click here for more information about Medical Liquid Nitrogen, We offer e-learning courses on using liquid nitrogen safely. The inert property of gaseous nitrogen enables it to be used for applications where a substance needs to be protected from oxidation or combustion by atmospheric air, or from contamination by moisture. In this process perfectly flat glass with a very high quality is achieved by floating liquid glass on a bath of molten tin, Pure nitrogen is used to protect some of the most reactive metals during heat treatment. As such, it is used in several practical uses. Most people use a local distributor for one of the large bull semen companies, like ABS or SelectSires, who runs a route and comes by your place and refills your tank on a regular basis.You can contact either company to find their local distributor. A vacuum is applied to the freezing chamber along with a controlled amount of heat sufficient to drive off moisture by sublimation, Nitrogen and hydrogen are used in the float glass process for manufacturing flat glass. These metals readily form a protective oxide surface layer from the small amount of oxygen in the nitrogen and need no further protection, Nitrogen is used as an assist gas for laser cutting of stainless steel, aluminium and non-metallic materials, Nitrogen is used in iron and steelworks applications for degassing and metal-stirring, purging, cooling, slag splashing, gas knives and as a carrier gas for injecting de-sulphurising compounds. Nitrogen is often used for the storage of semen samples for artificial insemination of cattle. Used in modified atmosphere packaging, liquid nitrogen can increase the shelf-life without the need for vacuum-packing, artificial preservatives or freezing, In the freeze-drying process, materials dissolved in water or organic solvents are frozen into particles or droplets. How to Charge a Liquid Nitrogen Shipper Tank. This material can be deadly if precautions are not taken. Where do you get the LN2 to fill it with? You can contact either company to find their local distributor. Refrigeration & Air Conditioning Processes, Sulphur Recovery Burner Technology (SUREburner), If you have a question or want to buy, click here to email us. By subscribing, you agree to our Terms of Use and Privacy Policy. For example, most people have … How Cold is Liquid Nitrogen? 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Most people use a local distributor for one of the large bull semen companies, like ABS or SelectSires, who runs a route and comes by your place and refills your tank on a regular basis. It is stored as a cryogenic liquid in a vacuum-insulated vessel which can provide several days' supply and be used on demand as either a liquid or gas. Used in brewing, soft drinks and wine-making industries to exclude air from the product and de-aerate water. UK. In the United States, Air Products or Praxair are manufacturers and distributors. Because nitrogen gas occupies 700 times as much volume as the liquid… Since I have dealt with Liquid nitrogen on many occasions, I feel that a warning is necessary! Where to Buy Liquid Nitrogen. Liquid nitrogen is produced in large quantities at air separation plants which liquefy and distil air into its constituent parts: nitrogen, oxygen and argon. Nitrogen is the most prevalent chemical element in the Earth’s atmosphere and is integral to both plant growth and reproduction. In its liquid form nitrogen is used as a cryogen for many applications where very low temperatures or rapid temperature reduction is required. Liquid nitrogen is transported in pressurized tanks called Dewars. At room temperature, nitrogen it is just an average looking clear gas. That said, it appears differently depending on its state. Liquid nitrogen is a form of liquefied atmospheric gas that is used in cryogenics, the freezing of foods for transport, and by auto racers to burn more fuel and air in their cars' internal combustion engines. OK, so you now have a liquid nitrogen tank. Check out the video above to learn a little more about the process of purchasing liquid nitrogen. OK, so you now have a liquid nitrogen tank. Nitrogen is used to maintain a dry inert atmosphere over chemicals during storage, reaction or processing. It is delivered to our customers by cryogenic tankers, into onsite storage, for use in high-volume customer applications. Depending on the technique you use you will need about 2 liters to spin one liter of mix (it will require proportionately less as you have more mix to spin and of course it also depends on the temperature of your mix as well. The liquid nitrogen around here costs about 3.75 per liter, which makes it about 4 times as much as gasoline. As it turns out, you don't have to have any special licenses or anything to purchase the super cold liquid, but you will need a well-insulated container.